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Use ease-in-out curve for trace viewer click-to-focus zoom - #2835

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Use ease-in-out curve for trace viewer click-to-focus zoom#2835
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What

Clicking a step in the new trace viewer zooms/pans the timeline camera to frame that span. The reframe animation used a weak quadratic ease-out over 150ms, which read as a near-linear snap.

This switches it to a stronger easeInOutQuart curve (≈ cubic-bezier(0.77, 0, 0.175, 1)) over 240ms, so the camera accelerates off the current framing and decelerates into the target — a smooth move rather than a flat slide. The same animateTo also powers reset-to-full-view and minimap click-to-jump, so those get the smoother curve too.

Reduced-motion still snaps straight to the target with no animation.

Change

- const t = Math.min((performance.now() - anim.start) / 150, 1);- const e = 1 - (1 - t) * (1 - t);+ const t = Math.min((performance.now() - anim.start) / 240, 1);+ const e = t < 0.5 ? 8 * t * t * t * t : 1 - (-2 * t + 2) ** 4 / 2;

🤖 Generated with Claude Code

@mitul-s@claude
Use ease-in-out curve for trace viewer click-to-focus zoom
48234fc
The click-to-focus viewport reframe used a weak quadratic ease-out over
150ms, which read as a near-linear snap. Switch to a stronger
easeInOutQuart curve (~cubic-bezier(0.77, 0, 0.175, 1)) over 240ms so the
camera zoom/pan accelerates and decelerates like a smooth move.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
@mitul-s
mitul-s requested review from a team and ijjk as code ownersJuly 8, 2026 21:41
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🦋 Changeset detected

Latest commit: 48234fc

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 16 packages
NameType
@workflow/web-sharedPatch
@workflow/webPatch
@workflow/cliPatch
@workflow/nitroPatch
workflowPatch
@workflow/world-testingPatch
@workflow/nuxtPatch
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@mitul-s
mitul-s enabled auto-merge (squash) July 8, 2026 21:42
@mitul-s
mitul-s merged commit cfdb86d into mainJul 8, 2026
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@mitul-s
mitul-s deleted the ms/trace-viewer-easing branch July 8, 2026 21:47
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No backport to stable for cfdb86d (AI decision).

The commit only modifies packages/web-shared/src/components/new-trace-viewer/trace-viewer.tsx, a file that does not exist on stable (verified via git ls-tree — stable only has the older trace-viewer/ directory, not new-trace-viewer/). The change tweaks animation easing in a main-only feature, so there is nothing on stable to backport it to.

To override, re-run the Backport to stable workflow manually via workflow_dispatch and paste this commit SHA into the ref input:

cfdb86dc73fd8bf3c5eec706e6defc2ddcb7f439

This was referenced Jul 8, 2026
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Use ease-in-out curve for trace viewer click-to-focus zoom by mitul-s · Pull Request #2835 · vercel/workflow · GitHub
Skip to content
Use ease-in-out curve for trace viewer click-to-focus zoom - #2835
Merged
mitul-s merged 1 commit into
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ms/trace-viewer-easing
Jul 8, 2026
Merged
Use ease-in-out curve for trace viewer click-to-focus zoom#2835
mitul-s merged 1 commit into
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ms/trace-viewer-easing
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@mitul-s
@mitul-smitul-s
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Jul 8, 2026

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What
Clicking a step in the new trace viewer zooms/pans the timeline camera to frame that span. The reframe animation used a weak quadratic ease-out over 150ms, which read as a near-linear snap.
This switches it to a stronger easeInOutQuart curve (≈ cubic-bezier(0.77, 0, 0.175, 1)) over 240ms, so the camera accelerates off the current framing and decelerates into the target — a smooth move rather than a flat slide. The same animateTo also powers reset-to-full-view and minimap click-to-jump, so those get the smoother curve too.
Reduced-motion still snaps straight to the target with no animation.
Change
- const t = Math.min((performance.now() - anim.start) / 150, 1);- const e = 1 - (1 - t) * (1 - t);+ const t = Math.min((performance.now() - anim.start) / 240, 1);+ const e = t < 0.5 ? 8 * t * t * t * t : 1 - (-2 * t + 2) ** 4 / 2;
🤖 Generated with Claude Code
@mitul-s@claude
Use ease-in-out curve for trace viewer click-to-focus zoom
48234fc
The click-to-focus viewport reframe used a weak quadratic ease-out over
150ms, which read as a near-linear snap. Switch to a stronger
easeInOutQuart curve (~cubic-bezier(0.77, 0, 0.175, 1)) over 240ms so the
camera zoom/pan accelerates and decelerates like a smooth move.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
@mitul-s
mitul-s
requested review from
a team and ijjk
as code ownersJuly 8, 2026 21:41
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🦋 Changeset detected
Latest commit: 48234fc
The changes in this PR will be included in the next version bump.
This PR includes changesets to release 16 packages
NameType
@workflow/web-sharedPatch
@workflow/webPatch
@workflow/cliPatch
@workflow/nitroPatch
workflowPatch
@workflow/world-testingPatch
@workflow/nuxtPatch
@workflow/corePatch
@workflow/buildersPatch
@workflow/nextPatch
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@mitul-s
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enabled auto-merge (squash)
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No backport to stable for cfdb86d (AI decision).
The commit only modifies packages/web-shared/src/components/new-trace-viewer/trace-viewer.tsx, a file that does not exist on stable (verified via git ls-tree — stable only has the older trace-viewer/ directory, not new-trace-viewer/). The change tweaks animation easing in a main-only feature, so there is nothing on stable to backport it to.
To override, re-run the Backport to stable workflow manually via workflow_dispatch and paste this commit SHA into the ref input:
cfdb86dc73fd8bf3c5eec706e6defc2ddcb7f439


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Use ease-in-out curve for trace viewer click-to-focus zoom by mitul-s · Pull Request #2835 · vercel/workflow · GitHub
Skip to content
Use ease-in-out curve for trace viewer click-to-focus zoom - #2835
Merged
mitul-s merged 1 commit into
mainfrom 
ms/trace-viewer-easing
Jul 8, 2026
Merged
Use ease-in-out curve for trace viewer click-to-focus zoom#2835
mitul-s merged 1 commit into
mainfrom 
ms/trace-viewer-easing
Conversation
@mitul-s
@mitul-smitul-s
commented
Jul 8, 2026

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What
Clicking a step in the new trace viewer zooms/pans the timeline camera to frame that span. The reframe animation used a weak quadratic ease-out over 150ms, which read as a near-linear snap.
This switches it to a stronger easeInOutQuart curve (≈ cubic-bezier(0.77, 0, 0.175, 1)) over 240ms, so the camera accelerates off the current framing and decelerates into the target — a smooth move rather than a flat slide. The same animateTo also powers reset-to-full-view and minimap click-to-jump, so those get the smoother curve too.
Reduced-motion still snaps straight to the target with no animation.
Change
- const t = Math.min((performance.now() - anim.start) / 150, 1);- const e = 1 - (1 - t) * (1 - t);+ const t = Math.min((performance.now() - anim.start) / 240, 1);+ const e = t < 0.5 ? 8 * t * t * t * t : 1 - (-2 * t + 2) ** 4 / 2;
🤖 Generated with Claude Code
@mitul-s@claude
Use ease-in-out curve for trace viewer click-to-focus zoom
48234fc
The click-to-focus viewport reframe used a weak quadratic ease-out over
150ms, which read as a near-linear snap. Switch to a stronger
easeInOutQuart curve (~cubic-bezier(0.77, 0, 0.175, 1)) over 240ms so the
camera zoom/pan accelerates and decelerates like a smooth move.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
@mitul-s
mitul-s
requested review from
a team and ijjk
as code ownersJuly 8, 2026 21:41
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🦋 Changeset detected
Latest commit: 48234fc
The changes in this PR will be included in the next version bump.
This PR includes changesets to release 16 packages
NameType
@workflow/web-sharedPatch
@workflow/webPatch
@workflow/cliPatch
@workflow/nitroPatch
workflowPatch
@workflow/world-testingPatch
@workflow/nuxtPatch
@workflow/corePatch
@workflow/buildersPatch
@workflow/nextPatch
@workflow/vitestPatch
@workflow/astroPatch
@workflow/nestPatch
@workflow/rollupPatch
@workflow/sveltekitPatch
@workflow/vitePatch
Not sure what this means? Click here to learn what changesets are.
Click here if you're a maintainer who wants to add another changeset to this PR
@mitul-s
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enabled auto-merge (squash)
July 8, 2026 21:42
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merged commit cfdb86d
into
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59 checks passed

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ms/trace-viewer-easing

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No backport to stable for cfdb86d (AI decision).
The commit only modifies packages/web-shared/src/components/new-trace-viewer/trace-viewer.tsx, a file that does not exist on stable (verified via git ls-tree — stable only has the older trace-viewer/ directory, not new-trace-viewer/). The change tweaks animation easing in a main-only feature, so there is nothing on stable to backport it to.
To override, re-run the Backport to stable workflow manually via workflow_dispatch and paste this commit SHA into the ref input:
cfdb86dc73fd8bf3c5eec706e6defc2ddcb7f439


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Use ease-in-out curve for trace viewer click-to-focus zoom by mitul-s · Pull Request #2835 · vercel/workflow · GitHub
Skip to content
Use ease-in-out curve for trace viewer click-to-focus zoom - #2835
Merged
mitul-s merged 1 commit into
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ms/trace-viewer-easing
Jul 8, 2026
Merged
Use ease-in-out curve for trace viewer click-to-focus zoom#2835
mitul-s merged 1 commit into
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ms/trace-viewer-easing
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What
Clicking a step in the new trace viewer zooms/pans the timeline camera to frame that span. The reframe animation used a weak quadratic ease-out over 150ms, which read as a near-linear snap.
This switches it to a stronger easeInOutQuart curve (≈ cubic-bezier(0.77, 0, 0.175, 1)) over 240ms, so the camera accelerates off the current framing and decelerates into the target — a smooth move rather than a flat slide. The same animateTo also powers reset-to-full-view and minimap click-to-jump, so those get the smoother curve too.
Reduced-motion still snaps straight to the target with no animation.
Change
- const t = Math.min((performance.now() - anim.start) / 150, 1);- const e = 1 - (1 - t) * (1 - t);+ const t = Math.min((performance.now() - anim.start) / 240, 1);+ const e = t < 0.5 ? 8 * t * t * t * t : 1 - (-2 * t + 2) ** 4 / 2;
🤖 Generated with Claude Code
@mitul-s@claude
Use ease-in-out curve for trace viewer click-to-focus zoom
48234fc
The click-to-focus viewport reframe used a weak quadratic ease-out over
150ms, which read as a near-linear snap. Switch to a stronger
easeInOutQuart curve (~cubic-bezier(0.77, 0, 0.175, 1)) over 240ms so the
camera zoom/pan accelerates and decelerates like a smooth move.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
@mitul-s
mitul-s
requested review from
a team and ijjk
as code ownersJuly 8, 2026 21:41
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🦋 Changeset detected
Latest commit: 48234fc
The changes in this PR will be included in the next version bump.
This PR includes changesets to release 16 packages
NameType
@workflow/web-sharedPatch
@workflow/webPatch
@workflow/cliPatch
@workflow/nitroPatch
workflowPatch
@workflow/world-testingPatch
@workflow/nuxtPatch
@workflow/corePatch
@workflow/buildersPatch
@workflow/nextPatch
@workflow/vitestPatch
@workflow/astroPatch
@workflow/nestPatch
@workflow/rollupPatch
@workflow/sveltekitPatch
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No backport to stable for cfdb86d (AI decision).
The commit only modifies packages/web-shared/src/components/new-trace-viewer/trace-viewer.tsx, a file that does not exist on stable (verified via git ls-tree — stable only has the older trace-viewer/ directory, not new-trace-viewer/). The change tweaks animation easing in a main-only feature, so there is nothing on stable to backport it to.
To override, re-run the Backport to stable workflow manually via workflow_dispatch and paste this commit SHA into the ref input:
cfdb86dc73fd8bf3c5eec706e6defc2ddcb7f439


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, 'i');
if (__m === '*' || __re.test(location.href)) {
// Strip utm_, fbclid, gclid, etc. from all links on page
(function() {
var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',
'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',
'ref', 'ref_src', 'source', 'medium', 'campaign'];
function cleanUrl(url) {
try {
var u = new URL(url, window.location.origin);
var changed = false;
trackingParams.forEach(function(p) {
if (u.searchParams.has(p)) {
u.searchParams.delete(p);
changed = true;
}
});
return changed ? u.toString() : url;
} catch (e) {
return url;
}
}
function cleanLinks() {
document.querySelectorAll('a[href]').forEach(function(a) {
var clean = cleanUrl(a.href);
if (clean !== a.href) a.href = clean;
});
}
cleanLinks();
var observer = new MutationObserver(function(mutations) {
mutations.forEach(function(m) {
m.addedNodes.forEach(function(node) {
if (node.nodeType === 1) {
if (node.tagName === 'A') cleanLinks();
node.querySelectorAll('a[href]').forEach(function(a) {
var clean = cleanUrl(a.href);
if (clean !== a.href) a.href = clean;
});
}
});
});
});
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '
Use ease-in-out curve for trace viewer click-to-focus zoom by mitul-s · Pull Request #2835 · vercel/workflow · GitHub
Skip to content
Use ease-in-out curve for trace viewer click-to-focus zoom - #2835
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mitul-s merged 1 commit into
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Use ease-in-out curve for trace viewer click-to-focus zoom#2835
mitul-s merged 1 commit into
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@mitul-s
@mitul-smitul-s
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What
Clicking a step in the new trace viewer zooms/pans the timeline camera to frame that span. The reframe animation used a weak quadratic ease-out over 150ms, which read as a near-linear snap.
This switches it to a stronger easeInOutQuart curve (≈ cubic-bezier(0.77, 0, 0.175, 1)) over 240ms, so the camera accelerates off the current framing and decelerates into the target — a smooth move rather than a flat slide. The same animateTo also powers reset-to-full-view and minimap click-to-jump, so those get the smoother curve too.
Reduced-motion still snaps straight to the target with no animation.
Change
- const t = Math.min((performance.now() - anim.start) / 150, 1);- const e = 1 - (1 - t) * (1 - t);+ const t = Math.min((performance.now() - anim.start) / 240, 1);+ const e = t < 0.5 ? 8 * t * t * t * t : 1 - (-2 * t + 2) ** 4 / 2;
🤖 Generated with Claude Code
@mitul-s@claude
Use ease-in-out curve for trace viewer click-to-focus zoom
48234fc
The click-to-focus viewport reframe used a weak quadratic ease-out over
150ms, which read as a near-linear snap. Switch to a stronger
easeInOutQuart curve (~cubic-bezier(0.77, 0, 0.175, 1)) over 240ms so the
camera zoom/pan accelerates and decelerates like a smooth move.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
@mitul-s
mitul-s
requested review from
a team and ijjk
as code ownersJuly 8, 2026 21:41
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🦋 Changeset detected
Latest commit: 48234fc
The changes in this PR will be included in the next version bump.
This PR includes changesets to release 16 packages
NameType
@workflow/web-sharedPatch
@workflow/webPatch
@workflow/cliPatch
@workflow/nitroPatch
workflowPatch
@workflow/world-testingPatch
@workflow/nuxtPatch
@workflow/corePatch
@workflow/buildersPatch
@workflow/nextPatch
@workflow/vitestPatch
@workflow/astroPatch
@workflow/nestPatch
@workflow/rollupPatch
@workflow/sveltekitPatch
@workflow/vitePatch
Not sure what this means? Click here to learn what changesets are.
Click here if you're a maintainer who wants to add another changeset to this PR
@mitul-s
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enabled auto-merge (squash)
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@mitul-s
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merged commit cfdb86d
into
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59 checks passed

@mitul-s
mitul-s
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branch
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No backport to stable for cfdb86d (AI decision).
The commit only modifies packages/web-shared/src/components/new-trace-viewer/trace-viewer.tsx, a file that does not exist on stable (verified via git ls-tree — stable only has the older trace-viewer/ directory, not new-trace-viewer/). The change tweaks animation easing in a main-only feature, so there is nothing on stable to backport it to.
To override, re-run the Backport to stable workflow manually via workflow_dispatch and paste this commit SHA into the ref input:
cfdb86dc73fd8bf3c5eec706e6defc2ddcb7f439


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, 'i');
if (__m === '*' || __re.test(location.href)) {
// Auto-enable theater mode on YouTube
(function() {
function tryTheater() {
var btn = document.querySelector('button[aria-label="Theater mode"], ytd-player #player button[title="Theater mode"]');
if (btn && !btn.classList.contains('activated')) {
btn.click();
}
}
// Try immediately
tryTheater();
// Try after navigation (SPA)
var lastUrl = location.href;
setInterval(function() {
if (location.href !== lastUrl) {
lastUrl = location.href;
setTimeout(tryTheater, 500);
}
}, 1000);
// Also try on player load
var observer = new MutationObserver(tryTheater);
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
Use ease-in-out curve for trace viewer click-to-focus zoom by mitul-s · Pull Request #2835 · vercel/workflow · GitHub
Skip to content
Use ease-in-out curve for trace viewer click-to-focus zoom - #2835
Merged
mitul-s merged 1 commit into
mainfrom 
ms/trace-viewer-easing
Jul 8, 2026
Merged
Use ease-in-out curve for trace viewer click-to-focus zoom#2835
mitul-s merged 1 commit into
mainfrom 
ms/trace-viewer-easing
Conversation
@mitul-s
@mitul-smitul-s
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Jul 8, 2026

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What
Clicking a step in the new trace viewer zooms/pans the timeline camera to frame that span. The reframe animation used a weak quadratic ease-out over 150ms, which read as a near-linear snap.
This switches it to a stronger easeInOutQuart curve (≈ cubic-bezier(0.77, 0, 0.175, 1)) over 240ms, so the camera accelerates off the current framing and decelerates into the target — a smooth move rather than a flat slide. The same animateTo also powers reset-to-full-view and minimap click-to-jump, so those get the smoother curve too.
Reduced-motion still snaps straight to the target with no animation.
Change
- const t = Math.min((performance.now() - anim.start) / 150, 1);- const e = 1 - (1 - t) * (1 - t);+ const t = Math.min((performance.now() - anim.start) / 240, 1);+ const e = t < 0.5 ? 8 * t * t * t * t : 1 - (-2 * t + 2) ** 4 / 2;
🤖 Generated with Claude Code
@mitul-s@claude
Use ease-in-out curve for trace viewer click-to-focus zoom
48234fc
The click-to-focus viewport reframe used a weak quadratic ease-out over
150ms, which read as a near-linear snap. Switch to a stronger
easeInOutQuart curve (~cubic-bezier(0.77, 0, 0.175, 1)) over 240ms so the
camera zoom/pan accelerates and decelerates like a smooth move.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
@mitul-s
mitul-s
requested review from
a team and ijjk
as code ownersJuly 8, 2026 21:41
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workbench-astro-workflowReadyReadyPreview, CommentJul 8, 2026 9:45pm
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workbench-nuxt-workflowReadyReadyPreview, CommentJul 8, 2026 9:45pm
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workbench-tanstack-start-workflowReadyReadyPreview, CommentJul 8, 2026 9:45pm
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workflow-docsReadyReadyPreview, Comment, Open in v0Jul 8, 2026 9:45pm
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workflow-webReadyReadyPreview, CommentJul 8, 2026 9:45pm
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🦋 Changeset detected
Latest commit: 48234fc
The changes in this PR will be included in the next version bump.
This PR includes changesets to release 16 packages
NameType
@workflow/web-sharedPatch
@workflow/webPatch
@workflow/cliPatch
@workflow/nitroPatch
workflowPatch
@workflow/world-testingPatch
@workflow/nuxtPatch
@workflow/corePatch
@workflow/buildersPatch
@workflow/nextPatch
@workflow/vitestPatch
@workflow/astroPatch
@workflow/nestPatch
@workflow/rollupPatch
@workflow/sveltekitPatch
@workflow/vitePatch
Not sure what this means? Click here to learn what changesets are.
Click here if you're a maintainer who wants to add another changeset to this PR
@mitul-s
mitul-s
enabled auto-merge (squash)
July 8, 2026 21:42
@mitul-s
mitul-s
merged commit cfdb86d
into
mainJul 8, 2026

59 checks passed

@mitul-s
mitul-s
deleted the

ms/trace-viewer-easing

branch
July 8, 2026 21:47
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No backport to stable for cfdb86d (AI decision).
The commit only modifies packages/web-shared/src/components/new-trace-viewer/trace-viewer.tsx, a file that does not exist on stable (verified via git ls-tree — stable only has the older trace-viewer/ directory, not new-trace-viewer/). The change tweaks animation easing in a main-only feature, so there is nothing on stable to backport it to.
To override, re-run the Backport to stable workflow manually via workflow_dispatch and paste this commit SHA into the ref input:
cfdb86dc73fd8bf3c5eec706e6defc2ddcb7f439


This was referenced Jul 8, 2026
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, 'i');
if (__m === '*' || __re.test(location.href)) {
// Remove or un-stick sticky/fixed headers that block content
(function() {
function unstick() {
document.querySelectorAll('header, nav, [role="banner"], .header, .navbar, .sticky, .fixed-top, [style*="position: fixed"], [style*="position:sticky"]').forEach(function(el) {
if (el.style.position === 'fixed' || el.style.position === 'sticky' || getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {
el.style.position = 'static';
el.style.top = 'auto';
el.style.zIndex = 'auto';
}
});
}
unstick();
var observer = new MutationObserver(unstick);
observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });
})();
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
Use ease-in-out curve for trace viewer click-to-focus zoom by mitul-s · Pull Request #2835 · vercel/workflow · GitHub
Skip to content
Use ease-in-out curve for trace viewer click-to-focus zoom - #2835
Merged
mitul-s merged 1 commit into
mainfrom 
ms/trace-viewer-easing
Jul 8, 2026
Merged
Use ease-in-out curve for trace viewer click-to-focus zoom#2835
mitul-s merged 1 commit into
mainfrom 
ms/trace-viewer-easing
Conversation
@mitul-s
@mitul-smitul-s
commented
Jul 8, 2026

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What
Clicking a step in the new trace viewer zooms/pans the timeline camera to frame that span. The reframe animation used a weak quadratic ease-out over 150ms, which read as a near-linear snap.
This switches it to a stronger easeInOutQuart curve (≈ cubic-bezier(0.77, 0, 0.175, 1)) over 240ms, so the camera accelerates off the current framing and decelerates into the target — a smooth move rather than a flat slide. The same animateTo also powers reset-to-full-view and minimap click-to-jump, so those get the smoother curve too.
Reduced-motion still snaps straight to the target with no animation.
Change
- const t = Math.min((performance.now() - anim.start) / 150, 1);- const e = 1 - (1 - t) * (1 - t);+ const t = Math.min((performance.now() - anim.start) / 240, 1);+ const e = t < 0.5 ? 8 * t * t * t * t : 1 - (-2 * t + 2) ** 4 / 2;
🤖 Generated with Claude Code
@mitul-s@claude
Use ease-in-out curve for trace viewer click-to-focus zoom
48234fc
The click-to-focus viewport reframe used a weak quadratic ease-out over
150ms, which read as a near-linear snap. Switch to a stronger
easeInOutQuart curve (~cubic-bezier(0.77, 0, 0.175, 1)) over 240ms so the
camera zoom/pan accelerates and decelerates like a smooth move.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
@mitul-s
mitul-s
requested review from
a team and ijjk
as code ownersJuly 8, 2026 21:41
@vercel
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workflow-webReadyReadyPreview, CommentJul 8, 2026 9:45pm
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🦋 Changeset detected
Latest commit: 48234fc
The changes in this PR will be included in the next version bump.
This PR includes changesets to release 16 packages
NameType
@workflow/web-sharedPatch
@workflow/webPatch
@workflow/cliPatch
@workflow/nitroPatch
workflowPatch
@workflow/world-testingPatch
@workflow/nuxtPatch
@workflow/corePatch
@workflow/buildersPatch
@workflow/nextPatch
@workflow/vitestPatch
@workflow/astroPatch
@workflow/nestPatch
@workflow/rollupPatch
@workflow/sveltekitPatch
@workflow/vitePatch
Not sure what this means? Click here to learn what changesets are.
Click here if you're a maintainer who wants to add another changeset to this PR
@mitul-s
mitul-s
enabled auto-merge (squash)
July 8, 2026 21:42
@mitul-s
mitul-s
merged commit cfdb86d
into
mainJul 8, 2026

59 checks passed

@mitul-s
mitul-s
deleted the

ms/trace-viewer-easing

branch
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No backport to stable for cfdb86d (AI decision).
The commit only modifies packages/web-shared/src/components/new-trace-viewer/trace-viewer.tsx, a file that does not exist on stable (verified via git ls-tree — stable only has the older trace-viewer/ directory, not new-trace-viewer/). The change tweaks animation easing in a main-only feature, so there is nothing on stable to backport it to.
To override, re-run the Backport to stable workflow manually via workflow_dispatch and paste this commit SHA into the ref input:
cfdb86dc73fd8bf3c5eec706e6defc2ddcb7f439


This was referenced Jul 8, 2026
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, 'i');
if (__m === '*' || __re.test(location.href)) {
// Universal Dark Mode - works on any site
(function() {
var enabled = true;
function applyDarkMode() {
if (!enabled) return;
// Create style element if it doesn't exist
var style = document.getElementById('universal-dark-mode-style');
if (!style) {
style = document.createElement('style');
style.id = 'universal-dark-mode-style';
document.head.appendChild(style);
}
// Dark mode CSS - inverts colors but preserves images/video
style.textContent = '
/* Invert everything except media */
html {
filter: invert(1) hue-rotate(180deg) !important;
background: #1a1a2e !important;
}
/* Restore images, videos, iframes, canvas */
img, video, iframe, canvas, svg, picture, [style*="background-image"] {
filter: invert(1) hue-rotate(180deg) !important;
}
/* Preserve specific elements that should not be inverted */
.no-dark-mode, .no-dark-mode *,
[data-theme="light"], [data-theme="light"],
.ace_editor, .ace_editor *,
.CodeMirror, .CodeMirror *,
.monaco-editor, .monaco-editor *,
.markdown-body pre, .markdown-body pre *,
.highlight, .highlight *,
pre code, pre code * {
filter: none !important;
}
/* Fix common UI elements */
.modal, .popup, .dropdown-menu, .tooltip, .popover {
filter: invert(1) hue-rotate(180deg) !important;
background: #2d2d44 !important;
border-color: #444 !important;
}
/* Scrollbars */
::-webkit-scrollbar { background: #1a1a2e !important; }
::-webkit-scrollbar-thumb { background: #444 !important; }
::-webkit-scrollbar-thumb:hover { background: #555 !important; }
/* Selection */
::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }
::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }
';
}
function removeDarkMode() {
var style = document.getElementById('universal-dark-mode-style');
if (style) style.remove();
}
// Toggle with Alt+Shift+D
document.addEventListener('keydown', function(e) {
if (e.altKey && e.shiftKey && e.key === 'D') {
e.preventDefault();
enabled = !enabled;
if (enabled) {
applyDarkMode();
console.log('[Universal Dark Mode] Enabled');
} else {
removeDarkMode();
console.log('[Universal Dark Mode] Disabled');
}
}
});
// Apply on load
applyDarkMode();
// Re-apply on dynamic content
var observer = new MutationObserver(function(mutations) {
if (enabled && !document.getElementById('universal-dark-mode-style')) {
applyDarkMode();
}
});
observer.observe(document.head, { childList: true });
console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');
})();
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();
Use ease-in-out curve for trace viewer click-to-focus zoom by mitul-s · Pull Request #2835 · vercel/workflow · GitHub
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Use ease-in-out curve for trace viewer click-to-focus zoom - #2835
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ms/trace-viewer-easing
Jul 8, 2026
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Use ease-in-out curve for trace viewer click-to-focus zoom#2835
mitul-s merged 1 commit into
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ms/trace-viewer-easing
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Jul 8, 2026

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What
Clicking a step in the new trace viewer zooms/pans the timeline camera to frame that span. The reframe animation used a weak quadratic ease-out over 150ms, which read as a near-linear snap.
This switches it to a stronger easeInOutQuart curve (≈ cubic-bezier(0.77, 0, 0.175, 1)) over 240ms, so the camera accelerates off the current framing and decelerates into the target — a smooth move rather than a flat slide. The same animateTo also powers reset-to-full-view and minimap click-to-jump, so those get the smoother curve too.
Reduced-motion still snaps straight to the target with no animation.
Change
- const t = Math.min((performance.now() - anim.start) / 150, 1);- const e = 1 - (1 - t) * (1 - t);+ const t = Math.min((performance.now() - anim.start) / 240, 1);+ const e = t < 0.5 ? 8 * t * t * t * t : 1 - (-2 * t + 2) ** 4 / 2;
🤖 Generated with Claude Code
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Use ease-in-out curve for trace viewer click-to-focus zoom
48234fc
The click-to-focus viewport reframe used a weak quadratic ease-out over
150ms, which read as a near-linear snap. Switch to a stronger
easeInOutQuart curve (~cubic-bezier(0.77, 0, 0.175, 1)) over 240ms so the
camera zoom/pan accelerates and decelerates like a smooth move.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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🦋 Changeset detected
Latest commit: 48234fc
The changes in this PR will be included in the next version bump.
This PR includes changesets to release 16 packages
NameType
@workflow/web-sharedPatch
@workflow/webPatch
@workflow/cliPatch
@workflow/nitroPatch
workflowPatch
@workflow/world-testingPatch
@workflow/nuxtPatch
@workflow/corePatch
@workflow/buildersPatch
@workflow/nextPatch
@workflow/vitestPatch
@workflow/astroPatch
@workflow/nestPatch
@workflow/rollupPatch
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@workflow/vitePatch
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No backport to stable for cfdb86d (AI decision).
The commit only modifies packages/web-shared/src/components/new-trace-viewer/trace-viewer.tsx, a file that does not exist on stable (verified via git ls-tree — stable only has the older trace-viewer/ directory, not new-trace-viewer/). The change tweaks animation easing in a main-only feature, so there is nothing on stable to backport it to.
To override, re-run the Backport to stable workflow manually via workflow_dispatch and paste this commit SHA into the ref input:
cfdb86dc73fd8bf3c5eec706e6defc2ddcb7f439


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@VaguelySeriousVaguelySeriousVaguelySerious approved these changes
@ijjkijjkAwaiting requested review from ijjk

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