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Merge W1r2: drop redundant post-correction re-baseline (dawn/webkit-compensation @ c9e5bf3c)

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Co-authored-by: Tyler Longwell <tlongwell@block.xyz>
Signed-off-by: Tyler Longwell <tlongwell@block.xyz>

* origin/dawn/webkit-compensation:
  fix(desktop): drop redundant post-correction re-baseline (single-writer)
This commit is contained in:
npub1qyvc0c5kl4gqv2fd97fsk46tu378sqgy35vc83rvgfwne90sel7s0ed67d
2026-07-08 19:04:15 -04:00
co-authored by Tyler Longwell
parent eaccc0fca5 c9e5bf3cac
commit 3d1e91ea03
1 changed files with 4 additions and 3 deletions
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desktop/src/features/messages/ui/useAnchoredScroll.ts
+4 -3
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@@ -704,9 +704,10 @@ export function useAnchoredScroll({
}); });
if (target !== null) { if (target !== null) {
container.scrollTo({ top: target, behavior: "auto" }); container.scrollTo({ top: target, behavior: "auto" });
// Re-baseline after the correction so the next RO batch measures shift // No re-baseline here: the rAF loop is the single writer of
// from where we just pinned, not the pre-correction position. // `readingAnchorRef` and re-snapshots from live geometry next frame
readingAnchorRef.current = snapshotReadingAnchor(container); // (~16ms), which already reflects this correction. Writing it here too
// would make the "single writer" invariant a lie for no gain.
} }
}); });
// Observe every timeline row (not the content wrapper): a // Observe every timeline row (not the content wrapper): a