Premiere 26.5 · Fixed bug
Green flashes on Long GOP 10-bit MXF playback and export
Fixed in Premiere 26.5.2, according to Adobe’s release notes. The bug was reported for Premiere 26.5. It happens on Windows only.
- Status
- Fixed in 26.5.2
- Severity
- Major
- Affects
- Specific feature
- System
- Windows only
The fix · Premiere 26.5.2
“On Windows systems without GPU hardware acceleration for the format, some Long GOP 10-bit 4:2:2 media showed visual artifacts, including green frames, during playback and export.”Adobe’s release notes
Workaround · if you stay on Premiere 26.5
Update to 26.5.2 or later, or transcode affected clips or use Render and Replace; clear media cache via Shift at launch if artifacts persist.
Timeline
- Sep 14, 2026Reported on Premiere 26.5
- Date unknownFixed in Premiere 26.5.2per Adobe’s release notes
The report
20 votes · 51 replies
Reported on Windows by 11 people (from the report and 51 replies).
“P: Glitching playback, including green flashes, during playback and export of 10-bit 4:2:2 media on Windows”
Read it on the Adobe Community boardBased on public bug reports on the Adobe Community board. Last changed September 30, 2026. The title and rating are ours; the report is the reporter’s. Not affiliated with Adobe.