Where is my mask outline?

Hi,
I’m experiencing a blocking issue in Premiere Pro 2026: the mask outline is completely invisible in the Program Monitor. The mask itself works, but the outline/path is not visible at all.

I’ve already tried the following:

• Turned Rulers OFF (Ctrl + R)

• Made sure Overlays are enabled

• Changed Program Monitor zoom and panel size

• Switched to Object/Shape Mask tool from the toolbar

System:

• Premiere Pro: 2026

• OS: Windows 11

• GPU: NVIDIA RTX 4070 SUPER

• Drivers: latest NVIDIA Game drivers

This bug is incredibly frustrating and breaks basic masking workflows. Is there any way to disable or uninstall just this new masking feature in Premiere Pro 2026 and revert to the previous mask behavior? Right now this new system is unusable for me.

I also tested this on two other computers with similar specs and older NVIDIA (studio) drivers, and the mask outline is still not visible on any of them. The issue is reproducible across different machines.