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Fixed VirtualizedList "Invalid cells around viewport" crash in money request reports #91108

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Merged
mountiny merged 1 commit into from
May 25, 2026
Merged

Fixed VirtualizedList "Invalid cells around viewport" crash in money request reports #91108

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6 changes: 5 additions & 1 deletion src/components/MoneyRequestReportView/MoneyRequestReportActionsList.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -646,7 +646,11 @@ function MoneyRequestReportActionsList({onLayout}: MoneyRequestReportListProps)
const initialNumToRender = useMemo((): number | undefined => {
const minimumReportActionHeight = styles.chatItem.paddingTop + styles.chatItem.paddingBottom + variables.fontSizeNormalHeight;
const availableHeight = windowHeight - (CONST.CHAT_FOOTER_MIN_HEIGHT + variables.contentHeaderHeight);
const numToRender = Math.ceil(availableHeight / minimumReportActionHeight);
// windowHeight can be smaller than the header+footer during transient mount/transition states
// (e.g. Wide RHP overlay animating in), which would make numToRender negative and crash
// VirtualizedList with "Invalid cells around viewport". Clamping to 0 lets the `|| undefined`
// fallback below kick in so FlatList uses its default.
const numToRender = Math.max(0, Math.ceil(availableHeight / minimumReportActionHeight));
if (linkedReportActionID) {
return getInitialNumToRender(numToRender);
}
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