Breaking: Enable unstable_enablePackageExports by default - #1448

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Summary:
Metro 0.81.3 added support for package.json#imports and addressed the main outstanding issue with package.json#exports - correct assertion of the import or require condition.

This flips unstable_enablePackageExports to true ahead of Metro 0.82.0 / RN 0.79-rc.0, which will allow some stabilisation time before this default reaches users.

Since this potentially changes the way existing imports are resolved, I'm labelling it semver breaking out of an abundance of caution. I wouldn't expect this to be disruptive, especially because unstable_enablePackageExports is already widely enabled in practice.

Leaving the flag in place so that anyone who runs into trouble has an escape hatch via unstable_enablePackageExports: false. This option will be removed in a later release.

Changelog:

 - **[Breaking]**: Enable support for `package.json#exports` resolution by default.

Reviewed By: huntie

Differential Revision: D70463018

@facebook-github-botfacebook-github-bot added the CLA Signed This label is managed by the Facebook bot. Authors need to sign the CLA before a PR can be reviewed. label Mar 3, 2025
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This pull request was exported from Phabricator. Differential Revision: D70463018

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This pull request was exported from Phabricator. Differential Revision: D70463018

facebook-github-bot pushed a commit that referenced this pull request Mar 3, 2025
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Breaking: Enableunstable_enablePackageExportsby default (#1448)
c2fbac7
Summary:
Metro 0.81.3 added support for `package.json#imports` and addressed the main outstanding issue with `package.json#exports` - correct assertion of the `import` or `require` condition.
This flips `unstable_enablePackageExports` to `true` ahead of Metro 0.82.0 / RN 0.79-rc.0, which will allow some stabilisation time before this default reaches users.
Since this potentially changes the way existing imports are resolved, I'm labelling it semver breaking out of an abundance of caution. I wouldn't expect this to be disruptive, especially because `unstable_enablePackageExports` is already widely enabled in practice.
Leaving the flag in place so that anyone who runs into trouble has an escape hatch via `unstable_enablePackageExports: false`. This option will be removed in a later release.
Changelog:
```
- **[Breaking]**: Enable support for `package.json#exports` resolution by default.
```
Reviewed By: huntie
Differential Revision: D70463018
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This pull request was exported from Phabricator. Differential Revision: D70463018

@robhogan@facebook-github-bot
Breaking: Enableunstable_enablePackageExportsby default (#1448)
c0db98b
Summary:
Metro 0.81.3 added support for `package.json#imports` and addressed the main outstanding issue with `package.json#exports` - correct assertion of the `import` or `require` condition.
This flips `unstable_enablePackageExports` to `true` ahead of Metro 0.82.0 / RN 0.79-rc.0, which will allow some stabilisation time before this default reaches users.
Since this potentially changes the way existing imports are resolved, I'm labelling it semver breaking out of an abundance of caution. I wouldn't expect this to be disruptive, especially because `unstable_enablePackageExports` is already widely enabled in practice.
Leaving the flag in place so that anyone who runs into trouble has an escape hatch via `unstable_enablePackageExports: false`. This option will be removed in a later release.
Changelog:
```
- **[Breaking]**: Enable support for `package.json#exports` resolution by default.
```
Reviewed By: huntie
Differential Revision: D70463018
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This pull request was exported from Phabricator. Differential Revision: D70463018

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This pull request has been merged in 141946c.

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paschaldev pushed a commit to paschaldev/metro that referenced this pull request May 25, 2026
@robhogan
Breaking: Enableunstable_enablePackageExportsby default (react#1448)
017742c
@coderabbitaicoderabbitaiBot mentioned this pull request Aug 10, 2026
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paschaldev pushed a commit to paschaldev/metro that referenced this pull request Aug 15, 2026
@robhogan
Breaking: Enableunstable_enablePackageExportsby default (react#1448)
ad9c3ca
@coderabbitaicoderabbitaiBot mentioned this pull request Aug 17, 2026
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, '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" + '

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Breaking: Enable unstable_enablePackageExports by default - #1448
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Breaking: Enable unstable_enablePackageExports by default#1448
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@robhogan
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Summary:

Metro 0.81.3 added support for package.json#imports and addressed the main outstanding issue with package.json#exports - correct assertion of the import or require condition.
This flips unstable_enablePackageExports to true ahead of Metro 0.82.0 / RN 0.79-rc.0, which will allow some stabilisation time before this default reaches users.
Since this potentially changes the way existing imports are resolved, I'm labelling it semver breaking out of an abundance of caution. I wouldn't expect this to be disruptive, especially because unstable_enablePackageExports is already widely enabled in practice.
Leaving the flag in place so that anyone who runs into trouble has an escape hatch via unstable_enablePackageExports: false. This option will be removed in a later release.
Changelog:
 - **[Breaking]**: Enable support for `package.json#exports` resolution by default.

Reviewed By: huntie
Differential Revision: D70463018
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This pull request was exported from Phabricator. Differential Revision: D70463018
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This pull request was exported from Phabricator. Differential Revision: D70463018
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@robhogan@facebook-github-bot
Breaking: Enableunstable_enablePackageExportsby default (#1448)
c2fbac7
Summary:
Metro 0.81.3 added support for `package.json#imports` and addressed the main outstanding issue with `package.json#exports` - correct assertion of the `import` or `require` condition.
This flips `unstable_enablePackageExports` to `true` ahead of Metro 0.82.0 / RN 0.79-rc.0, which will allow some stabilisation time before this default reaches users.
Since this potentially changes the way existing imports are resolved, I'm labelling it semver breaking out of an abundance of caution. I wouldn't expect this to be disruptive, especially because `unstable_enablePackageExports` is already widely enabled in practice.
Leaving the flag in place so that anyone who runs into trouble has an escape hatch via `unstable_enablePackageExports: false`. This option will be removed in a later release.
Changelog:
```
- **[Breaking]**: Enable support for `package.json#exports` resolution by default.
```
Reviewed By: huntie
Differential Revision: D70463018
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This pull request was exported from Phabricator. Differential Revision: D70463018
@robhogan@facebook-github-bot
Breaking: Enableunstable_enablePackageExportsby default (#1448)
c0db98b
Summary:
Metro 0.81.3 added support for `package.json#imports` and addressed the main outstanding issue with `package.json#exports` - correct assertion of the `import` or `require` condition.
This flips `unstable_enablePackageExports` to `true` ahead of Metro 0.82.0 / RN 0.79-rc.0, which will allow some stabilisation time before this default reaches users.
Since this potentially changes the way existing imports are resolved, I'm labelling it semver breaking out of an abundance of caution. I wouldn't expect this to be disruptive, especially because `unstable_enablePackageExports` is already widely enabled in practice.
Leaving the flag in place so that anyone who runs into trouble has an escape hatch via `unstable_enablePackageExports: false`. This option will be removed in a later release.
Changelog:
```
- **[Breaking]**: Enable support for `package.json#exports` resolution by default.
```
Reviewed By: huntie
Differential Revision: D70463018
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This pull request was exported from Phabricator. Differential Revision: D70463018
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This pull request has been merged in 141946c.

This was referenced Mar 7, 2025
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paschaldev pushed a commit
to paschaldev/metro
that referenced
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May 25, 2026
@robhogan
Breaking: Enableunstable_enablePackageExportsby default (react#1448)
017742c
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paschaldev pushed a commit
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Breaking: Enableunstable_enablePackageExportsby default (react#1448)
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, '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
Breaking: Enable unstable_enablePackageExports by default - #1448
Closed
robhogan wants to merge 1 commit into
mainfrom 
export-D70463018
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Breaking: Enable unstable_enablePackageExports by default#1448
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@robhogan
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Mar 3, 2025

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Summary:

Metro 0.81.3 added support for package.json#imports and addressed the main outstanding issue with package.json#exports - correct assertion of the import or require condition.
This flips unstable_enablePackageExports to true ahead of Metro 0.82.0 / RN 0.79-rc.0, which will allow some stabilisation time before this default reaches users.
Since this potentially changes the way existing imports are resolved, I'm labelling it semver breaking out of an abundance of caution. I wouldn't expect this to be disruptive, especially because unstable_enablePackageExports is already widely enabled in practice.
Leaving the flag in place so that anyone who runs into trouble has an escape hatch via unstable_enablePackageExports: false. This option will be removed in a later release.
Changelog:
 - **[Breaking]**: Enable support for `package.json#exports` resolution by default.

Reviewed By: huntie
Differential Revision: D70463018
@facebook-github-botfacebook-github-bot
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This pull request was exported from Phabricator. Differential Revision: D70463018
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This pull request was exported from Phabricator. Differential Revision: D70463018
facebook-github-bot pushed a commit
that referenced
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Mar 3, 2025
@robhogan@facebook-github-bot
Breaking: Enableunstable_enablePackageExportsby default (#1448)
c2fbac7
Summary:
Metro 0.81.3 added support for `package.json#imports` and addressed the main outstanding issue with `package.json#exports` - correct assertion of the `import` or `require` condition.
This flips `unstable_enablePackageExports` to `true` ahead of Metro 0.82.0 / RN 0.79-rc.0, which will allow some stabilisation time before this default reaches users.
Since this potentially changes the way existing imports are resolved, I'm labelling it semver breaking out of an abundance of caution. I wouldn't expect this to be disruptive, especially because `unstable_enablePackageExports` is already widely enabled in practice.
Leaving the flag in place so that anyone who runs into trouble has an escape hatch via `unstable_enablePackageExports: false`. This option will be removed in a later release.
Changelog:
```
- **[Breaking]**: Enable support for `package.json#exports` resolution by default.
```
Reviewed By: huntie
Differential Revision: D70463018
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This pull request was exported from Phabricator. Differential Revision: D70463018
@robhogan@facebook-github-bot
Breaking: Enableunstable_enablePackageExportsby default (#1448)
c0db98b
Summary:
Metro 0.81.3 added support for `package.json#imports` and addressed the main outstanding issue with `package.json#exports` - correct assertion of the `import` or `require` condition.
This flips `unstable_enablePackageExports` to `true` ahead of Metro 0.82.0 / RN 0.79-rc.0, which will allow some stabilisation time before this default reaches users.
Since this potentially changes the way existing imports are resolved, I'm labelling it semver breaking out of an abundance of caution. I wouldn't expect this to be disruptive, especially because `unstable_enablePackageExports` is already widely enabled in practice.
Leaving the flag in place so that anyone who runs into trouble has an escape hatch via `unstable_enablePackageExports: false`. This option will be removed in a later release.
Changelog:
```
- **[Breaking]**: Enable support for `package.json#exports` resolution by default.
```
Reviewed By: huntie
Differential Revision: D70463018
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This pull request was exported from Phabricator. Differential Revision: D70463018
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This pull request has been merged in 141946c.

This was referenced Mar 7, 2025
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Mar 25, 2025
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This was referenced Apr 17, 2025

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Apr 17, 2025

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@nikosdouvlisnikosdouvlis
mentioned this pull request
Oct 17, 2025
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9 tasks
paschaldev pushed a commit
to paschaldev/metro
that referenced
this pull request
May 25, 2026
@robhogan
Breaking: Enableunstable_enablePackageExportsby default (react#1448)
017742c
@coderabbitaicoderabbitaiBot
mentioned this pull request
Aug 10, 2026
 Merged

paschaldev pushed a commit
to paschaldev/metro
that referenced
this pull request
Aug 15, 2026
@robhogan
Breaking: Enableunstable_enablePackageExportsby default (react#1448)
ad9c3ca
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Aug 17, 2026
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, '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('^' + ".*" + '

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Breaking: Enable unstable_enablePackageExports by default - #1448
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Breaking: Enable unstable_enablePackageExports by default#1448
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@robhogan
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Summary:

Metro 0.81.3 added support for package.json#imports and addressed the main outstanding issue with package.json#exports - correct assertion of the import or require condition.
This flips unstable_enablePackageExports to true ahead of Metro 0.82.0 / RN 0.79-rc.0, which will allow some stabilisation time before this default reaches users.
Since this potentially changes the way existing imports are resolved, I'm labelling it semver breaking out of an abundance of caution. I wouldn't expect this to be disruptive, especially because unstable_enablePackageExports is already widely enabled in practice.
Leaving the flag in place so that anyone who runs into trouble has an escape hatch via unstable_enablePackageExports: false. This option will be removed in a later release.
Changelog:
 - **[Breaking]**: Enable support for `package.json#exports` resolution by default.

Reviewed By: huntie
Differential Revision: D70463018
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facebook-github-bot pushed a commit
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Breaking: Enableunstable_enablePackageExportsby default (#1448)
c2fbac7
Summary:
Metro 0.81.3 added support for `package.json#imports` and addressed the main outstanding issue with `package.json#exports` - correct assertion of the `import` or `require` condition.
This flips `unstable_enablePackageExports` to `true` ahead of Metro 0.82.0 / RN 0.79-rc.0, which will allow some stabilisation time before this default reaches users.
Since this potentially changes the way existing imports are resolved, I'm labelling it semver breaking out of an abundance of caution. I wouldn't expect this to be disruptive, especially because `unstable_enablePackageExports` is already widely enabled in practice.
Leaving the flag in place so that anyone who runs into trouble has an escape hatch via `unstable_enablePackageExports: false`. This option will be removed in a later release.
Changelog:
```
- **[Breaking]**: Enable support for `package.json#exports` resolution by default.
```
Reviewed By: huntie
Differential Revision: D70463018
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This pull request was exported from Phabricator. Differential Revision: D70463018
@robhogan@facebook-github-bot
Breaking: Enableunstable_enablePackageExportsby default (#1448)
c0db98b
Summary:
Metro 0.81.3 added support for `package.json#imports` and addressed the main outstanding issue with `package.json#exports` - correct assertion of the `import` or `require` condition.
This flips `unstable_enablePackageExports` to `true` ahead of Metro 0.82.0 / RN 0.79-rc.0, which will allow some stabilisation time before this default reaches users.
Since this potentially changes the way existing imports are resolved, I'm labelling it semver breaking out of an abundance of caution. I wouldn't expect this to be disruptive, especially because `unstable_enablePackageExports` is already widely enabled in practice.
Leaving the flag in place so that anyone who runs into trouble has an escape hatch via `unstable_enablePackageExports: false`. This option will be removed in a later release.
Changelog:
```
- **[Breaking]**: Enable support for `package.json#exports` resolution by default.
```
Reviewed By: huntie
Differential Revision: D70463018
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This pull request was exported from Phabricator. Differential Revision: D70463018
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This pull request has been merged in 141946c.

This was referenced Mar 7, 2025
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This was referenced Apr 17, 2025

Closed

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@chungweileong94chungweileong94
mentioned this pull request
Apr 17, 2025

Closed

@nikosdouvlisnikosdouvlis
mentioned this pull request
Oct 17, 2025
 Merged

9 tasks
paschaldev pushed a commit
to paschaldev/metro
that referenced
this pull request
May 25, 2026
@robhogan
Breaking: Enableunstable_enablePackageExportsby default (react#1448)
017742c
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@robhogan
Breaking: Enableunstable_enablePackageExportsby default (react#1448)
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, '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" + '

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Breaking: Enable unstable_enablePackageExports by default - #1448
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Breaking: Enable unstable_enablePackageExports by default#1448
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@robhogan
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Summary:

Metro 0.81.3 added support for package.json#imports and addressed the main outstanding issue with package.json#exports - correct assertion of the import or require condition.
This flips unstable_enablePackageExports to true ahead of Metro 0.82.0 / RN 0.79-rc.0, which will allow some stabilisation time before this default reaches users.
Since this potentially changes the way existing imports are resolved, I'm labelling it semver breaking out of an abundance of caution. I wouldn't expect this to be disruptive, especially because unstable_enablePackageExports is already widely enabled in practice.
Leaving the flag in place so that anyone who runs into trouble has an escape hatch via unstable_enablePackageExports: false. This option will be removed in a later release.
Changelog:
 - **[Breaking]**: Enable support for `package.json#exports` resolution by default.

Reviewed By: huntie
Differential Revision: D70463018
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This pull request was exported from Phabricator. Differential Revision: D70463018
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This pull request was exported from Phabricator. Differential Revision: D70463018
facebook-github-bot pushed a commit
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@robhogan@facebook-github-bot
Breaking: Enableunstable_enablePackageExportsby default (#1448)
c2fbac7
Summary:
Metro 0.81.3 added support for `package.json#imports` and addressed the main outstanding issue with `package.json#exports` - correct assertion of the `import` or `require` condition.
This flips `unstable_enablePackageExports` to `true` ahead of Metro 0.82.0 / RN 0.79-rc.0, which will allow some stabilisation time before this default reaches users.
Since this potentially changes the way existing imports are resolved, I'm labelling it semver breaking out of an abundance of caution. I wouldn't expect this to be disruptive, especially because `unstable_enablePackageExports` is already widely enabled in practice.
Leaving the flag in place so that anyone who runs into trouble has an escape hatch via `unstable_enablePackageExports: false`. This option will be removed in a later release.
Changelog:
```
- **[Breaking]**: Enable support for `package.json#exports` resolution by default.
```
Reviewed By: huntie
Differential Revision: D70463018
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This pull request was exported from Phabricator. Differential Revision: D70463018
@robhogan@facebook-github-bot
Breaking: Enableunstable_enablePackageExportsby default (#1448)
c0db98b
Summary:
Metro 0.81.3 added support for `package.json#imports` and addressed the main outstanding issue with `package.json#exports` - correct assertion of the `import` or `require` condition.
This flips `unstable_enablePackageExports` to `true` ahead of Metro 0.82.0 / RN 0.79-rc.0, which will allow some stabilisation time before this default reaches users.
Since this potentially changes the way existing imports are resolved, I'm labelling it semver breaking out of an abundance of caution. I wouldn't expect this to be disruptive, especially because `unstable_enablePackageExports` is already widely enabled in practice.
Leaving the flag in place so that anyone who runs into trouble has an escape hatch via `unstable_enablePackageExports: false`. This option will be removed in a later release.
Changelog:
```
- **[Breaking]**: Enable support for `package.json#exports` resolution by default.
```
Reviewed By: huntie
Differential Revision: D70463018
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This pull request was exported from Phabricator. Differential Revision: D70463018
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This pull request has been merged in 141946c.

This was referenced Mar 7, 2025
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@nikosdouvlisnikosdouvlis
mentioned this pull request
Oct 17, 2025
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paschaldev pushed a commit
to paschaldev/metro
that referenced
this pull request
May 25, 2026
@robhogan
Breaking: Enableunstable_enablePackageExportsby default (react#1448)
017742c
@coderabbitaicoderabbitaiBot
mentioned this pull request
Aug 10, 2026
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paschaldev pushed a commit
to paschaldev/metro
that referenced
this pull request
Aug 15, 2026
@robhogan
Breaking: Enableunstable_enablePackageExportsby default (react#1448)
ad9c3ca
@coderabbitaicoderabbitaiBot
mentioned this pull request
Aug 17, 2026
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, '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
Breaking: Enable unstable_enablePackageExports by default - #1448
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robhogan wants to merge 1 commit into
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export-D70463018
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Breaking: Enable unstable_enablePackageExports by default#1448
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@robhogan
@robhoganrobhogan
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Mar 3, 2025

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Summary:

Metro 0.81.3 added support for package.json#imports and addressed the main outstanding issue with package.json#exports - correct assertion of the import or require condition.
This flips unstable_enablePackageExports to true ahead of Metro 0.82.0 / RN 0.79-rc.0, which will allow some stabilisation time before this default reaches users.
Since this potentially changes the way existing imports are resolved, I'm labelling it semver breaking out of an abundance of caution. I wouldn't expect this to be disruptive, especially because unstable_enablePackageExports is already widely enabled in practice.
Leaving the flag in place so that anyone who runs into trouble has an escape hatch via unstable_enablePackageExports: false. This option will be removed in a later release.
Changelog:
 - **[Breaking]**: Enable support for `package.json#exports` resolution by default.

Reviewed By: huntie
Differential Revision: D70463018
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This pull request was exported from Phabricator. Differential Revision: D70463018
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This pull request was exported from Phabricator. Differential Revision: D70463018
facebook-github-bot pushed a commit
that referenced
this pull request
Mar 3, 2025
@robhogan@facebook-github-bot
Breaking: Enableunstable_enablePackageExportsby default (#1448)
c2fbac7
Summary:
Metro 0.81.3 added support for `package.json#imports` and addressed the main outstanding issue with `package.json#exports` - correct assertion of the `import` or `require` condition.
This flips `unstable_enablePackageExports` to `true` ahead of Metro 0.82.0 / RN 0.79-rc.0, which will allow some stabilisation time before this default reaches users.
Since this potentially changes the way existing imports are resolved, I'm labelling it semver breaking out of an abundance of caution. I wouldn't expect this to be disruptive, especially because `unstable_enablePackageExports` is already widely enabled in practice.
Leaving the flag in place so that anyone who runs into trouble has an escape hatch via `unstable_enablePackageExports: false`. This option will be removed in a later release.
Changelog:
```
- **[Breaking]**: Enable support for `package.json#exports` resolution by default.
```
Reviewed By: huntie
Differential Revision: D70463018
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This pull request was exported from Phabricator. Differential Revision: D70463018
@robhogan@facebook-github-bot
Breaking: Enableunstable_enablePackageExportsby default (#1448)
c0db98b
Summary:
Metro 0.81.3 added support for `package.json#imports` and addressed the main outstanding issue with `package.json#exports` - correct assertion of the `import` or `require` condition.
This flips `unstable_enablePackageExports` to `true` ahead of Metro 0.82.0 / RN 0.79-rc.0, which will allow some stabilisation time before this default reaches users.
Since this potentially changes the way existing imports are resolved, I'm labelling it semver breaking out of an abundance of caution. I wouldn't expect this to be disruptive, especially because `unstable_enablePackageExports` is already widely enabled in practice.
Leaving the flag in place so that anyone who runs into trouble has an escape hatch via `unstable_enablePackageExports: false`. This option will be removed in a later release.
Changelog:
```
- **[Breaking]**: Enable support for `package.json#exports` resolution by default.
```
Reviewed By: huntie
Differential Revision: D70463018
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This pull request was exported from Phabricator. Differential Revision: D70463018
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This pull request has been merged in 141946c.

This was referenced Mar 7, 2025
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Mar 25, 2025
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This was referenced Apr 17, 2025

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@chungweileong94chungweileong94
mentioned this pull request
Apr 17, 2025

Closed

@nikosdouvlisnikosdouvlis
mentioned this pull request
Oct 17, 2025
 Merged

9 tasks
paschaldev pushed a commit
to paschaldev/metro
that referenced
this pull request
May 25, 2026
@robhogan
Breaking: Enableunstable_enablePackageExportsby default (react#1448)
017742c
@coderabbitaicoderabbitaiBot
mentioned this pull request
Aug 10, 2026
 Merged

paschaldev pushed a commit
to paschaldev/metro
that referenced
this pull request
Aug 15, 2026
@robhogan
Breaking: Enableunstable_enablePackageExportsby default (react#1448)
ad9c3ca
@coderabbitaicoderabbitaiBot
mentioned this pull request
Aug 17, 2026
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@robhogan@facebook-github-bot

, '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
Breaking: Enable unstable_enablePackageExports by default - #1448
Closed
robhogan wants to merge 1 commit into
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export-D70463018
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Breaking: Enable unstable_enablePackageExports by default#1448
robhogan wants to merge 1 commit into
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@robhogan
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Mar 3, 2025

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Summary:

Metro 0.81.3 added support for package.json#imports and addressed the main outstanding issue with package.json#exports - correct assertion of the import or require condition.
This flips unstable_enablePackageExports to true ahead of Metro 0.82.0 / RN 0.79-rc.0, which will allow some stabilisation time before this default reaches users.
Since this potentially changes the way existing imports are resolved, I'm labelling it semver breaking out of an abundance of caution. I wouldn't expect this to be disruptive, especially because unstable_enablePackageExports is already widely enabled in practice.
Leaving the flag in place so that anyone who runs into trouble has an escape hatch via unstable_enablePackageExports: false. This option will be removed in a later release.
Changelog:
 - **[Breaking]**: Enable support for `package.json#exports` resolution by default.

Reviewed By: huntie
Differential Revision: D70463018
@facebook-github-botfacebook-github-bot
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This pull request was exported from Phabricator. Differential Revision: D70463018
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This pull request was exported from Phabricator. Differential Revision: D70463018
facebook-github-bot pushed a commit
that referenced
this pull request
Mar 3, 2025
@robhogan@facebook-github-bot
Breaking: Enableunstable_enablePackageExportsby default (#1448)
c2fbac7
Summary:
Metro 0.81.3 added support for `package.json#imports` and addressed the main outstanding issue with `package.json#exports` - correct assertion of the `import` or `require` condition.
This flips `unstable_enablePackageExports` to `true` ahead of Metro 0.82.0 / RN 0.79-rc.0, which will allow some stabilisation time before this default reaches users.
Since this potentially changes the way existing imports are resolved, I'm labelling it semver breaking out of an abundance of caution. I wouldn't expect this to be disruptive, especially because `unstable_enablePackageExports` is already widely enabled in practice.
Leaving the flag in place so that anyone who runs into trouble has an escape hatch via `unstable_enablePackageExports: false`. This option will be removed in a later release.
Changelog:
```
- **[Breaking]**: Enable support for `package.json#exports` resolution by default.
```
Reviewed By: huntie
Differential Revision: D70463018
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This pull request was exported from Phabricator. Differential Revision: D70463018
@robhogan@facebook-github-bot
Breaking: Enableunstable_enablePackageExportsby default (#1448)
c0db98b
Summary:
Metro 0.81.3 added support for `package.json#imports` and addressed the main outstanding issue with `package.json#exports` - correct assertion of the `import` or `require` condition.
This flips `unstable_enablePackageExports` to `true` ahead of Metro 0.82.0 / RN 0.79-rc.0, which will allow some stabilisation time before this default reaches users.
Since this potentially changes the way existing imports are resolved, I'm labelling it semver breaking out of an abundance of caution. I wouldn't expect this to be disruptive, especially because `unstable_enablePackageExports` is already widely enabled in practice.
Leaving the flag in place so that anyone who runs into trouble has an escape hatch via `unstable_enablePackageExports: false`. This option will be removed in a later release.
Changelog:
```
- **[Breaking]**: Enable support for `package.json#exports` resolution by default.
```
Reviewed By: huntie
Differential Revision: D70463018
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This pull request was exported from Phabricator. Differential Revision: D70463018
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This pull request has been merged in 141946c.

This was referenced Mar 7, 2025
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Mar 25, 2025
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This was referenced Apr 17, 2025

Closed

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@chungweileong94chungweileong94
mentioned this pull request
Apr 17, 2025

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@nikosdouvlisnikosdouvlis
mentioned this pull request
Oct 17, 2025
 Merged

9 tasks
paschaldev pushed a commit
to paschaldev/metro
that referenced
this pull request
May 25, 2026
@robhogan
Breaking: Enableunstable_enablePackageExportsby default (react#1448)
017742c
@coderabbitaicoderabbitaiBot
mentioned this pull request
Aug 10, 2026
 Merged

paschaldev pushed a commit
to paschaldev/metro
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Aug 15, 2026
@robhogan
Breaking: Enableunstable_enablePackageExportsby default (react#1448)
ad9c3ca
@coderabbitaicoderabbitaiBot
mentioned this pull request
Aug 17, 2026
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, '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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Breaking: Enable unstable_enablePackageExports by default - #1448
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robhogan wants to merge 1 commit into
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export-D70463018
Closed
Breaking: Enable unstable_enablePackageExports by default#1448
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@robhogan
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Mar 3, 2025

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Summary:

Metro 0.81.3 added support for package.json#imports and addressed the main outstanding issue with package.json#exports - correct assertion of the import or require condition.
This flips unstable_enablePackageExports to true ahead of Metro 0.82.0 / RN 0.79-rc.0, which will allow some stabilisation time before this default reaches users.
Since this potentially changes the way existing imports are resolved, I'm labelling it semver breaking out of an abundance of caution. I wouldn't expect this to be disruptive, especially because unstable_enablePackageExports is already widely enabled in practice.
Leaving the flag in place so that anyone who runs into trouble has an escape hatch via unstable_enablePackageExports: false. This option will be removed in a later release.
Changelog:
 - **[Breaking]**: Enable support for `package.json#exports` resolution by default.

Reviewed By: huntie
Differential Revision: D70463018
@facebook-github-botfacebook-github-bot
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This pull request was exported from Phabricator. Differential Revision: D70463018
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This pull request was exported from Phabricator. Differential Revision: D70463018
facebook-github-bot pushed a commit
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Mar 3, 2025
@robhogan@facebook-github-bot
Breaking: Enableunstable_enablePackageExportsby default (#1448)
c2fbac7
Summary:
Metro 0.81.3 added support for `package.json#imports` and addressed the main outstanding issue with `package.json#exports` - correct assertion of the `import` or `require` condition.
This flips `unstable_enablePackageExports` to `true` ahead of Metro 0.82.0 / RN 0.79-rc.0, which will allow some stabilisation time before this default reaches users.
Since this potentially changes the way existing imports are resolved, I'm labelling it semver breaking out of an abundance of caution. I wouldn't expect this to be disruptive, especially because `unstable_enablePackageExports` is already widely enabled in practice.
Leaving the flag in place so that anyone who runs into trouble has an escape hatch via `unstable_enablePackageExports: false`. This option will be removed in a later release.
Changelog:
```
- **[Breaking]**: Enable support for `package.json#exports` resolution by default.
```
Reviewed By: huntie
Differential Revision: D70463018
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This pull request was exported from Phabricator. Differential Revision: D70463018
@robhogan@facebook-github-bot
Breaking: Enableunstable_enablePackageExportsby default (#1448)
c0db98b
Summary:
Metro 0.81.3 added support for `package.json#imports` and addressed the main outstanding issue with `package.json#exports` - correct assertion of the `import` or `require` condition.
This flips `unstable_enablePackageExports` to `true` ahead of Metro 0.82.0 / RN 0.79-rc.0, which will allow some stabilisation time before this default reaches users.
Since this potentially changes the way existing imports are resolved, I'm labelling it semver breaking out of an abundance of caution. I wouldn't expect this to be disruptive, especially because `unstable_enablePackageExports` is already widely enabled in practice.
Leaving the flag in place so that anyone who runs into trouble has an escape hatch via `unstable_enablePackageExports: false`. This option will be removed in a later release.
Changelog:
```
- **[Breaking]**: Enable support for `package.json#exports` resolution by default.
```
Reviewed By: huntie
Differential Revision: D70463018
@facebook-github-bot
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Mar 4, 2025

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This pull request was exported from Phabricator. Differential Revision: D70463018
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Mar 4, 2025

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This pull request has been merged in 141946c.

This was referenced Mar 7, 2025
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This was referenced Apr 17, 2025

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@nikosdouvlisnikosdouvlis
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Oct 17, 2025
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paschaldev pushed a commit
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May 25, 2026
@robhogan
Breaking: Enableunstable_enablePackageExportsby default (react#1448)
017742c
@coderabbitaicoderabbitaiBot
mentioned this pull request
Aug 10, 2026
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paschaldev pushed a commit
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Aug 15, 2026
@robhogan
Breaking: Enableunstable_enablePackageExportsby default (react#1448)
ad9c3ca
@coderabbitaicoderabbitaiBot
mentioned this pull request
Aug 17, 2026
 Closed

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