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feat!: improve version history authors and keyboard navigation - #3229

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enhance-version-history-sidebar-navigation-and-restore
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@nperez0111 nperez0111 commented Oct 22, 2026 •

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Summary

  • Render version authors as full names with colored discs and separators. Keep each author together when wrapping, use lighter disc colors in dark mode, and use normal foreground text for names across Mantine, Ariakit, and ShadCN.

  • Make Arrow Up/Down and Home/End update both focus and preview within the visible history list, preserving comparison mode and leaving inputs and menus alone.

  • Rename comparison controls to "Show changes" / "Hide changes" in all locales and use a document-diff icon in the header and comparison baseline.

  • Simplify author resolution into useSnapshotUsers and update cross-skin visual baselines.

  • Suppress onChange notifications for version previews, including comparisons. Restore snapshots through the live editor state so restores notify change listeners and subsequent edits continue to work.

  • Keep loaded history visible after creating, renaming, or removing versions. Rebuild invalidated history on the next pagination request and publish the replacement rows and cursor together. Failed reads retain the existing history for retry; manual refresh still resets to the first page.

  • Avoid automatically comparing against the pinned document beginning while older history remains unloaded, including with the named-only filter. Explicit beginning comparisons remain available, and loading another page does not change the active comparison.

  • Preserve the original live renderer when leaving version history, including when collaboration has a suggestion renderer configured, so live synchronization continues after previews and restores.

  • Connect the Yjs v14 binding immediately, but keep an empty local document read-only and loading until shared content arrives or the provider confirms its first sync. Cached documents remain editable offline, and readiness survives disconnects and remounts. Providers without sync state keep their existing behavior.

  • Add a shared, token-based LoadingExtension that coordinates the loading indicator and read-only state. Initial sync and version-history loading release only their own tokens, so overlapping operations cannot clear each other's loading state.

  • Add a minimal YHub collaboration example with Yjs v14, real-time document sync, and shared cursors, without version-history setup. Include generated playground/docs integration and standalone example files.

Builds on #3090. Existing date formatting and restore APIs are unchanged.

Breaking changes

  • Remove VersionSnapshot.secondaryLabel and the corresponding snapshot UI prop. Custom version labels belong in name; authors come from by.
  • Replace the exported useVersionUsers and useSnapshotLabel hooks with useSnapshotUsers.
  • Custom snapshot components receive structured users instead of secondaryLabel.

Verification

  • 339 sidebar browser tests passed across Chromium, Firefox, and WebKit in Docker, including pinned-beginning comparisons with and without the named-only filter. The keyboard and pinned-beginning regressions were verified to fail without their fixes.
  • 60 cross-skin browser tests passed across the same browsers, including the final contrast changes. Updated light/dark screenshot baselines were visually reviewed.
  • 59 YHub versioning tests and 19 in-memory versioning tests passed, including regressions for silent previews and restore change notifications.
  • 98 core versioning and Y integration unit tests passed in the latest targeted run, covering deferred history refresh, cancellation of stale reads, retry behavior, and restoration of the live binding and renderer with and without suggestions. The renderer assertion was verified to fail when using the previous merge behavior.
  • 29 tests passed in the final targeted run covering loading-token ownership, versioning loading, and Yjs v14 initial-sync readiness, cached content, delayed hydration, and remount cleanup. The initial-sync and overlapping-loader regressions were verified to fail without their fixes.
  • The minimal YHub example loaded synced content and remote cursors in the playground. Example generation, dependency installation, formatting, and the docs link validator passed.
  • Targeted type-aware lint and formatting passed. The commit hook's vp check --fix passed.

Summary by CodeRabbit

  • New Features
    • Version history now shows snapshot authors by name, with colored markers when available.
    • Keyboard navigation previews the focused snapshot, with Home and End moving to the first and last entries.
  • Improvements
    • Comparison controls use clearer “Show changes” and “Hide changes” labels across supported languages.
    • The version history toolbar uses an updated comparison icon.
  • Bug Fixes
    • The named-only filter appears only when renaming is available.
    • Previewing snapshots no longer triggers change notifications, and restoring a snapshot correctly updates the document.

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  • packages/react/src/components/Versioning/VersioningSidebarHeader.tsx

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Walkthrough

Snapshot author labels now use user data and optional color markers. Keyboard navigation previews snapshots as focus moves through visible rows. Version previews no longer trigger change callbacks, and restore dispatches restored content as a document change. Comparison controls use updated text in supported locales.

Changes: Versioning UI

Layer / File(s) Summary
Snapshot user data and display
packages/core/src/extensions/Versioning/types.ts, packages/react/src/editor/ComponentsContext.tsx, packages/react/src/components/Versioning/Snapshot.tsx, packages/react/src/components/Versioning/useSnapshotUsers.ts, packages/react/src/components/Versioning/useVersionUsers.ts, packages/react/src/versioning.ts, packages/ariakit/src/versioning/Versioning.tsx, packages/ariakit/src/style.css, packages/mantine/src/versioning/Versioning.tsx, packages/mantine/src/blocknoteStyles.css, packages/shadcn/src/versioning/Versioning.tsx, packages/shadcn/src/style.css, packages/react/src/components/Versioning/VersioningTestComponents.browser.tsx, tests/src/end-to-end/versioning/versioning-ui.test.tsx
The snapshot contract replaces secondaryLabel with users. React loads users from snapshot author IDs and preserves unresolved IDs as strings. Snapshot implementations render user names, middle-dot separators, and optional color markers. Styles and tests cover the new display.
Keyboard snapshot scrubbing
packages/react/src/components/Versioning/VersioningSidebarList.tsx, packages/react/src/components/Versioning/VersioningSidebar.browser.test.tsx, packages/react/src/components/Versioning/VersioningSidebarHeader.tsx
Arrow, Home, and End keys focus a visible row and start its preview. Tests cover boundary behavior, named-only history, delayed preview loads, and keyboard events in rename fields and menus. The named-only filter appears only when rename is supported.
Preview and restore transactions
packages/core/src/editor/managers/EventManager.ts, packages/core/src/extensions/Versioning/inMemoryVersioning.ts, packages/core/src/extensions/Versioning/inMemoryVersioning.test.ts, packages/core/src/y/extensions/DiffVersioningExtension.ts
Preview transactions carry metadata that suppresses onChange callbacks. Restore closes an active version view and dispatches restored content through editor.transact; tests cover preview suppression and restore notifications.
Comparison controls and labels
packages/core/src/i18n/locales/*, packages/react/src/components/Versioning/VersioningSidebarHeader.tsx, packages/react/src/components/Versioning/Snapshot.tsx, packages/react/src/components/Versioning/VersioningSidebar.browser.test.tsx, tests/src/end-to-end/versioning/versioning-ui.test.tsx
Comparison labels change to “Show changes” and “Hide changes” equivalents across the listed locales. The comparison icon changes to LuFileDiff, and tests use the updated labels.

Priority: Low

Estimated code review effort: 3 (Moderate) | ~25 minutes

Change: Feature

Sequence Diagram(s)

sequenceDiagram
  actor User
  participant VersioningSidebarList
  participant SnapshotPreview
  User->>VersioningSidebarList: Press Arrow, Home, or End
  VersioningSidebarList->>VersioningSidebarList: Focus a visible row
  VersioningSidebarList->>SnapshotPreview: Start preview for the row
  SnapshotPreview-->>User: Display the selected snapshot
Loading

Possibly related issues

  • TypeCellOS/BlockNote#3208 — The changes add keyboard navigation and focus behavior tests for the version-history sidebar. They do not add the broader accessibility test infrastructure.
Merge Risk: Low · up to 48c32

Two narrow keyboard and author-loading edge cases remain; the change is otherwise mergeable with follow-up fixes.

Pre-merge checks: Passed 4 · Failed 1

Failed Failed checks: 1 warning

Check name Status Explanation Resolution
Docstring Coverage Warning Docstring coverage is 44.44% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 9 functions across 40 files. Write docstrings for the functions missing them to satisfy the coverage threshold.
Passed Passed checks: 4 passed
Check name Status Explanation
Title check Passed The title clearly summarizes the primary changes to version-history author rendering and keyboard navigation. It is concise and specific.
Linked Issues check Passed Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check Passed Check skipped because no linked issues were found for this pull request.
Description check Passed The pull request description is detailed and covers the feature summary, major changes, breaking changes, testing, and additional implementation context. It does not use every template heading explici…
Full details: Description check

Explanation

The pull request description is detailed and covers the feature summary, major changes, breaking changes, testing, and additional implementation context. It does not use every template heading explicitly, but the required information is mostly present.

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A rabbit scrolls through snapshots with care,
New names and color dots appear there.
Arrow keys preview each row in sight,
Restores send changes through the right path.
“Show changes,” says the label with cheer,
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commit: e9273c1

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Actionable comments posted: 2


  • 🪄 Fix comments: Fix CodeRabbit comments on this PR
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Inline comments:
Review comments at
@packages/react/src/components/Versioning/useSnapshotUsers.ts:
- Line 22: Update the byIdsKey construction in the useSnapshotUsers effect to
preserve author ID boundaries, so distinct ID arrays cannot share a key and
cause loadUsers to be skipped. Use a collision-free serialization of byIds and
retain the existing effect behavior.

Review comments at
@packages/react/src/components/Versioning/VersioningSidebarList.tsx:
- Line 163: Update scrubTo to skip starting a preview when a repeated keydown
clamps to the row already focused; preserve the initial keydown so it can
preview a focused but unselected row. Use the keydown event’s repeat state and
compare the clamped destination with the focused row.

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⛔ Files ignored due to path filters: 12
  • tests/src/end-to-end/versioning/__screenshots__/versioning-ui.test.tsx/versioning-ariakit-comparison-baseline-naming-chromium-linux.png is excluded by !**/*.png
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📒 Files selected for processing: 41
  • packages/ariakit/src/style.css
  • packages/ariakit/src/versioning/Versioning.tsx
  • packages/core/src/extensions/Versioning/types.ts
  • packages/core/src/i18n/locales/ar.ts
  • packages/core/src/i18n/locales/de.ts
  • packages/core/src/i18n/locales/en.ts
  • packages/core/src/i18n/locales/es.ts
  • packages/core/src/i18n/locales/fa.ts
  • packages/core/src/i18n/locales/fr.ts
  • packages/core/src/i18n/locales/he.ts
  • packages/core/src/i18n/locales/hr.ts
  • packages/core/src/i18n/locales/is.ts
  • packages/core/src/i18n/locales/it.ts
  • packages/core/src/i18n/locales/ja.ts
  • packages/core/src/i18n/locales/ko.ts
  • packages/core/src/i18n/locales/nl.ts
  • packages/core/src/i18n/locales/no.ts
  • packages/core/src/i18n/locales/pl.ts
  • packages/core/src/i18n/locales/pt.ts
  • packages/core/src/i18n/locales/ru.ts
  • packages/core/src/i18n/locales/sk.ts
  • packages/core/src/i18n/locales/uk.ts
  • packages/core/src/i18n/locales/uz.ts
  • packages/core/src/i18n/locales/vi.ts
  • packages/core/src/i18n/locales/zh-tw.ts
  • packages/core/src/i18n/locales/zh.ts
  • packages/mantine/src/blocknoteStyles.css
  • packages/mantine/src/versioning/Versioning.tsx
  • packages/react/src/components/Versioning/Snapshot.tsx
  • packages/react/src/components/Versioning/VersioningSidebar.browser.test.tsx
  • packages/react/src/components/Versioning/VersioningSidebarHeader.tsx
  • packages/react/src/components/Versioning/VersioningSidebarList.tsx
  • packages/react/src/components/Versioning/VersioningTestComponents.browser.tsx
  • packages/react/src/components/Versioning/useSnapshotUsers.ts
  • packages/react/src/components/Versioning/useVersionUsers.ts
  • packages/react/src/editor/ComponentsContext.tsx
  • packages/react/src/hooks/useStore.ts
  • packages/react/src/versioning.ts
  • packages/shadcn/src/style.css
  • packages/shadcn/src/versioning/Versioning.tsx
  • tests/src/end-to-end/versioning/versioning-ui.test.tsx
💤 Files with no reviewable changes: 2
  • packages/core/src/extensions/Versioning/types.ts
  • packages/react/src/components/Versioning/useVersionUsers.ts

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Actionable comments posted: 1


  • 🪄 Fix comments: Fix CodeRabbit comments on this PR
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Inline comments:
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@packages/react/src/components/Versioning/VersioningSidebarHeader.tsx:
- Around line 103-115: Update the visibility condition for the HeaderButton that
calls toggleNamedOnly so it remains visible when namedOnly is active, even if
canRename is false; preserve the existing visibility behavior when canRename is
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@nperez0111
nperez0111 added this pull request to stack #3243 October 23, 2026 08:32

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