LazyVerticalStaggeredGrid rearranges items when scrolling up

[rdsarna]

Describe the bug Related to LazyVerticalStagggeredGrid. When the grid is in a scrolled down state and recreated due to returning from another screen, scrolling up causes the items to rearrange.

Affected platforms

• Android
• iOS

Versions

• Libraries:

  • Compose Multiplatform version: 1.6.11

• Kotlin version: 2.0.0

• OS version(s) (required for Desktop and iOS issues): iOS 17.5

• Device (model or simulator for iOS issues): iPhone 15 Pro simulator/ iPhone 13 Pro device/ Android any device

To Reproduce

Steps to reproduce the behavior: Repository that exhibits the issue - https://github.com/rdsarna/KMP-App-Template This is a fork of a sample from the Kotlin Multiplatform Wizard. Commits added to recreate the issue - commit1 and commit2.

1. Fresh install the app with an active internet connection (from the repo mentioned above)
2. Scroll down quite a bit
3. Tap on any item so the next screen opens
4. Return back to the grid
5. Slowly scroll up

Expected behavior The items should remain in place as user scroll up.

Screenshots Video for issue - https://youtube.com/shorts/369AA3R0XpQ

[okushnikov]

Please check the following ticket on YouTrack for follow-ups to this issue. GitHub issues will be closed in the coming weeks.

[igordmn]

See the comment there https://youtrack.jetbrains.com/issue/CMP-5042