.NET 10 Preview 6 - #9830

Merged
victorisr merged 38 commits into
mainfrom
dotnet10-p6
Jul 15, 2025
Merged

.NET 10 Preview 6#9830
victorisr merged 38 commits into
mainfrom
dotnet10-p6

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@jamesmontemagno
jamesmontemagno marked this pull request as draft April 7, 2025 17:42
jamesmontemagnoand others added 15 commits June 10, 2025 12:55
* Update fsharp preview6 release notes with manual changes.
* udpate for release
* Add period to last sentence in csharp preview6 release notes.
* update C#
* Add period to last sentence in efcore preview6 release notes.
* EF 10.0-preview.6 release notes
* Added small improvements
---------
Co-authored-by: Shay Rojansky <roji@roji.org>
* Add period to last sentence in aspnetcore preview6 release notes.
* Add period to last sentence in containers preview6 release notes.
* Add period to last sentence in csharp preview6 release notes.
* Add period to last sentence in dotnetmaui preview6 release notes.
* Add period to last sentence in efcore preview6 release notes.
* Add period to last sentence in libraries preview6 release notes.
* Add period to last sentence in runtime preview6 release notes.
* Add period to last sentence in sdk preview6 release notes.
* Add period to last sentence in visualbasic preview6 release notes.
* Add period to last sentence in winforms preview6 release notes.
* Add period to last sentence in wpf preview6 release notes.
* Revert all changes except wpf.md in dotnet10-p6-wpf branch.
* Add WPF info
* update feature list
---------
Co-authored-by: Andy (Steve) De George <67293991+adegeo@users.noreply.github.com>
* Add period to last sentence in winforms preview6 release notes.
* Update WinForms for Preview 6
* Apply suggestions from code review
Co-authored-by: Klaus Löffelmann <9663150+KlausLoeffelmann@users.noreply.github.com>
---------
Co-authored-by: Merrie McGaw <mmcgaw@microsoft.com>
Co-authored-by: Klaus Löffelmann <9663150+KlausLoeffelmann@users.noreply.github.com>
* Add period to last sentence in sdk preview6 release notes.
* CLI notes around tools and such
* Add release notes for preview.6 run-file changes
---------
Co-authored-by: Chet Husk <baronfel@users.noreply.github.com>
Co-authored-by: Damian Edwards <damian@damianedwards.com>
* Add period to last sentence in containers preview6 release notes.
* update to none udpates.
* Add period to last sentence in runtime preview6 release notes.
* Add JIT notes
---------
Co-authored-by: Aman Khalid (from Dev Box) <amankhalid@microsoft.com>
* Add period to last sentence in dotnetmaui preview6 release notes.
* Update dotnetmaui.md
* adding more details for android
* minor updates to iOS note
* Update release-notes/10.0/preview/preview6/dotnetmaui.md
Co-authored-by: Jonathan Peppers <jonathan.peppers@microsoft.com>
* Update release-notes/10.0/preview/preview6/dotnetmaui.md
Co-authored-by: Jonathan Peppers <jonathan.peppers@microsoft.com>
* Update release-notes/10.0/preview/preview6/dotnetmaui.md
Co-authored-by: Jonathan Peppers <jonathan.peppers@microsoft.com>
* added contributors from android and iOS repos
---------
Co-authored-by: David Ortinau <david.ortinau@microsoft.com>
Co-authored-by: Jonathan Peppers <jonathan.peppers@microsoft.com>
* Add period to last sentence in libraries preview6 release notes.
* Update libraries.md
* Update libraries.md
Co-authored-by: Weihan Li <weihanli@outlook.com>
* Update libraries.md
fix link
---------
Co-authored-by: Pranav Senthilnathan <pranas@microsoft.com>
Co-authored-by: Weihan Li <weihanli@outlook.com>
@jamesmontemagno
jamesmontemagno marked this pull request as ready for review July 9, 2025 21:20
… in Windows Forms, improve JSON property handling in libraries, and refine CLI tool execution options in SDK.
… in Windows Forms, improve formatting in EF Core and SDK documentation, and clean up whitespace in various markdown files.
@jongalloway
jongalloway requested a review from CopilotJuly 14, 2025 23:44

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Pull Request Overview

This PR updates .NET 10 from Preview 5 to Preview 6, revises version metadata across release tables and JSON indexes, consolidates JSON formatting, and adds the full suite of Preview 6 release notes.

  • Bumped preview version from 10.0.0-preview.5 to 10.0.0-preview.6 in markdown and JSON files
  • Reformatted arrays to single-line style in supported-os.json and other JSON docs
  • Added new Preview 6 release note files for WPF, WinForms, Visual Basic, SDK, runtime, libraries, EF Core, MAUI, and more

Reviewed Changes

Copilot reviewed 27 out of 27 changed files in this pull request and generated 2 comments.

Show a summary per file
FileDescription
releases.mdUpdated Preview table entry to preview.6
release-notes/releases-index.jsonBumped latest-release to preview.6 and date
release-notes/README.mdUpdated Preview table entry to preview.6
release-notes/10.0/supported-os.jsonCollapsed arrays to single-line values
release-notes/10.0/preview/preview6/*.mdAdded all Preview 6 release note markdown files
release-notes/10.0/preview/preview6/release.jsonAdded Preview 6 metadata and file listings
release-notes/10.0/preview/preview6/README.mdCreated Preview 6 summary with placeholder date
Comments suppressed due to low confidence (2)

release-notes/10.0/preview/preview6/winforms.md:19

  • There is an extraneous backtick after "ColumnHeaders"; update the formatting to something like ListView ColumnHeaders.
- `ListView` ColumnHeaders` are rendering correctly in dark mode now.

release-notes/10.0/preview/preview6/README.md:3

  • The placeholder date "April X, 2025" should be updated to the actual release date (e.g., "July 15, 2025").
.NET 10 Preview 6 released on April X, 2025. Find more information on new features released in .NET 10 Preview 6 by browsing through the release notes below:

Comment on lines +22 to +29
.HasQueryFilter("SoftDeletionFlter", b => !b.IsDeleted)
.HasQueryFilter("TenantFilter", b => b.TenantId == tenantId);
```

This notably allows disabling only certain filters in a specific LINQ query:

```c#
var allBlogs = await context.Blogs.IgnoreQueryFilters(["SoftDeletionFlter"]).ToListAsync();

CopilotAIJul 14, 2025

Copy link

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The filter name "SoftDeletionFlter" is misspelled; consider renaming to "SoftDeletionFilter".

Suggested change
.HasQueryFilter("SoftDeletionFlter", b => !b.IsDeleted)
.HasQueryFilter("TenantFilter", b => b.TenantId == tenantId);
```
This notably allows disabling only certain filters in a specific LINQ query:
```c#
var allBlogs = await context.Blogs.IgnoreQueryFilters(["SoftDeletionFlter"]).ToListAsync();
.HasQueryFilter("SoftDeletionFilter", b => !b.IsDeleted)
.HasQueryFilter("TenantFilter", b => b.TenantId == tenantId);

This notably allows disabling only certain filters in a specific LINQ query:

varallBlogs=awaitcontext.Blogs.IgnoreQueryFilters(["SoftDeletionFilter"]).ToListAsync();

Copilot uses AI. Check for mistakes.
This release brings several improvements to dark mode support in Windows Forms.

- `ListView` ColumnHeaders` are rendering correctly in dark mode now.
- All `ToolStrip` based controls (`MenuStrip`, `StatusStrip`) have their dedicated System Darkmode renderes, and do not rely any longer on additional Professional renderers, which make them compatible to certain A11Y requirements.

CopilotAIJul 14, 2025

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The word "renderes" should be corrected to "renderers".

Suggested change
- All `ToolStrip` based controls (`MenuStrip`, `StatusStrip`) have their dedicated System Darkmode renderes, and do not rely any longer on additional Professional renderers, which make them compatible to certain A11Y requirements.
- All `ToolStrip` based controls (`MenuStrip`, `StatusStrip`) have their dedicated System Darkmode renderers, and do not rely any longer on additional Professional renderers, which make them compatible to certain A11Y requirements.

Copilot uses AI. Check for mistakes.

Outputs:

```json

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Makes the comment render nicer.

Suggested change
```json
```jsonc

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@victorisr
victorisr merged commit 2981881 into mainJul 15, 2025
@victorisr
victorisr deleted the dotnet10-p6 branch July 15, 2025 17:08
martincostello added a commit to martincostello/core that referenced this pull request Jul 15, 2025

This transformation is called loop inversion. By moving the condition to the bottom of the loop, the JIT removes the need to branch to the top of the loop to test the condition, improving code layout. Numerous optimizations (like loop cloning, loop unrolling, and induction variable optimizations) also depend on loop inversion to produce this shape to aid analysis.

.NET 9 enhanced code quality for loops by switching over numerous optimizations to use a graph-based loop recognition implementation, bringing improved precision over the lexical analysis it replaced. Preview 6 switches over loop inversion, the only loop optimization still using the lexical implementation, to the graph-based implementation. Thanks to [dotnet/runtime #116017](https://github.com/dotnet/runtime/pull/116017), loop inversion now considers all natural loops -- loops with a single entry point -- and ignores the false positives previously considered by the lexical implementation. This translates into higher optimization potential for .NET programs with `for` and `while` statements.

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Did you mean .NET 10?

martincostello added a commit to martincostello/core that referenced this pull request Jul 30, 2025
jongalloway added a commit that referenced this pull request Aug 8, 2025
#9830 (comment)
Co-authored-by: Jon Galloway <jongalloway@gmail.com>
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@jamesmontemagno@martincostello@hez2010@victorisr@jongalloway
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all
 blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '
Skip to content

.NET 10 Preview 6 - #9830

Merged
victorisr merged 38 commits into
mainfrom
dotnet10-p6
Jul 15, 2025
Merged

.NET 10 Preview 6#9830
victorisr merged 38 commits into
mainfrom
dotnet10-p6

Conversation

@jamesmontemagno

Copy link
Copy Markdown
Member

No description provided.

@jamesmontemagno
jamesmontemagno marked this pull request as draft April 7, 2025 17:42
jamesmontemagnoand others added 15 commits June 10, 2025 12:55
* Update fsharp preview6 release notes with manual changes.
* udpate for release
* Add period to last sentence in csharp preview6 release notes.
* update C#
* Add period to last sentence in efcore preview6 release notes.
* EF 10.0-preview.6 release notes
* Added small improvements
---------
Co-authored-by: Shay Rojansky <roji@roji.org>
* Add period to last sentence in aspnetcore preview6 release notes.
* Add period to last sentence in containers preview6 release notes.
* Add period to last sentence in csharp preview6 release notes.
* Add period to last sentence in dotnetmaui preview6 release notes.
* Add period to last sentence in efcore preview6 release notes.
* Add period to last sentence in libraries preview6 release notes.
* Add period to last sentence in runtime preview6 release notes.
* Add period to last sentence in sdk preview6 release notes.
* Add period to last sentence in visualbasic preview6 release notes.
* Add period to last sentence in winforms preview6 release notes.
* Add period to last sentence in wpf preview6 release notes.
* Revert all changes except wpf.md in dotnet10-p6-wpf branch.
* Add WPF info
* update feature list
---------
Co-authored-by: Andy (Steve) De George <67293991+adegeo@users.noreply.github.com>
* Add period to last sentence in winforms preview6 release notes.
* Update WinForms for Preview 6
* Apply suggestions from code review
Co-authored-by: Klaus Löffelmann <9663150+KlausLoeffelmann@users.noreply.github.com>
---------
Co-authored-by: Merrie McGaw <mmcgaw@microsoft.com>
Co-authored-by: Klaus Löffelmann <9663150+KlausLoeffelmann@users.noreply.github.com>
* Add period to last sentence in sdk preview6 release notes.
* CLI notes around tools and such
* Add release notes for preview.6 run-file changes
---------
Co-authored-by: Chet Husk <baronfel@users.noreply.github.com>
Co-authored-by: Damian Edwards <damian@damianedwards.com>
* Add period to last sentence in containers preview6 release notes.
* update to none udpates.
* Add period to last sentence in runtime preview6 release notes.
* Add JIT notes
---------
Co-authored-by: Aman Khalid (from Dev Box) <amankhalid@microsoft.com>
* Add period to last sentence in dotnetmaui preview6 release notes.
* Update dotnetmaui.md
* adding more details for android
* minor updates to iOS note
* Update release-notes/10.0/preview/preview6/dotnetmaui.md
Co-authored-by: Jonathan Peppers <jonathan.peppers@microsoft.com>
* Update release-notes/10.0/preview/preview6/dotnetmaui.md
Co-authored-by: Jonathan Peppers <jonathan.peppers@microsoft.com>
* Update release-notes/10.0/preview/preview6/dotnetmaui.md
Co-authored-by: Jonathan Peppers <jonathan.peppers@microsoft.com>
* added contributors from android and iOS repos
---------
Co-authored-by: David Ortinau <david.ortinau@microsoft.com>
Co-authored-by: Jonathan Peppers <jonathan.peppers@microsoft.com>
* Add period to last sentence in libraries preview6 release notes.
* Update libraries.md
* Update libraries.md
Co-authored-by: Weihan Li <weihanli@outlook.com>
* Update libraries.md
fix link
---------
Co-authored-by: Pranav Senthilnathan <pranas@microsoft.com>
Co-authored-by: Weihan Li <weihanli@outlook.com>
@jamesmontemagno
jamesmontemagno marked this pull request as ready for review July 9, 2025 21:20
… in Windows Forms, improve JSON property handling in libraries, and refine CLI tool execution options in SDK.
… in Windows Forms, improve formatting in EF Core and SDK documentation, and clean up whitespace in various markdown files.
@jongalloway
jongalloway requested a review from CopilotJuly 14, 2025 23:44

CopilotAI left a comment

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Pull Request Overview

This PR updates .NET 10 from Preview 5 to Preview 6, revises version metadata across release tables and JSON indexes, consolidates JSON formatting, and adds the full suite of Preview 6 release notes.

  • Bumped preview version from 10.0.0-preview.5 to 10.0.0-preview.6 in markdown and JSON files
  • Reformatted arrays to single-line style in supported-os.json and other JSON docs
  • Added new Preview 6 release note files for WPF, WinForms, Visual Basic, SDK, runtime, libraries, EF Core, MAUI, and more

Reviewed Changes

Copilot reviewed 27 out of 27 changed files in this pull request and generated 2 comments.

Show a summary per file
FileDescription
releases.mdUpdated Preview table entry to preview.6
release-notes/releases-index.jsonBumped latest-release to preview.6 and date
release-notes/README.mdUpdated Preview table entry to preview.6
release-notes/10.0/supported-os.jsonCollapsed arrays to single-line values
release-notes/10.0/preview/preview6/*.mdAdded all Preview 6 release note markdown files
release-notes/10.0/preview/preview6/release.jsonAdded Preview 6 metadata and file listings
release-notes/10.0/preview/preview6/README.mdCreated Preview 6 summary with placeholder date
Comments suppressed due to low confidence (2)

release-notes/10.0/preview/preview6/winforms.md:19

  • There is an extraneous backtick after "ColumnHeaders"; update the formatting to something like ListView ColumnHeaders.
- `ListView` ColumnHeaders` are rendering correctly in dark mode now.

release-notes/10.0/preview/preview6/README.md:3

  • The placeholder date "April X, 2025" should be updated to the actual release date (e.g., "July 15, 2025").
.NET 10 Preview 6 released on April X, 2025. Find more information on new features released in .NET 10 Preview 6 by browsing through the release notes below:

Comment on lines +22 to +29
.HasQueryFilter("SoftDeletionFlter", b => !b.IsDeleted)
.HasQueryFilter("TenantFilter", b => b.TenantId == tenantId);
```

This notably allows disabling only certain filters in a specific LINQ query:

```c#
var allBlogs = await context.Blogs.IgnoreQueryFilters(["SoftDeletionFlter"]).ToListAsync();

CopilotAIJul 14, 2025

Copy link

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

The filter name "SoftDeletionFlter" is misspelled; consider renaming to "SoftDeletionFilter".

Suggested change
.HasQueryFilter("SoftDeletionFlter", b => !b.IsDeleted)
.HasQueryFilter("TenantFilter", b => b.TenantId == tenantId);
```
This notably allows disabling only certain filters in a specific LINQ query:
```c#
var allBlogs = await context.Blogs.IgnoreQueryFilters(["SoftDeletionFlter"]).ToListAsync();
.HasQueryFilter("SoftDeletionFilter", b => !b.IsDeleted)
.HasQueryFilter("TenantFilter", b => b.TenantId == tenantId);

This notably allows disabling only certain filters in a specific LINQ query:

varallBlogs=awaitcontext.Blogs.IgnoreQueryFilters(["SoftDeletionFilter"]).ToListAsync();

Copilot uses AI. Check for mistakes.
This release brings several improvements to dark mode support in Windows Forms.

- `ListView` ColumnHeaders` are rendering correctly in dark mode now.
- All `ToolStrip` based controls (`MenuStrip`, `StatusStrip`) have their dedicated System Darkmode renderes, and do not rely any longer on additional Professional renderers, which make them compatible to certain A11Y requirements.

CopilotAIJul 14, 2025

Copy link

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

The word "renderes" should be corrected to "renderers".

Suggested change
- All `ToolStrip` based controls (`MenuStrip`, `StatusStrip`) have their dedicated System Darkmode renderes, and do not rely any longer on additional Professional renderers, which make them compatible to certain A11Y requirements.
- All `ToolStrip` based controls (`MenuStrip`, `StatusStrip`) have their dedicated System Darkmode renderers, and do not rely any longer on additional Professional renderers, which make them compatible to certain A11Y requirements.

Copilot uses AI. Check for mistakes.

Outputs:

```json

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Copy Markdown
Member

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Makes the comment render nicer.

Suggested change
```json
```jsonc

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@victorisr
victorisr merged commit 2981881 into mainJul 15, 2025
@victorisr
victorisr deleted the dotnet10-p6 branch July 15, 2025 17:08
martincostello added a commit to martincostello/core that referenced this pull request Jul 15, 2025

This transformation is called loop inversion. By moving the condition to the bottom of the loop, the JIT removes the need to branch to the top of the loop to test the condition, improving code layout. Numerous optimizations (like loop cloning, loop unrolling, and induction variable optimizations) also depend on loop inversion to produce this shape to aid analysis.

.NET 9 enhanced code quality for loops by switching over numerous optimizations to use a graph-based loop recognition implementation, bringing improved precision over the lexical analysis it replaced. Preview 6 switches over loop inversion, the only loop optimization still using the lexical implementation, to the graph-based implementation. Thanks to [dotnet/runtime #116017](https://github.com/dotnet/runtime/pull/116017), loop inversion now considers all natural loops -- loops with a single entry point -- and ignores the false positives previously considered by the lexical implementation. This translates into higher optimization potential for .NET programs with `for` and `while` statements.

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Did you mean .NET 10?

martincostello added a commit to martincostello/core that referenced this pull request Jul 30, 2025
jongalloway added a commit that referenced this pull request Aug 8, 2025
#9830 (comment)
Co-authored-by: Jon Galloway <jongalloway@gmail.com>
Sign up for freeto join this conversation on GitHub. Already have an account? Sign in to comment

Labels

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Development

Successfully merging this pull request may close these issues.

7 participants

@jamesmontemagno@martincostello@hez2010@victorisr@jongalloway
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix"); } } catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
Skip to content

.NET 10 Preview 6 - #9830

Merged
victorisr merged 38 commits into
mainfrom
dotnet10-p6
Jul 15, 2025
Merged

.NET 10 Preview 6#9830
victorisr merged 38 commits into
mainfrom
dotnet10-p6

Conversation

@jamesmontemagno

Copy link
Copy Markdown
Member

No description provided.

@jamesmontemagno
jamesmontemagno marked this pull request as draft April 7, 2025 17:42
jamesmontemagnoand others added 15 commits June 10, 2025 12:55
* Update fsharp preview6 release notes with manual changes.
* udpate for release
* Add period to last sentence in csharp preview6 release notes.
* update C#
* Add period to last sentence in efcore preview6 release notes.
* EF 10.0-preview.6 release notes
* Added small improvements
---------
Co-authored-by: Shay Rojansky <roji@roji.org>
* Add period to last sentence in aspnetcore preview6 release notes.
* Add period to last sentence in containers preview6 release notes.
* Add period to last sentence in csharp preview6 release notes.
* Add period to last sentence in dotnetmaui preview6 release notes.
* Add period to last sentence in efcore preview6 release notes.
* Add period to last sentence in libraries preview6 release notes.
* Add period to last sentence in runtime preview6 release notes.
* Add period to last sentence in sdk preview6 release notes.
* Add period to last sentence in visualbasic preview6 release notes.
* Add period to last sentence in winforms preview6 release notes.
* Add period to last sentence in wpf preview6 release notes.
* Revert all changes except wpf.md in dotnet10-p6-wpf branch.
* Add WPF info
* update feature list
---------
Co-authored-by: Andy (Steve) De George <67293991+adegeo@users.noreply.github.com>
* Add period to last sentence in winforms preview6 release notes.
* Update WinForms for Preview 6
* Apply suggestions from code review
Co-authored-by: Klaus Löffelmann <9663150+KlausLoeffelmann@users.noreply.github.com>
---------
Co-authored-by: Merrie McGaw <mmcgaw@microsoft.com>
Co-authored-by: Klaus Löffelmann <9663150+KlausLoeffelmann@users.noreply.github.com>
* Add period to last sentence in sdk preview6 release notes.
* CLI notes around tools and such
* Add release notes for preview.6 run-file changes
---------
Co-authored-by: Chet Husk <baronfel@users.noreply.github.com>
Co-authored-by: Damian Edwards <damian@damianedwards.com>
* Add period to last sentence in containers preview6 release notes.
* update to none udpates.
* Add period to last sentence in runtime preview6 release notes.
* Add JIT notes
---------
Co-authored-by: Aman Khalid (from Dev Box) <amankhalid@microsoft.com>
* Add period to last sentence in dotnetmaui preview6 release notes.
* Update dotnetmaui.md
* adding more details for android
* minor updates to iOS note
* Update release-notes/10.0/preview/preview6/dotnetmaui.md
Co-authored-by: Jonathan Peppers <jonathan.peppers@microsoft.com>
* Update release-notes/10.0/preview/preview6/dotnetmaui.md
Co-authored-by: Jonathan Peppers <jonathan.peppers@microsoft.com>
* Update release-notes/10.0/preview/preview6/dotnetmaui.md
Co-authored-by: Jonathan Peppers <jonathan.peppers@microsoft.com>
* added contributors from android and iOS repos
---------
Co-authored-by: David Ortinau <david.ortinau@microsoft.com>
Co-authored-by: Jonathan Peppers <jonathan.peppers@microsoft.com>
* Add period to last sentence in libraries preview6 release notes.
* Update libraries.md
* Update libraries.md
Co-authored-by: Weihan Li <weihanli@outlook.com>
* Update libraries.md
fix link
---------
Co-authored-by: Pranav Senthilnathan <pranas@microsoft.com>
Co-authored-by: Weihan Li <weihanli@outlook.com>
@jamesmontemagno
jamesmontemagno marked this pull request as ready for review July 9, 2025 21:20
… in Windows Forms, improve JSON property handling in libraries, and refine CLI tool execution options in SDK.
… in Windows Forms, improve formatting in EF Core and SDK documentation, and clean up whitespace in various markdown files.
@jongalloway
jongalloway requested a review from CopilotJuly 14, 2025 23:44

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Pull Request Overview

This PR updates .NET 10 from Preview 5 to Preview 6, revises version metadata across release tables and JSON indexes, consolidates JSON formatting, and adds the full suite of Preview 6 release notes.

  • Bumped preview version from 10.0.0-preview.5 to 10.0.0-preview.6 in markdown and JSON files
  • Reformatted arrays to single-line style in supported-os.json and other JSON docs
  • Added new Preview 6 release note files for WPF, WinForms, Visual Basic, SDK, runtime, libraries, EF Core, MAUI, and more

Reviewed Changes

Copilot reviewed 27 out of 27 changed files in this pull request and generated 2 comments.

Show a summary per file
FileDescription
releases.mdUpdated Preview table entry to preview.6
release-notes/releases-index.jsonBumped latest-release to preview.6 and date
release-notes/README.mdUpdated Preview table entry to preview.6
release-notes/10.0/supported-os.jsonCollapsed arrays to single-line values
release-notes/10.0/preview/preview6/*.mdAdded all Preview 6 release note markdown files
release-notes/10.0/preview/preview6/release.jsonAdded Preview 6 metadata and file listings
release-notes/10.0/preview/preview6/README.mdCreated Preview 6 summary with placeholder date
Comments suppressed due to low confidence (2)

release-notes/10.0/preview/preview6/winforms.md:19

  • There is an extraneous backtick after "ColumnHeaders"; update the formatting to something like ListView ColumnHeaders.
- `ListView` ColumnHeaders` are rendering correctly in dark mode now.

release-notes/10.0/preview/preview6/README.md:3

  • The placeholder date "April X, 2025" should be updated to the actual release date (e.g., "July 15, 2025").
.NET 10 Preview 6 released on April X, 2025. Find more information on new features released in .NET 10 Preview 6 by browsing through the release notes below:

Comment on lines +22 to +29
.HasQueryFilter("SoftDeletionFlter", b => !b.IsDeleted)
.HasQueryFilter("TenantFilter", b => b.TenantId == tenantId);
```

This notably allows disabling only certain filters in a specific LINQ query:

```c#
var allBlogs = await context.Blogs.IgnoreQueryFilters(["SoftDeletionFlter"]).ToListAsync();

CopilotAIJul 14, 2025

Copy link

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The filter name "SoftDeletionFlter" is misspelled; consider renaming to "SoftDeletionFilter".

Suggested change
.HasQueryFilter("SoftDeletionFlter", b => !b.IsDeleted)
.HasQueryFilter("TenantFilter", b => b.TenantId == tenantId);
```
This notably allows disabling only certain filters in a specific LINQ query:
```c#
var allBlogs = await context.Blogs.IgnoreQueryFilters(["SoftDeletionFlter"]).ToListAsync();
.HasQueryFilter("SoftDeletionFilter", b => !b.IsDeleted)
.HasQueryFilter("TenantFilter", b => b.TenantId == tenantId);

This notably allows disabling only certain filters in a specific LINQ query:

varallBlogs=awaitcontext.Blogs.IgnoreQueryFilters(["SoftDeletionFilter"]).ToListAsync();

Copilot uses AI. Check for mistakes.
This release brings several improvements to dark mode support in Windows Forms.

- `ListView` ColumnHeaders` are rendering correctly in dark mode now.
- All `ToolStrip` based controls (`MenuStrip`, `StatusStrip`) have their dedicated System Darkmode renderes, and do not rely any longer on additional Professional renderers, which make them compatible to certain A11Y requirements.

CopilotAIJul 14, 2025

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The word "renderes" should be corrected to "renderers".

Suggested change
- All `ToolStrip` based controls (`MenuStrip`, `StatusStrip`) have their dedicated System Darkmode renderes, and do not rely any longer on additional Professional renderers, which make them compatible to certain A11Y requirements.
- All `ToolStrip` based controls (`MenuStrip`, `StatusStrip`) have their dedicated System Darkmode renderers, and do not rely any longer on additional Professional renderers, which make them compatible to certain A11Y requirements.

Copilot uses AI. Check for mistakes.

Outputs:

```json

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Makes the comment render nicer.

Suggested change
```json
```jsonc

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@victorisr
victorisr merged commit 2981881 into mainJul 15, 2025
@victorisr
victorisr deleted the dotnet10-p6 branch July 15, 2025 17:08
martincostello added a commit to martincostello/core that referenced this pull request Jul 15, 2025

This transformation is called loop inversion. By moving the condition to the bottom of the loop, the JIT removes the need to branch to the top of the loop to test the condition, improving code layout. Numerous optimizations (like loop cloning, loop unrolling, and induction variable optimizations) also depend on loop inversion to produce this shape to aid analysis.

.NET 9 enhanced code quality for loops by switching over numerous optimizations to use a graph-based loop recognition implementation, bringing improved precision over the lexical analysis it replaced. Preview 6 switches over loop inversion, the only loop optimization still using the lexical implementation, to the graph-based implementation. Thanks to [dotnet/runtime #116017](https://github.com/dotnet/runtime/pull/116017), loop inversion now considers all natural loops -- loops with a single entry point -- and ignores the false positives previously considered by the lexical implementation. This translates into higher optimization potential for .NET programs with `for` and `while` statements.

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Did you mean .NET 10?

martincostello added a commit to martincostello/core that referenced this pull request Jul 30, 2025
jongalloway added a commit that referenced this pull request Aug 8, 2025
#9830 (comment)
Co-authored-by: Jon Galloway <jongalloway@gmail.com>
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@jamesmontemagno@martincostello@hez2010@victorisr@jongalloway
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms"); } } catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
Skip to content

.NET 10 Preview 6 - #9830

Merged
victorisr merged 38 commits into
mainfrom
dotnet10-p6
Jul 15, 2025
Merged

.NET 10 Preview 6#9830
victorisr merged 38 commits into
mainfrom
dotnet10-p6

Conversation

@jamesmontemagno

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@jamesmontemagno
jamesmontemagno marked this pull request as draft April 7, 2025 17:42
jamesmontemagnoand others added 15 commits June 10, 2025 12:55
* Update fsharp preview6 release notes with manual changes.
* udpate for release
* Add period to last sentence in csharp preview6 release notes.
* update C#
* Add period to last sentence in efcore preview6 release notes.
* EF 10.0-preview.6 release notes
* Added small improvements
---------
Co-authored-by: Shay Rojansky <roji@roji.org>
* Add period to last sentence in aspnetcore preview6 release notes.
* Add period to last sentence in containers preview6 release notes.
* Add period to last sentence in csharp preview6 release notes.
* Add period to last sentence in dotnetmaui preview6 release notes.
* Add period to last sentence in efcore preview6 release notes.
* Add period to last sentence in libraries preview6 release notes.
* Add period to last sentence in runtime preview6 release notes.
* Add period to last sentence in sdk preview6 release notes.
* Add period to last sentence in visualbasic preview6 release notes.
* Add period to last sentence in winforms preview6 release notes.
* Add period to last sentence in wpf preview6 release notes.
* Revert all changes except wpf.md in dotnet10-p6-wpf branch.
* Add WPF info
* update feature list
---------
Co-authored-by: Andy (Steve) De George <67293991+adegeo@users.noreply.github.com>
* Add period to last sentence in winforms preview6 release notes.
* Update WinForms for Preview 6
* Apply suggestions from code review
Co-authored-by: Klaus Löffelmann <9663150+KlausLoeffelmann@users.noreply.github.com>
---------
Co-authored-by: Merrie McGaw <mmcgaw@microsoft.com>
Co-authored-by: Klaus Löffelmann <9663150+KlausLoeffelmann@users.noreply.github.com>
* Add period to last sentence in sdk preview6 release notes.
* CLI notes around tools and such
* Add release notes for preview.6 run-file changes
---------
Co-authored-by: Chet Husk <baronfel@users.noreply.github.com>
Co-authored-by: Damian Edwards <damian@damianedwards.com>
* Add period to last sentence in containers preview6 release notes.
* update to none udpates.
* Add period to last sentence in runtime preview6 release notes.
* Add JIT notes
---------
Co-authored-by: Aman Khalid (from Dev Box) <amankhalid@microsoft.com>
* Add period to last sentence in dotnetmaui preview6 release notes.
* Update dotnetmaui.md
* adding more details for android
* minor updates to iOS note
* Update release-notes/10.0/preview/preview6/dotnetmaui.md
Co-authored-by: Jonathan Peppers <jonathan.peppers@microsoft.com>
* Update release-notes/10.0/preview/preview6/dotnetmaui.md
Co-authored-by: Jonathan Peppers <jonathan.peppers@microsoft.com>
* Update release-notes/10.0/preview/preview6/dotnetmaui.md
Co-authored-by: Jonathan Peppers <jonathan.peppers@microsoft.com>
* added contributors from android and iOS repos
---------
Co-authored-by: David Ortinau <david.ortinau@microsoft.com>
Co-authored-by: Jonathan Peppers <jonathan.peppers@microsoft.com>
* Add period to last sentence in libraries preview6 release notes.
* Update libraries.md
* Update libraries.md
Co-authored-by: Weihan Li <weihanli@outlook.com>
* Update libraries.md
fix link
---------
Co-authored-by: Pranav Senthilnathan <pranas@microsoft.com>
Co-authored-by: Weihan Li <weihanli@outlook.com>
@jamesmontemagno
jamesmontemagno marked this pull request as ready for review July 9, 2025 21:20
… in Windows Forms, improve JSON property handling in libraries, and refine CLI tool execution options in SDK.
… in Windows Forms, improve formatting in EF Core and SDK documentation, and clean up whitespace in various markdown files.
@jongalloway
jongalloway requested a review from CopilotJuly 14, 2025 23:44

CopilotAI left a comment

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Pull Request Overview

This PR updates .NET 10 from Preview 5 to Preview 6, revises version metadata across release tables and JSON indexes, consolidates JSON formatting, and adds the full suite of Preview 6 release notes.

  • Bumped preview version from 10.0.0-preview.5 to 10.0.0-preview.6 in markdown and JSON files
  • Reformatted arrays to single-line style in supported-os.json and other JSON docs
  • Added new Preview 6 release note files for WPF, WinForms, Visual Basic, SDK, runtime, libraries, EF Core, MAUI, and more

Reviewed Changes

Copilot reviewed 27 out of 27 changed files in this pull request and generated 2 comments.

Show a summary per file
FileDescription
releases.mdUpdated Preview table entry to preview.6
release-notes/releases-index.jsonBumped latest-release to preview.6 and date
release-notes/README.mdUpdated Preview table entry to preview.6
release-notes/10.0/supported-os.jsonCollapsed arrays to single-line values
release-notes/10.0/preview/preview6/*.mdAdded all Preview 6 release note markdown files
release-notes/10.0/preview/preview6/release.jsonAdded Preview 6 metadata and file listings
release-notes/10.0/preview/preview6/README.mdCreated Preview 6 summary with placeholder date
Comments suppressed due to low confidence (2)

release-notes/10.0/preview/preview6/winforms.md:19

  • There is an extraneous backtick after "ColumnHeaders"; update the formatting to something like ListView ColumnHeaders.
- `ListView` ColumnHeaders` are rendering correctly in dark mode now.

release-notes/10.0/preview/preview6/README.md:3

  • The placeholder date "April X, 2025" should be updated to the actual release date (e.g., "July 15, 2025").
.NET 10 Preview 6 released on April X, 2025. Find more information on new features released in .NET 10 Preview 6 by browsing through the release notes below:

Comment on lines +22 to +29
.HasQueryFilter("SoftDeletionFlter", b => !b.IsDeleted)
.HasQueryFilter("TenantFilter", b => b.TenantId == tenantId);
```

This notably allows disabling only certain filters in a specific LINQ query:

```c#
var allBlogs = await context.Blogs.IgnoreQueryFilters(["SoftDeletionFlter"]).ToListAsync();

CopilotAIJul 14, 2025

Copy link

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

The filter name "SoftDeletionFlter" is misspelled; consider renaming to "SoftDeletionFilter".

Suggested change
.HasQueryFilter("SoftDeletionFlter", b => !b.IsDeleted)
.HasQueryFilter("TenantFilter", b => b.TenantId == tenantId);
```
This notably allows disabling only certain filters in a specific LINQ query:
```c#
var allBlogs = await context.Blogs.IgnoreQueryFilters(["SoftDeletionFlter"]).ToListAsync();
.HasQueryFilter("SoftDeletionFilter", b => !b.IsDeleted)
.HasQueryFilter("TenantFilter", b => b.TenantId == tenantId);

This notably allows disabling only certain filters in a specific LINQ query:

varallBlogs=awaitcontext.Blogs.IgnoreQueryFilters(["SoftDeletionFilter"]).ToListAsync();

Copilot uses AI. Check for mistakes.
This release brings several improvements to dark mode support in Windows Forms.

- `ListView` ColumnHeaders` are rendering correctly in dark mode now.
- All `ToolStrip` based controls (`MenuStrip`, `StatusStrip`) have their dedicated System Darkmode renderes, and do not rely any longer on additional Professional renderers, which make them compatible to certain A11Y requirements.

CopilotAIJul 14, 2025

Copy link

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The reason will be displayed to describe this comment to others. Learn more.

The word "renderes" should be corrected to "renderers".

Suggested change
- All `ToolStrip` based controls (`MenuStrip`, `StatusStrip`) have their dedicated System Darkmode renderes, and do not rely any longer on additional Professional renderers, which make them compatible to certain A11Y requirements.
- All `ToolStrip` based controls (`MenuStrip`, `StatusStrip`) have their dedicated System Darkmode renderers, and do not rely any longer on additional Professional renderers, which make them compatible to certain A11Y requirements.

Copilot uses AI. Check for mistakes.

Outputs:

```json

Copy link
Copy Markdown
Member

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Makes the comment render nicer.

Suggested change
```json
```jsonc

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@victorisr
victorisr merged commit 2981881 into mainJul 15, 2025
@victorisr
victorisr deleted the dotnet10-p6 branch July 15, 2025 17:08
martincostello added a commit to martincostello/core that referenced this pull request Jul 15, 2025

This transformation is called loop inversion. By moving the condition to the bottom of the loop, the JIT removes the need to branch to the top of the loop to test the condition, improving code layout. Numerous optimizations (like loop cloning, loop unrolling, and induction variable optimizations) also depend on loop inversion to produce this shape to aid analysis.

.NET 9 enhanced code quality for loops by switching over numerous optimizations to use a graph-based loop recognition implementation, bringing improved precision over the lexical analysis it replaced. Preview 6 switches over loop inversion, the only loop optimization still using the lexical implementation, to the graph-based implementation. Thanks to [dotnet/runtime #116017](https://github.com/dotnet/runtime/pull/116017), loop inversion now considers all natural loops -- loops with a single entry point -- and ignores the false positives previously considered by the lexical implementation. This translates into higher optimization potential for .NET programs with `for` and `while` statements.

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Did you mean .NET 10?

martincostello added a commit to martincostello/core that referenced this pull request Jul 30, 2025
jongalloway added a commit that referenced this pull request Aug 8, 2025
#9830 (comment)
Co-authored-by: Jon Galloway <jongalloway@gmail.com>
Sign up for freeto join this conversation on GitHub. Already have an account? Sign in to comment

Labels

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Successfully merging this pull request may close these issues.

7 participants

@jamesmontemagno@martincostello@hez2010@victorisr@jongalloway
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links"); } } catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); } })(); (function(){ try { var __m = "youtube.com"; var __re = new RegExp('^' + "youtube\\.com" + '
Skip to content

.NET 10 Preview 6 - #9830

Merged
victorisr merged 38 commits into
mainfrom
dotnet10-p6
Jul 15, 2025
Merged

.NET 10 Preview 6#9830
victorisr merged 38 commits into
mainfrom
dotnet10-p6

Conversation

@jamesmontemagno

Copy link
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Member

No description provided.

@jamesmontemagno
jamesmontemagno marked this pull request as draft April 7, 2025 17:42
jamesmontemagnoand others added 15 commits June 10, 2025 12:55
* Update fsharp preview6 release notes with manual changes.
* udpate for release
* Add period to last sentence in csharp preview6 release notes.
* update C#
* Add period to last sentence in efcore preview6 release notes.
* EF 10.0-preview.6 release notes
* Added small improvements
---------
Co-authored-by: Shay Rojansky <roji@roji.org>
* Add period to last sentence in aspnetcore preview6 release notes.
* Add period to last sentence in containers preview6 release notes.
* Add period to last sentence in csharp preview6 release notes.
* Add period to last sentence in dotnetmaui preview6 release notes.
* Add period to last sentence in efcore preview6 release notes.
* Add period to last sentence in libraries preview6 release notes.
* Add period to last sentence in runtime preview6 release notes.
* Add period to last sentence in sdk preview6 release notes.
* Add period to last sentence in visualbasic preview6 release notes.
* Add period to last sentence in winforms preview6 release notes.
* Add period to last sentence in wpf preview6 release notes.
* Revert all changes except wpf.md in dotnet10-p6-wpf branch.
* Add WPF info
* update feature list
---------
Co-authored-by: Andy (Steve) De George <67293991+adegeo@users.noreply.github.com>
* Add period to last sentence in winforms preview6 release notes.
* Update WinForms for Preview 6
* Apply suggestions from code review
Co-authored-by: Klaus Löffelmann <9663150+KlausLoeffelmann@users.noreply.github.com>
---------
Co-authored-by: Merrie McGaw <mmcgaw@microsoft.com>
Co-authored-by: Klaus Löffelmann <9663150+KlausLoeffelmann@users.noreply.github.com>
* Add period to last sentence in sdk preview6 release notes.
* CLI notes around tools and such
* Add release notes for preview.6 run-file changes
---------
Co-authored-by: Chet Husk <baronfel@users.noreply.github.com>
Co-authored-by: Damian Edwards <damian@damianedwards.com>
* Add period to last sentence in containers preview6 release notes.
* update to none udpates.
* Add period to last sentence in runtime preview6 release notes.
* Add JIT notes
---------
Co-authored-by: Aman Khalid (from Dev Box) <amankhalid@microsoft.com>
* Add period to last sentence in dotnetmaui preview6 release notes.
* Update dotnetmaui.md
* adding more details for android
* minor updates to iOS note
* Update release-notes/10.0/preview/preview6/dotnetmaui.md
Co-authored-by: Jonathan Peppers <jonathan.peppers@microsoft.com>
* Update release-notes/10.0/preview/preview6/dotnetmaui.md
Co-authored-by: Jonathan Peppers <jonathan.peppers@microsoft.com>
* Update release-notes/10.0/preview/preview6/dotnetmaui.md
Co-authored-by: Jonathan Peppers <jonathan.peppers@microsoft.com>
* added contributors from android and iOS repos
---------
Co-authored-by: David Ortinau <david.ortinau@microsoft.com>
Co-authored-by: Jonathan Peppers <jonathan.peppers@microsoft.com>
* Add period to last sentence in libraries preview6 release notes.
* Update libraries.md
* Update libraries.md
Co-authored-by: Weihan Li <weihanli@outlook.com>
* Update libraries.md
fix link
---------
Co-authored-by: Pranav Senthilnathan <pranas@microsoft.com>
Co-authored-by: Weihan Li <weihanli@outlook.com>
@jamesmontemagno
jamesmontemagno marked this pull request as ready for review July 9, 2025 21:20
… in Windows Forms, improve JSON property handling in libraries, and refine CLI tool execution options in SDK.
… in Windows Forms, improve formatting in EF Core and SDK documentation, and clean up whitespace in various markdown files.
@jongalloway
jongalloway requested a review from CopilotJuly 14, 2025 23:44

CopilotAI left a comment

Copy link
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Contributor

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Pull Request Overview

This PR updates .NET 10 from Preview 5 to Preview 6, revises version metadata across release tables and JSON indexes, consolidates JSON formatting, and adds the full suite of Preview 6 release notes.

  • Bumped preview version from 10.0.0-preview.5 to 10.0.0-preview.6 in markdown and JSON files
  • Reformatted arrays to single-line style in supported-os.json and other JSON docs
  • Added new Preview 6 release note files for WPF, WinForms, Visual Basic, SDK, runtime, libraries, EF Core, MAUI, and more

Reviewed Changes

Copilot reviewed 27 out of 27 changed files in this pull request and generated 2 comments.

Show a summary per file
FileDescription
releases.mdUpdated Preview table entry to preview.6
release-notes/releases-index.jsonBumped latest-release to preview.6 and date
release-notes/README.mdUpdated Preview table entry to preview.6
release-notes/10.0/supported-os.jsonCollapsed arrays to single-line values
release-notes/10.0/preview/preview6/*.mdAdded all Preview 6 release note markdown files
release-notes/10.0/preview/preview6/release.jsonAdded Preview 6 metadata and file listings
release-notes/10.0/preview/preview6/README.mdCreated Preview 6 summary with placeholder date
Comments suppressed due to low confidence (2)

release-notes/10.0/preview/preview6/winforms.md:19

  • There is an extraneous backtick after "ColumnHeaders"; update the formatting to something like ListView ColumnHeaders.
- `ListView` ColumnHeaders` are rendering correctly in dark mode now.

release-notes/10.0/preview/preview6/README.md:3

  • The placeholder date "April X, 2025" should be updated to the actual release date (e.g., "July 15, 2025").
.NET 10 Preview 6 released on April X, 2025. Find more information on new features released in .NET 10 Preview 6 by browsing through the release notes below:

Comment on lines +22 to +29
.HasQueryFilter("SoftDeletionFlter", b => !b.IsDeleted)
.HasQueryFilter("TenantFilter", b => b.TenantId == tenantId);
```

This notably allows disabling only certain filters in a specific LINQ query:

```c#
var allBlogs = await context.Blogs.IgnoreQueryFilters(["SoftDeletionFlter"]).ToListAsync();

CopilotAIJul 14, 2025

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The filter name "SoftDeletionFlter" is misspelled; consider renaming to "SoftDeletionFilter".

Suggested change
.HasQueryFilter("SoftDeletionFlter", b => !b.IsDeleted)
.HasQueryFilter("TenantFilter", b => b.TenantId == tenantId);
```
This notably allows disabling only certain filters in a specific LINQ query:
```c#
var allBlogs = await context.Blogs.IgnoreQueryFilters(["SoftDeletionFlter"]).ToListAsync();
.HasQueryFilter("SoftDeletionFilter", b => !b.IsDeleted)
.HasQueryFilter("TenantFilter", b => b.TenantId == tenantId);

This notably allows disabling only certain filters in a specific LINQ query:

varallBlogs=awaitcontext.Blogs.IgnoreQueryFilters(["SoftDeletionFilter"]).ToListAsync();

Copilot uses AI. Check for mistakes.
This release brings several improvements to dark mode support in Windows Forms.

- `ListView` ColumnHeaders` are rendering correctly in dark mode now.
- All `ToolStrip` based controls (`MenuStrip`, `StatusStrip`) have their dedicated System Darkmode renderes, and do not rely any longer on additional Professional renderers, which make them compatible to certain A11Y requirements.

CopilotAIJul 14, 2025

Copy link

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The word "renderes" should be corrected to "renderers".

Suggested change
- All `ToolStrip` based controls (`MenuStrip`, `StatusStrip`) have their dedicated System Darkmode renderes, and do not rely any longer on additional Professional renderers, which make them compatible to certain A11Y requirements.
- All `ToolStrip` based controls (`MenuStrip`, `StatusStrip`) have their dedicated System Darkmode renderers, and do not rely any longer on additional Professional renderers, which make them compatible to certain A11Y requirements.

Copilot uses AI. Check for mistakes.

Outputs:

```json

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Makes the comment render nicer.

Suggested change
```json
```jsonc

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@victorisr
victorisr merged commit 2981881 into mainJul 15, 2025
@victorisr
victorisr deleted the dotnet10-p6 branch July 15, 2025 17:08
martincostello added a commit to martincostello/core that referenced this pull request Jul 15, 2025

This transformation is called loop inversion. By moving the condition to the bottom of the loop, the JIT removes the need to branch to the top of the loop to test the condition, improving code layout. Numerous optimizations (like loop cloning, loop unrolling, and induction variable optimizations) also depend on loop inversion to produce this shape to aid analysis.

.NET 9 enhanced code quality for loops by switching over numerous optimizations to use a graph-based loop recognition implementation, bringing improved precision over the lexical analysis it replaced. Preview 6 switches over loop inversion, the only loop optimization still using the lexical implementation, to the graph-based implementation. Thanks to [dotnet/runtime #116017](https://github.com/dotnet/runtime/pull/116017), loop inversion now considers all natural loops -- loops with a single entry point -- and ignores the false positives previously considered by the lexical implementation. This translates into higher optimization potential for .NET programs with `for` and `while` statements.

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Did you mean .NET 10?

martincostello added a commit to martincostello/core that referenced this pull request Jul 30, 2025
jongalloway added a commit that referenced this pull request Aug 8, 2025
#9830 (comment)
Co-authored-by: Jon Galloway <jongalloway@gmail.com>
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@jamesmontemagno@martincostello@hez2010@victorisr@jongalloway
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default"); } } catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
Skip to content

.NET 10 Preview 6 - #9830

Merged
victorisr merged 38 commits into
mainfrom
dotnet10-p6
Jul 15, 2025
Merged

.NET 10 Preview 6#9830
victorisr merged 38 commits into
mainfrom
dotnet10-p6

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@jamesmontemagno
jamesmontemagno marked this pull request as draft April 7, 2025 17:42
jamesmontemagnoand others added 15 commits June 10, 2025 12:55
* Update fsharp preview6 release notes with manual changes.
* udpate for release
* Add period to last sentence in csharp preview6 release notes.
* update C#
* Add period to last sentence in efcore preview6 release notes.
* EF 10.0-preview.6 release notes
* Added small improvements
---------
Co-authored-by: Shay Rojansky <roji@roji.org>
* Add period to last sentence in aspnetcore preview6 release notes.
* Add period to last sentence in containers preview6 release notes.
* Add period to last sentence in csharp preview6 release notes.
* Add period to last sentence in dotnetmaui preview6 release notes.
* Add period to last sentence in efcore preview6 release notes.
* Add period to last sentence in libraries preview6 release notes.
* Add period to last sentence in runtime preview6 release notes.
* Add period to last sentence in sdk preview6 release notes.
* Add period to last sentence in visualbasic preview6 release notes.
* Add period to last sentence in winforms preview6 release notes.
* Add period to last sentence in wpf preview6 release notes.
* Revert all changes except wpf.md in dotnet10-p6-wpf branch.
* Add WPF info
* update feature list
---------
Co-authored-by: Andy (Steve) De George <67293991+adegeo@users.noreply.github.com>
* Add period to last sentence in winforms preview6 release notes.
* Update WinForms for Preview 6
* Apply suggestions from code review
Co-authored-by: Klaus Löffelmann <9663150+KlausLoeffelmann@users.noreply.github.com>
---------
Co-authored-by: Merrie McGaw <mmcgaw@microsoft.com>
Co-authored-by: Klaus Löffelmann <9663150+KlausLoeffelmann@users.noreply.github.com>
* Add period to last sentence in sdk preview6 release notes.
* CLI notes around tools and such
* Add release notes for preview.6 run-file changes
---------
Co-authored-by: Chet Husk <baronfel@users.noreply.github.com>
Co-authored-by: Damian Edwards <damian@damianedwards.com>
* Add period to last sentence in containers preview6 release notes.
* update to none udpates.
* Add period to last sentence in runtime preview6 release notes.
* Add JIT notes
---------
Co-authored-by: Aman Khalid (from Dev Box) <amankhalid@microsoft.com>
* Add period to last sentence in dotnetmaui preview6 release notes.
* Update dotnetmaui.md
* adding more details for android
* minor updates to iOS note
* Update release-notes/10.0/preview/preview6/dotnetmaui.md
Co-authored-by: Jonathan Peppers <jonathan.peppers@microsoft.com>
* Update release-notes/10.0/preview/preview6/dotnetmaui.md
Co-authored-by: Jonathan Peppers <jonathan.peppers@microsoft.com>
* Update release-notes/10.0/preview/preview6/dotnetmaui.md
Co-authored-by: Jonathan Peppers <jonathan.peppers@microsoft.com>
* added contributors from android and iOS repos
---------
Co-authored-by: David Ortinau <david.ortinau@microsoft.com>
Co-authored-by: Jonathan Peppers <jonathan.peppers@microsoft.com>
* Add period to last sentence in libraries preview6 release notes.
* Update libraries.md
* Update libraries.md
Co-authored-by: Weihan Li <weihanli@outlook.com>
* Update libraries.md
fix link
---------
Co-authored-by: Pranav Senthilnathan <pranas@microsoft.com>
Co-authored-by: Weihan Li <weihanli@outlook.com>
@jamesmontemagno
jamesmontemagno marked this pull request as ready for review July 9, 2025 21:20
… in Windows Forms, improve JSON property handling in libraries, and refine CLI tool execution options in SDK.
… in Windows Forms, improve formatting in EF Core and SDK documentation, and clean up whitespace in various markdown files.
@jongalloway
jongalloway requested a review from CopilotJuly 14, 2025 23:44

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Pull Request Overview

This PR updates .NET 10 from Preview 5 to Preview 6, revises version metadata across release tables and JSON indexes, consolidates JSON formatting, and adds the full suite of Preview 6 release notes.

  • Bumped preview version from 10.0.0-preview.5 to 10.0.0-preview.6 in markdown and JSON files
  • Reformatted arrays to single-line style in supported-os.json and other JSON docs
  • Added new Preview 6 release note files for WPF, WinForms, Visual Basic, SDK, runtime, libraries, EF Core, MAUI, and more

Reviewed Changes

Copilot reviewed 27 out of 27 changed files in this pull request and generated 2 comments.

Show a summary per file
FileDescription
releases.mdUpdated Preview table entry to preview.6
release-notes/releases-index.jsonBumped latest-release to preview.6 and date
release-notes/README.mdUpdated Preview table entry to preview.6
release-notes/10.0/supported-os.jsonCollapsed arrays to single-line values
release-notes/10.0/preview/preview6/*.mdAdded all Preview 6 release note markdown files
release-notes/10.0/preview/preview6/release.jsonAdded Preview 6 metadata and file listings
release-notes/10.0/preview/preview6/README.mdCreated Preview 6 summary with placeholder date
Comments suppressed due to low confidence (2)

release-notes/10.0/preview/preview6/winforms.md:19

  • There is an extraneous backtick after "ColumnHeaders"; update the formatting to something like ListView ColumnHeaders.
- `ListView` ColumnHeaders` are rendering correctly in dark mode now.

release-notes/10.0/preview/preview6/README.md:3

  • The placeholder date "April X, 2025" should be updated to the actual release date (e.g., "July 15, 2025").
.NET 10 Preview 6 released on April X, 2025. Find more information on new features released in .NET 10 Preview 6 by browsing through the release notes below:

Comment on lines +22 to +29
.HasQueryFilter("SoftDeletionFlter", b => !b.IsDeleted)
.HasQueryFilter("TenantFilter", b => b.TenantId == tenantId);
```

This notably allows disabling only certain filters in a specific LINQ query:

```c#
var allBlogs = await context.Blogs.IgnoreQueryFilters(["SoftDeletionFlter"]).ToListAsync();

CopilotAIJul 14, 2025

Copy link

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The filter name "SoftDeletionFlter" is misspelled; consider renaming to "SoftDeletionFilter".

Suggested change
.HasQueryFilter("SoftDeletionFlter", b => !b.IsDeleted)
.HasQueryFilter("TenantFilter", b => b.TenantId == tenantId);
```
This notably allows disabling only certain filters in a specific LINQ query:
```c#
var allBlogs = await context.Blogs.IgnoreQueryFilters(["SoftDeletionFlter"]).ToListAsync();
.HasQueryFilter("SoftDeletionFilter", b => !b.IsDeleted)
.HasQueryFilter("TenantFilter", b => b.TenantId == tenantId);

This notably allows disabling only certain filters in a specific LINQ query:

varallBlogs=awaitcontext.Blogs.IgnoreQueryFilters(["SoftDeletionFilter"]).ToListAsync();

Copilot uses AI. Check for mistakes.
This release brings several improvements to dark mode support in Windows Forms.

- `ListView` ColumnHeaders` are rendering correctly in dark mode now.
- All `ToolStrip` based controls (`MenuStrip`, `StatusStrip`) have their dedicated System Darkmode renderes, and do not rely any longer on additional Professional renderers, which make them compatible to certain A11Y requirements.

CopilotAIJul 14, 2025

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The word "renderes" should be corrected to "renderers".

Suggested change
- All `ToolStrip` based controls (`MenuStrip`, `StatusStrip`) have their dedicated System Darkmode renderes, and do not rely any longer on additional Professional renderers, which make them compatible to certain A11Y requirements.
- All `ToolStrip` based controls (`MenuStrip`, `StatusStrip`) have their dedicated System Darkmode renderers, and do not rely any longer on additional Professional renderers, which make them compatible to certain A11Y requirements.

Copilot uses AI. Check for mistakes.

Outputs:

```json

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Makes the comment render nicer.

Suggested change
```json
```jsonc

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@victorisr
victorisr merged commit 2981881 into mainJul 15, 2025
@victorisr
victorisr deleted the dotnet10-p6 branch July 15, 2025 17:08
martincostello added a commit to martincostello/core that referenced this pull request Jul 15, 2025

This transformation is called loop inversion. By moving the condition to the bottom of the loop, the JIT removes the need to branch to the top of the loop to test the condition, improving code layout. Numerous optimizations (like loop cloning, loop unrolling, and induction variable optimizations) also depend on loop inversion to produce this shape to aid analysis.

.NET 9 enhanced code quality for loops by switching over numerous optimizations to use a graph-based loop recognition implementation, bringing improved precision over the lexical analysis it replaced. Preview 6 switches over loop inversion, the only loop optimization still using the lexical implementation, to the graph-based implementation. Thanks to [dotnet/runtime #116017](https://github.com/dotnet/runtime/pull/116017), loop inversion now considers all natural loops -- loops with a single entry point -- and ignores the false positives previously considered by the lexical implementation. This translates into higher optimization potential for .NET programs with `for` and `while` statements.

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Did you mean .NET 10?

martincostello added a commit to martincostello/core that referenced this pull request Jul 30, 2025
jongalloway added a commit that referenced this pull request Aug 8, 2025
#9830 (comment)
Co-authored-by: Jon Galloway <jongalloway@gmail.com>
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7 participants

@jamesmontemagno@martincostello@hez2010@victorisr@jongalloway
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers"); } } catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
Skip to content

.NET 10 Preview 6 - #9830

Merged
victorisr merged 38 commits into
mainfrom
dotnet10-p6
Jul 15, 2025
Merged

.NET 10 Preview 6#9830
victorisr merged 38 commits into
mainfrom
dotnet10-p6

Conversation

@jamesmontemagno

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@jamesmontemagno
jamesmontemagno marked this pull request as draft April 7, 2025 17:42
jamesmontemagnoand others added 15 commits June 10, 2025 12:55
* Update fsharp preview6 release notes with manual changes.
* udpate for release
* Add period to last sentence in csharp preview6 release notes.
* update C#
* Add period to last sentence in efcore preview6 release notes.
* EF 10.0-preview.6 release notes
* Added small improvements
---------
Co-authored-by: Shay Rojansky <roji@roji.org>
* Add period to last sentence in aspnetcore preview6 release notes.
* Add period to last sentence in containers preview6 release notes.
* Add period to last sentence in csharp preview6 release notes.
* Add period to last sentence in dotnetmaui preview6 release notes.
* Add period to last sentence in efcore preview6 release notes.
* Add period to last sentence in libraries preview6 release notes.
* Add period to last sentence in runtime preview6 release notes.
* Add period to last sentence in sdk preview6 release notes.
* Add period to last sentence in visualbasic preview6 release notes.
* Add period to last sentence in winforms preview6 release notes.
* Add period to last sentence in wpf preview6 release notes.
* Revert all changes except wpf.md in dotnet10-p6-wpf branch.
* Add WPF info
* update feature list
---------
Co-authored-by: Andy (Steve) De George <67293991+adegeo@users.noreply.github.com>
* Add period to last sentence in winforms preview6 release notes.
* Update WinForms for Preview 6
* Apply suggestions from code review
Co-authored-by: Klaus Löffelmann <9663150+KlausLoeffelmann@users.noreply.github.com>
---------
Co-authored-by: Merrie McGaw <mmcgaw@microsoft.com>
Co-authored-by: Klaus Löffelmann <9663150+KlausLoeffelmann@users.noreply.github.com>
* Add period to last sentence in sdk preview6 release notes.
* CLI notes around tools and such
* Add release notes for preview.6 run-file changes
---------
Co-authored-by: Chet Husk <baronfel@users.noreply.github.com>
Co-authored-by: Damian Edwards <damian@damianedwards.com>
* Add period to last sentence in containers preview6 release notes.
* update to none udpates.
* Add period to last sentence in runtime preview6 release notes.
* Add JIT notes
---------
Co-authored-by: Aman Khalid (from Dev Box) <amankhalid@microsoft.com>
* Add period to last sentence in dotnetmaui preview6 release notes.
* Update dotnetmaui.md
* adding more details for android
* minor updates to iOS note
* Update release-notes/10.0/preview/preview6/dotnetmaui.md
Co-authored-by: Jonathan Peppers <jonathan.peppers@microsoft.com>
* Update release-notes/10.0/preview/preview6/dotnetmaui.md
Co-authored-by: Jonathan Peppers <jonathan.peppers@microsoft.com>
* Update release-notes/10.0/preview/preview6/dotnetmaui.md
Co-authored-by: Jonathan Peppers <jonathan.peppers@microsoft.com>
* added contributors from android and iOS repos
---------
Co-authored-by: David Ortinau <david.ortinau@microsoft.com>
Co-authored-by: Jonathan Peppers <jonathan.peppers@microsoft.com>
* Add period to last sentence in libraries preview6 release notes.
* Update libraries.md
* Update libraries.md
Co-authored-by: Weihan Li <weihanli@outlook.com>
* Update libraries.md
fix link
---------
Co-authored-by: Pranav Senthilnathan <pranas@microsoft.com>
Co-authored-by: Weihan Li <weihanli@outlook.com>
@jamesmontemagno
jamesmontemagno marked this pull request as ready for review July 9, 2025 21:20
… in Windows Forms, improve JSON property handling in libraries, and refine CLI tool execution options in SDK.
… in Windows Forms, improve formatting in EF Core and SDK documentation, and clean up whitespace in various markdown files.
@jongalloway
jongalloway requested a review from CopilotJuly 14, 2025 23:44

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Pull Request Overview

This PR updates .NET 10 from Preview 5 to Preview 6, revises version metadata across release tables and JSON indexes, consolidates JSON formatting, and adds the full suite of Preview 6 release notes.

  • Bumped preview version from 10.0.0-preview.5 to 10.0.0-preview.6 in markdown and JSON files
  • Reformatted arrays to single-line style in supported-os.json and other JSON docs
  • Added new Preview 6 release note files for WPF, WinForms, Visual Basic, SDK, runtime, libraries, EF Core, MAUI, and more

Reviewed Changes

Copilot reviewed 27 out of 27 changed files in this pull request and generated 2 comments.

Show a summary per file
FileDescription
releases.mdUpdated Preview table entry to preview.6
release-notes/releases-index.jsonBumped latest-release to preview.6 and date
release-notes/README.mdUpdated Preview table entry to preview.6
release-notes/10.0/supported-os.jsonCollapsed arrays to single-line values
release-notes/10.0/preview/preview6/*.mdAdded all Preview 6 release note markdown files
release-notes/10.0/preview/preview6/release.jsonAdded Preview 6 metadata and file listings
release-notes/10.0/preview/preview6/README.mdCreated Preview 6 summary with placeholder date
Comments suppressed due to low confidence (2)

release-notes/10.0/preview/preview6/winforms.md:19

  • There is an extraneous backtick after "ColumnHeaders"; update the formatting to something like ListView ColumnHeaders.
- `ListView` ColumnHeaders` are rendering correctly in dark mode now.

release-notes/10.0/preview/preview6/README.md:3

  • The placeholder date "April X, 2025" should be updated to the actual release date (e.g., "July 15, 2025").
.NET 10 Preview 6 released on April X, 2025. Find more information on new features released in .NET 10 Preview 6 by browsing through the release notes below:

Comment on lines +22 to +29
.HasQueryFilter("SoftDeletionFlter", b => !b.IsDeleted)
.HasQueryFilter("TenantFilter", b => b.TenantId == tenantId);
```

This notably allows disabling only certain filters in a specific LINQ query:

```c#
var allBlogs = await context.Blogs.IgnoreQueryFilters(["SoftDeletionFlter"]).ToListAsync();

CopilotAIJul 14, 2025

Copy link

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

The filter name "SoftDeletionFlter" is misspelled; consider renaming to "SoftDeletionFilter".

Suggested change
.HasQueryFilter("SoftDeletionFlter", b => !b.IsDeleted)
.HasQueryFilter("TenantFilter", b => b.TenantId == tenantId);
```
This notably allows disabling only certain filters in a specific LINQ query:
```c#
var allBlogs = await context.Blogs.IgnoreQueryFilters(["SoftDeletionFlter"]).ToListAsync();
.HasQueryFilter("SoftDeletionFilter", b => !b.IsDeleted)
.HasQueryFilter("TenantFilter", b => b.TenantId == tenantId);

This notably allows disabling only certain filters in a specific LINQ query:

varallBlogs=awaitcontext.Blogs.IgnoreQueryFilters(["SoftDeletionFilter"]).ToListAsync();

Copilot uses AI. Check for mistakes.
This release brings several improvements to dark mode support in Windows Forms.

- `ListView` ColumnHeaders` are rendering correctly in dark mode now.
- All `ToolStrip` based controls (`MenuStrip`, `StatusStrip`) have their dedicated System Darkmode renderes, and do not rely any longer on additional Professional renderers, which make them compatible to certain A11Y requirements.

CopilotAIJul 14, 2025

Copy link

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The word "renderes" should be corrected to "renderers".

Suggested change
- All `ToolStrip` based controls (`MenuStrip`, `StatusStrip`) have their dedicated System Darkmode renderes, and do not rely any longer on additional Professional renderers, which make them compatible to certain A11Y requirements.
- All `ToolStrip` based controls (`MenuStrip`, `StatusStrip`) have their dedicated System Darkmode renderers, and do not rely any longer on additional Professional renderers, which make them compatible to certain A11Y requirements.

Copilot uses AI. Check for mistakes.

Outputs:

```json

Copy link
Copy Markdown
Member

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Makes the comment render nicer.

Suggested change
```json
```jsonc

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@victorisr
victorisr merged commit 2981881 into mainJul 15, 2025
@victorisr
victorisr deleted the dotnet10-p6 branch July 15, 2025 17:08
martincostello added a commit to martincostello/core that referenced this pull request Jul 15, 2025

This transformation is called loop inversion. By moving the condition to the bottom of the loop, the JIT removes the need to branch to the top of the loop to test the condition, improving code layout. Numerous optimizations (like loop cloning, loop unrolling, and induction variable optimizations) also depend on loop inversion to produce this shape to aid analysis.

.NET 9 enhanced code quality for loops by switching over numerous optimizations to use a graph-based loop recognition implementation, bringing improved precision over the lexical analysis it replaced. Preview 6 switches over loop inversion, the only loop optimization still using the lexical implementation, to the graph-based implementation. Thanks to [dotnet/runtime #116017](https://github.com/dotnet/runtime/pull/116017), loop inversion now considers all natural loops -- loops with a single entry point -- and ignores the false positives previously considered by the lexical implementation. This translates into higher optimization potential for .NET programs with `for` and `while` statements.

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Did you mean .NET 10?

martincostello added a commit to martincostello/core that referenced this pull request Jul 30, 2025
jongalloway added a commit that referenced this pull request Aug 8, 2025
#9830 (comment)
Co-authored-by: Jon Galloway <jongalloway@gmail.com>
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Successfully merging this pull request may close these issues.

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@jamesmontemagno@martincostello@hez2010@victorisr@jongalloway
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode"); } } catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); } })(); })();
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.NET 10 Preview 6 - #9830

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victorisr merged 38 commits into
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dotnet10-p6
Jul 15, 2025
Merged

.NET 10 Preview 6#9830
victorisr merged 38 commits into
mainfrom
dotnet10-p6

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@jamesmontemagno
jamesmontemagno marked this pull request as draft April 7, 2025 17:42
jamesmontemagnoand others added 15 commits June 10, 2025 12:55
* Update fsharp preview6 release notes with manual changes.
* udpate for release
* Add period to last sentence in csharp preview6 release notes.
* update C#
* Add period to last sentence in efcore preview6 release notes.
* EF 10.0-preview.6 release notes
* Added small improvements
---------
Co-authored-by: Shay Rojansky <roji@roji.org>
* Add period to last sentence in aspnetcore preview6 release notes.
* Add period to last sentence in containers preview6 release notes.
* Add period to last sentence in csharp preview6 release notes.
* Add period to last sentence in dotnetmaui preview6 release notes.
* Add period to last sentence in efcore preview6 release notes.
* Add period to last sentence in libraries preview6 release notes.
* Add period to last sentence in runtime preview6 release notes.
* Add period to last sentence in sdk preview6 release notes.
* Add period to last sentence in visualbasic preview6 release notes.
* Add period to last sentence in winforms preview6 release notes.
* Add period to last sentence in wpf preview6 release notes.
* Revert all changes except wpf.md in dotnet10-p6-wpf branch.
* Add WPF info
* update feature list
---------
Co-authored-by: Andy (Steve) De George <67293991+adegeo@users.noreply.github.com>
* Add period to last sentence in winforms preview6 release notes.
* Update WinForms for Preview 6
* Apply suggestions from code review
Co-authored-by: Klaus Löffelmann <9663150+KlausLoeffelmann@users.noreply.github.com>
---------
Co-authored-by: Merrie McGaw <mmcgaw@microsoft.com>
Co-authored-by: Klaus Löffelmann <9663150+KlausLoeffelmann@users.noreply.github.com>
* Add period to last sentence in sdk preview6 release notes.
* CLI notes around tools and such
* Add release notes for preview.6 run-file changes
---------
Co-authored-by: Chet Husk <baronfel@users.noreply.github.com>
Co-authored-by: Damian Edwards <damian@damianedwards.com>
* Add period to last sentence in containers preview6 release notes.
* update to none udpates.
* Add period to last sentence in runtime preview6 release notes.
* Add JIT notes
---------
Co-authored-by: Aman Khalid (from Dev Box) <amankhalid@microsoft.com>
* Add period to last sentence in dotnetmaui preview6 release notes.
* Update dotnetmaui.md
* adding more details for android
* minor updates to iOS note
* Update release-notes/10.0/preview/preview6/dotnetmaui.md
Co-authored-by: Jonathan Peppers <jonathan.peppers@microsoft.com>
* Update release-notes/10.0/preview/preview6/dotnetmaui.md
Co-authored-by: Jonathan Peppers <jonathan.peppers@microsoft.com>
* Update release-notes/10.0/preview/preview6/dotnetmaui.md
Co-authored-by: Jonathan Peppers <jonathan.peppers@microsoft.com>
* added contributors from android and iOS repos
---------
Co-authored-by: David Ortinau <david.ortinau@microsoft.com>
Co-authored-by: Jonathan Peppers <jonathan.peppers@microsoft.com>
* Add period to last sentence in libraries preview6 release notes.
* Update libraries.md
* Update libraries.md
Co-authored-by: Weihan Li <weihanli@outlook.com>
* Update libraries.md
fix link
---------
Co-authored-by: Pranav Senthilnathan <pranas@microsoft.com>
Co-authored-by: Weihan Li <weihanli@outlook.com>
@jamesmontemagno
jamesmontemagno marked this pull request as ready for review July 9, 2025 21:20
… in Windows Forms, improve JSON property handling in libraries, and refine CLI tool execution options in SDK.
… in Windows Forms, improve formatting in EF Core and SDK documentation, and clean up whitespace in various markdown files.
@jongalloway
jongalloway requested a review from CopilotJuly 14, 2025 23:44

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Pull Request Overview

This PR updates .NET 10 from Preview 5 to Preview 6, revises version metadata across release tables and JSON indexes, consolidates JSON formatting, and adds the full suite of Preview 6 release notes.

  • Bumped preview version from 10.0.0-preview.5 to 10.0.0-preview.6 in markdown and JSON files
  • Reformatted arrays to single-line style in supported-os.json and other JSON docs
  • Added new Preview 6 release note files for WPF, WinForms, Visual Basic, SDK, runtime, libraries, EF Core, MAUI, and more

Reviewed Changes

Copilot reviewed 27 out of 27 changed files in this pull request and generated 2 comments.

Show a summary per file
FileDescription
releases.mdUpdated Preview table entry to preview.6
release-notes/releases-index.jsonBumped latest-release to preview.6 and date
release-notes/README.mdUpdated Preview table entry to preview.6
release-notes/10.0/supported-os.jsonCollapsed arrays to single-line values
release-notes/10.0/preview/preview6/*.mdAdded all Preview 6 release note markdown files
release-notes/10.0/preview/preview6/release.jsonAdded Preview 6 metadata and file listings
release-notes/10.0/preview/preview6/README.mdCreated Preview 6 summary with placeholder date
Comments suppressed due to low confidence (2)

release-notes/10.0/preview/preview6/winforms.md:19

  • There is an extraneous backtick after "ColumnHeaders"; update the formatting to something like ListView ColumnHeaders.
- `ListView` ColumnHeaders` are rendering correctly in dark mode now.

release-notes/10.0/preview/preview6/README.md:3

  • The placeholder date "April X, 2025" should be updated to the actual release date (e.g., "July 15, 2025").
.NET 10 Preview 6 released on April X, 2025. Find more information on new features released in .NET 10 Preview 6 by browsing through the release notes below:

Comment on lines +22 to +29
.HasQueryFilter("SoftDeletionFlter", b => !b.IsDeleted)
.HasQueryFilter("TenantFilter", b => b.TenantId == tenantId);
```

This notably allows disabling only certain filters in a specific LINQ query:

```c#
var allBlogs = await context.Blogs.IgnoreQueryFilters(["SoftDeletionFlter"]).ToListAsync();

CopilotAIJul 14, 2025

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The filter name "SoftDeletionFlter" is misspelled; consider renaming to "SoftDeletionFilter".

Suggested change
.HasQueryFilter("SoftDeletionFlter", b => !b.IsDeleted)
.HasQueryFilter("TenantFilter", b => b.TenantId == tenantId);
```
This notably allows disabling only certain filters in a specific LINQ query:
```c#
var allBlogs = await context.Blogs.IgnoreQueryFilters(["SoftDeletionFlter"]).ToListAsync();
.HasQueryFilter("SoftDeletionFilter", b => !b.IsDeleted)
.HasQueryFilter("TenantFilter", b => b.TenantId == tenantId);

This notably allows disabling only certain filters in a specific LINQ query:

varallBlogs=awaitcontext.Blogs.IgnoreQueryFilters(["SoftDeletionFilter"]).ToListAsync();

Copilot uses AI. Check for mistakes.
This release brings several improvements to dark mode support in Windows Forms.

- `ListView` ColumnHeaders` are rendering correctly in dark mode now.
- All `ToolStrip` based controls (`MenuStrip`, `StatusStrip`) have their dedicated System Darkmode renderes, and do not rely any longer on additional Professional renderers, which make them compatible to certain A11Y requirements.

CopilotAIJul 14, 2025

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The word "renderes" should be corrected to "renderers".

Suggested change
- All `ToolStrip` based controls (`MenuStrip`, `StatusStrip`) have their dedicated System Darkmode renderes, and do not rely any longer on additional Professional renderers, which make them compatible to certain A11Y requirements.
- All `ToolStrip` based controls (`MenuStrip`, `StatusStrip`) have their dedicated System Darkmode renderers, and do not rely any longer on additional Professional renderers, which make them compatible to certain A11Y requirements.

Copilot uses AI. Check for mistakes.

Outputs:

```json

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Makes the comment render nicer.

Suggested change
```json
```jsonc

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@victorisr
victorisr merged commit 2981881 into mainJul 15, 2025
@victorisr
victorisr deleted the dotnet10-p6 branch July 15, 2025 17:08
martincostello added a commit to martincostello/core that referenced this pull request Jul 15, 2025

This transformation is called loop inversion. By moving the condition to the bottom of the loop, the JIT removes the need to branch to the top of the loop to test the condition, improving code layout. Numerous optimizations (like loop cloning, loop unrolling, and induction variable optimizations) also depend on loop inversion to produce this shape to aid analysis.

.NET 9 enhanced code quality for loops by switching over numerous optimizations to use a graph-based loop recognition implementation, bringing improved precision over the lexical analysis it replaced. Preview 6 switches over loop inversion, the only loop optimization still using the lexical implementation, to the graph-based implementation. Thanks to [dotnet/runtime #116017](https://github.com/dotnet/runtime/pull/116017), loop inversion now considers all natural loops -- loops with a single entry point -- and ignores the false positives previously considered by the lexical implementation. This translates into higher optimization potential for .NET programs with `for` and `while` statements.

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Did you mean .NET 10?

martincostello added a commit to martincostello/core that referenced this pull request Jul 30, 2025
jongalloway added a commit that referenced this pull request Aug 8, 2025
#9830 (comment)
Co-authored-by: Jon Galloway <jongalloway@gmail.com>
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7 participants

@jamesmontemagno@martincostello@hez2010@victorisr@jongalloway