Reproduction steps:
1. Open the attached “IN-108543_FrameDebuggerFlicker.zip“ project
2. Create and open a blank shader graph from the Project View (Create > Shader Graph > Blank Shader Graph)
3. Dock the Shader Graph Window next to the Game View
4. Open the Frame Debugger (Window > Analysis > Frame Debugger)
5. Enable the Frame Debugger and observe

Expected result: Frame Debugger functions as expected, no abnormal glitches
Actual result: The Frame Debugger is flickering, glitching

Reproducible with: 6000.0.54f1, 6000.1.12f1, 6000.2.0b10, 6000.3.0a2

Reproducible on: M1 Max MacOS 15.5, Windows 11 (Tested by CQA)
Not reproducible on: No other environment tested