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This is a backport PR for branch 44-x-y
codebytere

#53040: fix: illegal access errors when a same-process child window or subframe closes

Merged
codebytere
Created: Aug 20, 2026, 5:49:59 AM
Merged: Aug 20, 2026, 2:36:35 PM
1 comments
Target: 44-x-y

Backport of #52964

See that PR for details. Trop could not cherry-pick it cleanly; the only conflict was context around the utility process's CreateEnvironment call, which has no snapshot path on this branch.

Notes: Fixed Uncaught illegal access errors and possible renderer crashes after closing a same-process child window or removing an iframe with nodeIntegrationInSubFrames enabled.

Released in v44.0.0-beta.6

Backport Information

Backported from

#52964: fix: illegal access errors when a same-process child window or subframe closes
Original PR Author
codebytere
Original PR Status
Merged
Original PR Merged At
Aug 20, 2026, 3:19:00 AM
Original PR Link
GitHubView on GitHub

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