Should I update Lightroom Classic?
Lightroom Classic 15.3 · Known bug
SDK overlapping PNG overlays show solid boxes on Windows
Not marked fixed as of Lightroom Classic 16.0.0. The bug was reported for Lightroom Classic 15.3. Adobe tracks it (status: Investigating). It happens on Windows only.
- Status
- Not fixedAdobe: Investigating
- Severity
- Minor
- Affects
- Specific feature
- System
- Windows only
Timeline
- Jun 16, 2026Reported on Lightroom Classic 15.3
- Nov 10, 2026Not marked fixed as of Lightroom Classic 16.0.0Adobe: Investigating
The report
59 votes · 2 replies
Reported on Windows by 2 people, on macOS by 1 (from the report and 2 replies).
“P: Windows SDK: Transparent PNG overlays do not composite correctly in overlapping layouts”
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.