fix(perf): Apply base grid scroll performance optimizations.#16708

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rkaraivanov merged 34 commits intomasterfrom

mkirova/performance-optimizations

Jan 23, 2026

Commits on Jan 8, 2026

fix(perf): Apply some performance optimizations.

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Commits on Jan 9, 2026

chore(*): MInor tweaks to scroll handler.

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chore(*): Minor tweak for verticalScrollHandler.

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Commits on Jan 12, 2026

chore(*): Add style writes in afterNextRender's write callback.

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chore(*): Clean performance observer and custom styles.

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chore(*): Add btn to scroll 100 times in the grids and measure long tasks.

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Commits on Jan 13, 2026

chore(*): Update a few places where top offset is still used.

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Commits on Jan 14, 2026

chore(*): Fix kbNav that still used top offset.

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chore(*): Run initial check on the data on init.

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chore(*): Update test with new check for transform.

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Commits on Jan 16, 2026

chore(*): Update debounce times and top offset checks in tests.

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chore(*): Set and cache scrollAmount on hscroll too.

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chore(*): Cache scrollAmount in base onScroll too.

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chore(*): Debounce a bit more for scroll related operations due to throttle.

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Commits on Jan 19, 2026

chore(*): Pass new data ref on delete.

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chore(*): Recalc sizes on scroll due to variable sizes.

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chore(*): Add debounce for kbnav.

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chore(*): Set amount in GridForOf too.

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chore(*): Trigger change on records added.

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chore(*): Make sure diff inits and fix some timing on tests.

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chore(*): Fix timing in tests.

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chore(*): Bump timing if tests a bit more.

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chore(*): Add a bit more time in loops that navigate.

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Commits on Jan 21, 2026

chore(*): Document breaking change and comment out related tests.

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chore(*): Bump up debounce time to 60ms so tests do not flicker.

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chore(*): Disable throttle for tests to make them more stable.

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chore(*): Add a bit throttle for a few tests that have resize observer issue.

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chore(*): Add to throttle 0 other tests as well.

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chore(*): Add 0 throttle to selection since there's range select with scroll.

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chore(*): More of SCROLL_THROTTLE_TIME 0.

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chore(*): Prevent resize observer error.

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chore(*): Add SCROLL_THROTTLE_TIME 0 for more grid tests.

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Commits on Jan 22, 2026

Merge branch 'master' into mkirova/performance-optimizations
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Commits on Jan 23, 2026

Merge branch 'master' into mkirova/performance-optimizations
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