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Justin McCandless d3d45dcf25
[CP-stable]Made the view controller weak for the accessibility bridge. (#176030) 
This pull request is a manual cherry pick of
https://github.com/flutter/flutter/pull/172871 after I had trouble
updating the automatic cherry pick pull request
(https://github.com/flutter/flutter/pull/175595).

### Issue Link:
What is the link to the issue this cherry-pick is addressing?

https://github.com/flutter/flutter/issues/172105

### Changelog Description:
Explain this cherry pick in one line that is accessible to most Flutter
developers. See [best
practices](https://github.com/flutter/flutter/blob/main/docs/releases/Hotfix-Documentation-Best-Practices.md)
for examples

Fixes issue in iOS add-to-app where Flutter view may hang after multiple
transitions.

### Impact Description:
What is the impact (ex. visual jank on Samsung phones, app crash, cannot
ship an iOS app)? Does it impact development (ex. flutter doctor crashes
when Android Studio is installed), or the shipping production app (the
app crashes on launch)

App may hang after transitioning between multiple pages on iOS.

### Workaround:
Is there a workaround for this issue?

No

### Risk:
What is the risk level of this cherry-pick?

  - [x] Low
  - [ ] Medium
  - [ ] High

### Test Coverage:
Are you confident that your fix is well-tested by automated tests?

  - [x] Yes
  - [ ] No

### Validation Steps:
What are the steps to validate that this fix works?

Using https://github.com/flutter/samples/tree/main/add_to_app/fullscreen
* Launch a Flutter screen
* Dismiss or pop the Flutter screen to return to native
* Repeat the process several times (open Flutter, close, then open
again)
* Flutter screen should not freeze

Co-authored-by: gaaclarke <30870216+gaaclarke@users.noreply.github.com>
2025-09-26 09:45:18 -07:00
..
scripts
…
src
[CP-stable]Made the view controller weak for the accessibility bridge. (#176030)
2025-09-26 09:45:18 -07:00
README.md
…

README.md

Flutter Engine

Setting up the Engine development environment

See here

gclient bootstrap

Flutter engine uses gclient to manage dependencies.

If you've already cloned the flutter repository:

  1. Copy one of the engine/scripts/*.gclient to the root folder as .gclient:
    1. Googlers: copy rbe.gclient to enable faster builds with RBE
    2. Everyone else: copy standard.gclient
  2. run gclient sync from the root folder