Mozilla sent Firefox Version 139.0.1 to the Release Channel.
Fixed
Update: To get the update now, select "Help" from the Firefox menu, then pick "About Firefox". Mac users need to select "About Firefox" from the Firefox menu. For non-English versions, Fully Localized Versions are available for download.
Release Notes
Fixed
- Fixed graphics corruption with certain NVIDIA graphics adapters and multiple monitors running at mixed refresh rates after updating to Firefox 139. (Bug 1968876)
Update: To get the update now, select "Help" from the Firefox menu, then pick "About Firefox". Mac users need to select "About Firefox" from the Firefox menu. For non-English versions, Fully Localized Versions are available for download.
Release Notes