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Summary:
Deletes the virtualViewHysteresisRatio feature flag. It was never rolled out and not found to significantly improve performance.

Changelog:
[Internal]

Differential Revision: D90337120

yungsters and others added 6 commits January 8, 2026 09:49
Summary:
Renames `VirtualViewExperimental` to `VirtualView`.

Changelog:
[Internal]

Differential Revision: D90289664
Summary:
Deletes the `enableVirtualViewWindowFocusDetection` feature flag. It was never rolled out and not found to significantly improve performance.

Changelog:
[Internal]

Differential Revision: D90334082
Summary:
Deletes the `enableVirtualViewRenderState` feature flag and applies the new behavior everywhere.

Changelog:
[Internal]

Differential Revision: D90334878
Summary:
Cleans up the `virtualViewActivityBehavior` feature flag, which never shipped. More work is needed if we want to use `Activity` without significantly increasing memory usage and increasing the likelihood of OOMs.

Changelog:
[Internal]

Differential Revision: D90335258
Summary:
Reclassifies the `virtualViewPrerenderRatio` feature flag as operational.

Changelog:
[Internal]

Differential Revision: D90336116
Summary:
Deletes the `virtualViewHysteresisRatio` feature flag. It was never rolled out and not found to significantly improve performance.

Changelog:
[Internal]

Differential Revision: D90337120
@meta-cla meta-cla bot added the CLA Signed This label is managed by the Facebook bot. Authors need to sign the CLA before a PR can be reviewed. label Jan 8, 2026
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meta-codesync bot commented Jan 8, 2026

@yungsters has exported this pull request. If you are a Meta employee, you can view the originating Diff in D90337120.

@meta-codesync meta-codesync bot closed this in bb980b0 Jan 8, 2026
@facebook-github-bot facebook-github-bot added the Merged This PR has been merged. label Jan 8, 2026
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meta-codesync bot commented Jan 8, 2026

This pull request has been merged in bb980b0.

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2 participants