Photoshop 27.5 · Known bug
WindowServer GPU usage spikes with Application Frame on
Not marked fixed as of Photoshop 28.0.0. The bug was reported for Photoshop 27.5. Adobe tracks it (status: Investigating). It happens on macOS only. There is a workaround.
- Status
- Not fixedAdobe: Investigating
- Severity
- Major
- Affects
- Common workflow
- System
- macOS only
Workaround
Disable Application Frame, switch to full-screen mode, or set the monitor refresh rate to 60 Hz.
Timeline
- Apr 19, 2026Reported on Photoshop 27.5
- Nov 10, 2026Not marked fixed as of Photoshop 28.0.0Adobe: Investigating
The report
15 votes · 32 replies
Reported on macOS by 9 people (from the report and 27 replies).
“P: (MacOS26) Photoshop v27.5 & later extremely high GPU usage from the WindowServer process”
Read it on the Adobe Community boardBased on public bug reports on the Adobe Community board. Last changed November 10, 2026. The title and rating are ours; the report is the reporter’s. Not affiliated with Adobe.