If you quickly resize the sample app, it exhibits a graphical glitch by rendering a red frame.

I took a screen recording but github does not support the file type.
commit 06989e11a492642cfdcdb12ccc0a5be1b14d8248 (HEAD -> master, origin/master, origin/HEAD)
Tested on 10.13 only.
Xcode 10
Yes, this is a known issue. It's closely related to https://github.com/flutter/flutter/issues/19225
Closing since this is tracked by https://github.com/flutter/flutter/issues/30671
Most helpful comment
Yes, this is a known issue. It's closely related to https://github.com/flutter/flutter/issues/19225