The editor margin does not highlight current changes like the rest of VS Code:

Open the diff from the Git tab and it highlights the same changes correctly:

Click on one of the changes in the margin, and the inline change view also shows the diff correctly hightlighted - alongside the incorrectly highlighted main view:

I assume you've somehow ended up with two different implementations of the same thing? Might be time to consolidate some calculations here. 🙂

May be related to #127441 (not sure - it's not very detailed.)

Version info:

Version: 1.88.0 (user setup)
Commit: 5c3e652f63e798a5ac2f31ffd0d863669328dc4c
Date: 2024-04-03T13:26:18.741Z
Electron: 28.2.8
ElectronBuildId: 27744544
Chromium: 120.0.6099.291
Node.js: 18.18.2
V8: 12.0.267.19-electron.0
OS: Windows_NT x64 10.0.22631