perf(timeline): memoize VList timeline items to prevent mass re-renders#660

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Just-Insane wants to merge 35 commits into

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Just-Insane:perf/timeline-item-memo

Commits on Apr 14, 2026

perf: memoize VList timeline items to prevent mass re-renders
Just-Insane
committed
fix(timeline): make mutationVersion optional in UseProcessedTimelineOptions
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fix(timeline): satisfy lint rules in TimelineItem memo component
Just-Insane
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chore: add changeset for perf-timeline-item-memo
Just-Insane
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fix(timeline): preempt atBottom to prevent Jump to Latest flashing at bottom
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fix(timeline): suppress intermediate VList scroll events after programmatic scroll-to-bottom
Just-Insane
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fix(timeline): set programmatic guard in scrollToBottom; keep guard active through all intermediate VList events
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fix(notifications): defer notification jump until live timeline is non-empty
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fix(timeline): skip scroll-cache save when viewing a historical eventId slice
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test(timeline): add useProcessedTimeline unit tests + fix stale itemIndex in stable-ref check
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perf(timeline): restore VList cache + skip 80 ms timer on room revisit
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fix(timeline): correct scroll-cache save/load paths
Just-Insane
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fix(timeline): save scroll cache in pendingReadyRef recovery path
Just-Insane
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chore: add changeset for perf-timeline-scroll-cache
Just-Insane
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fix(timeline): preempt atBottom to prevent Jump to Latest flashing at bottom
Just-Insane
committed
fix(timeline): suppress intermediate VList scroll events after programmatic scroll-to-bottom
Just-Insane
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test(timeline): add roomScrollCache unit tests
Just-Insane
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fix: auto-format roomScrollCache test file for prettier compliance
Just-Insane
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refactor(timeline): replace eslint-disables with custom areEqual comparator for TimelineItem memo
Just-Insane
committed

Commits on Apr 16, 2026

Commits on Apr 17, 2026