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Reset zoom level on component unmount #69087

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Merged
t-hamano merged 8 commits into from
May 23, 2026
+8 −2
Merged

Reset zoom level on component unmount #69087

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73e9e6f
Reset zoom level on component unmount
Infinite-Null Feb 7, 2025
f3b5029
Reset zoom level when viewport changes to desktop
Infinite-Null Feb 12, 2025
e8ce907
Improve block editor store hooks organization
Infinite-Null Feb 14, 2025
d04935a
Merge branch 'trunk' into fix/reset-zoom-unmount
Infinite-Null May 20, 2026
761ffb2
Fix: import comment
Infinite-Null May 20, 2026
6fe5791
Merge branch 'trunk' into fix/reset-zoom-unmount
Infinite-Null May 20, 2026
46b8777
Merge branch 'trunk' into fix/reset-zoom-unmount
Infinite-Null May 21, 2026
0f05233
Fix zoom handling in useScaleCanvas and remove unused resetZoomLevel …
Infinite-Null May 21, 2026
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10 changes: 8 additions & 2 deletions packages/block-editor/src/components/iframe/use-scale-canvas.js
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Original file line number Diff line number Diff line change
Expand Up @@ -312,8 +312,14 @@ export function useScaleCanvas( {
* changes due to the container resizing.
*/
useEffect( () => {
const trigger =
iframeDocument && previousIsZoomedOut.current !== isZoomedOut;
// Wait for the iframe document so a zoom out state that is already
// active on mount (e.g. when the canvas is remounted on a viewport
// change) is still detected as a transition.
if ( ! iframeDocument ) {
return;
}

const trigger = previousIsZoomedOut.current !== isZoomedOut;

previousIsZoomedOut.current = isZoomedOut;

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