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Bump Electron to 39.0.0#55395

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huntie wants to merge 1 commit into
react:mainfrom
huntie:export-D92154326
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Bump Electron to 39.0.0#55395
huntie wants to merge 1 commit into
react:mainfrom
huntie:export-D92154326

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@huntie

@huntie huntie commented Feb 3, 2026

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Summary:
Upgrade from Electron 37.x → 39.x , which includes compiling for macOS 26.

Changelog: [Internal]

Breaking changes from Electron 37.2.6 → 39.0.0:

Electron 38.0.0

  • Removed ELECTRON_OZONE_PLATFORM_HINT env var
  • Removed ORIGINAL_XDG_CURRENT_DESKTOP env var
  • Removed macOS 11 support (minimum now macOS 12)
  • Removed plugin-crashed event from webContents
  • Deprecated webFrame.routingId (use frameToken)
  • Deprecated webFrame.findFrameByRoutingId() (use findFrameByToken())
  • Linux now defaults to Wayland (force X11 with --ozone-platform=x11)

Electron 39.0.0

  • Deprecated --host-rules flag (use --host-resolver-rules)
  • window.open popups now always resizable (WHATWG spec)
  • Shared texture OSR paint event structure changed

Reviewed By: motiz88

Differential Revision: D92154326

Summary:
Upgrade from Electron 37.x → 39.x , which includes compiling for macOS 26.

Changelog: [Internal]

**Breaking changes from Electron 37.2.6 → 39.0.0:**

**Electron 38.0.0**
- Removed `ELECTRON_OZONE_PLATFORM_HINT` env var
- Removed `ORIGINAL_XDG_CURRENT_DESKTOP` env var  
- Removed macOS 11 support (minimum now macOS 12)
- Removed `plugin-crashed` event from webContents
- Deprecated `webFrame.routingId` (use `frameToken`)
- Deprecated `webFrame.findFrameByRoutingId()` (use `findFrameByToken()`)
- Linux now defaults to Wayland (force X11 with `--ozone-platform=x11`)

**Electron 39.0.0**
- Deprecated `--host-rules` flag (use `--host-resolver-rules`)
- `window.open` popups now always resizable (WHATWG spec)
- Shared texture OSR `paint` event structure changed

Reviewed By: motiz88

Differential Revision: D92154326
@meta-codesync

meta-codesync Bot commented Feb 3, 2026

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@huntie has exported this pull request. If you are a Meta employee, you can view the originating Diff in D92154326.

@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 Feb 3, 2026
@meta-codesync meta-codesync Bot closed this in 96c97e0 Feb 4, 2026
@react-native-bot

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This pull request was successfully merged by @huntie in 96c97e0

When will my fix make it into a release? | How to file a pick request?

@react-native-bot react-native-bot added the Merged This PR has been merged. label Feb 4, 2026
@huntie huntie deleted the export-D92154326 branch February 4, 2026 20:19
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3 participants