feat (react-virtualizer): Enable complex dynamic virtualization with add and remove items #508
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Mitch-At-Work
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Sep 23, 2025
dmytrokirpa
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Sep 25, 2025
dmytrokirpa
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marcosmoura
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Oct 15, 2025
…tion-upgrade' into test/react-draggable-dialog/add-more-complete-test-cases * fix/react-draggable-dialog/improve-performance-after-motion-upgrade: (32 commits) fix: update swc config for tests fix: remove eslint comment fix: formatting fix: upgrade dnd-kit fix: revert changes to yarn.lock applying package updates fix(houdini-utils): Give wrapper element a different id (microsoft#520) applying package updates fix(react-virtualizer): add missing react-jsx-runtime dependency (microsoft#518) applying package updates fix(houdini-utils): make DOM access to utils safe (microsoft#514) fix (react-virtualizer): Ensure IO buffer gets removed, not added from calculation (microsoft#516) fix (react-virtualizer): Ensure base virtualizer hook recalcs array if numItems change at end (microsoft#515) chore: update peer dependencies for React and @types/react to support versions v19 (microsoft#494) applying package updates fix (react-virtualizer): Ensure accurate positioning for dynamically changing sizes (microsoft#511) chore: upgrade form-data and axios to fix security vulnerabilities (microsoft#509) applying package updates feat (react-virtualizer): Enable complex dynamic virtualization with add and remove items (microsoft#508) chore: add cxe-prg to react-virtualizer codeowners (microsoft#510) ...
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Removed a lot of code pertaining to 'optimizations' that were requiring additional work to prevent
Focused on optimizing the flow/layout and always rendering based on the virtualizer parameters passed in
Updated complex story example to showcase add/remove items with optimized mounting/unmounting
Due to the nature of virtualization, it's much safer for us to focus on preventing mounts/unmounts over additional renders - this enables teams to focus on the async lifestyle of a component vs trying to prevent as many renders as possible (which often results in unmounting/remounting).