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flutteractionsbot 331c569830
[CP-stable][Impeller] Make ContextVK hash values globally unique (#171239) 
This pull request is created by [automatic cherry pick workflow](https://github.com/flutter/flutter/blob/main/docs/releases/Flutter-Cherrypick-Process.md#automatically-creates-a-cherry-pick-request)
Please fill in the form below, and a flutter domain expert will evaluate this cherry pick request.

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

https://github.com/flutter/flutter/issues/170141

### 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 an issue in the Impeller Vulkan back end that can cause crashes when transitioning between different Android activities that use Flutter.

### 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)

Potential crash in apps with multiple Android activities running Flutter with Impeller/Vulkan.

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

Disable Impeller

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

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

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

The `appShortcutLaunchActivityAfterStarting` test for the `quick_actions_android` plugin will no longer crash on Firebase Test Lab after this fix is applied.  I don't know of a simpler way to manually verify the fix.
2025-07-07 22:00:17 +00:00
..
scripts
gclient template file clarifications (#160882)
2024-12-27 19:36:20 +00:00
src
[CP-stable][Impeller] Make ContextVK hash values globally unique (#171239)
2025-07-07 22:00:17 +00:00
README.md
Trigger a new engine build from HEAD in 3.32 (#170558)
2025-06-12 16:30:12 -07:00

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