FF version 6.3.13 broke Custom code - code moving from screen like animation

[givancan]

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• I give permission for members of the FlutterFlow team to access and test my project for the sole purpose of investigating this issue.

Current Behavior

As described, after updating to new version it is impossible to work in Custom code tab as the code starts do disappear from screen moving down like animated. Not funny as projects have deadlines... you can see it in the attached video, after few seconds all code is not visible on screen anymore

Custom.code.moving.mp4

Expected Behavior

Not move from the screen

Steps to Reproduce

Look at the video

Reproducible from Blank

• The steps to reproduce above start from a blank project.

Bug Report Code (Required)

not applicable

Visual documentation

Attached in the Current behavior

Environment

- FlutterFlow version: 6.3.13
- Platform: macOS
- Browser name and version:
- Operating system and version affected: macOS 26

Additional Information

No response

[givancan]

One more thing I just found out, it only happens when You have FF app on secondary screen, if it stays on apple laptop screen then it is ok, if moved to another screen it starts to move

[ExodusStudiosDev]

Same here - can't figure this out but makes FF desktop app unusable for us.

[Alezanello]

Hello!!

We’re still unable to replicate the issue, but it does seem to be a bug affecting certain macOS setups. Could you please share more details about your OS version and which processor you’re using (Intel or Apple Silicon)?

[ExodusStudiosDev]

@Alezanello - Thanks for the reply! MacBook Pro M2 Max, Tahoe 26.0. Also, it only does this when FF is on a secondary monitor. On the laptop screen it is fine.

[givancan]

@Alezanello Hi, MacBook Pro M1 Pro, Tahoe 26.0. As Exodus said, on native display is ok, only happens on secondary