npm / virtua

virtua

What changed in virtua 0.50 to 0.54, from its official release notes, upgrade guides and advisories. Sources checked 2026-11-03.

4 breaking7 new APIs and options7 performance4 behavior and defaults22 fixes and other

See which of these apply to your code, ranked, in your agent:

npx @unstale/cli init

virtua 0.547 changes

Fixes a memory leak of the first data in React components.
0.54.1release notes
Fixes jumps when items are removed or reordered and broken layout with shift.
0.54.0release notes
Suppresses the “ResizeObserver loop completed with undelivered notification…” notification.
0.54.0release notes
Fixes base offset calculation for horizontal WindowVirtualizer in RTL.
0.54.0release notes

The per-axis imperative scrolls of VGrid were merged into one.
0.53.6release notes
Horizontal VList now defaults to display: block.
0.53.0release notes

Fixed a blank viewport when it is scrolled before mount.
0.53.6release notes
Virtua now handles the touchcancel event.
0.53.5release notes
In Svelte, stale keepMounted indexes are guarded against the store's length.
0.53.4release notes
Fixes a bug where relayout called onResize.
0.53.3release notes

Grid types were renamed, which may require updating type references.
0.52.1release notes
Angular component events were renamed to avoid conflicts with browser events.
0.52.0release notes

Improves performance of spans.
0.52.6release notes
VGrid was optimized with keepMounted, spans and sectionRows.
0.52.3release notes
VGrid with pinned rows and columns is optimized, improving performance for developers using pinned rows and columns.
0.52.2release notes

Virtua explicitly opts out of React Compiler.
0.52.9release notes
VGrid is no longer experimental and is available across all frameworks.
0.52.0release notes

Fixes viewport measurement when using position: fixed.
0.51.3release notes
Adds a guard for the keepMounted prop.
0.51.2release notes
Corrects the ref convention in Solid adapters.
0.51.2release notes
The index attribute no longer leaks to the DOM in Solid adapters.
0.51.1release notes
Fixed a bug where scroll-behavior: smooth could break programmatic scrolling.
0.51.0release notes
Fixed a bug where the scroll position could jump back during fast scrolling.
0.51.0release notes

Fixed a race condition when imperative scroll is called during measurement.
0.50.6release notes
Fixes a bug that could make the estimated size 0.
0.50.5release notes
Missing ssrCount props were implemented.
0.50.4release notes
Fixed the angular handle.
0.50.3release notes
Improved SSR support in Svelte.
0.50.2release notes
Svelte avoids observing elements when the component is already unmounted.
0.50.1release notes