Release build - 1.21.3b (2026-06-18)

Zen Stable Release

New Features

• Updated to Firefox 152.0.1

Fixes

• Fixed transparency not working after updating to 1.21.2b (#14259)
• Fixed frequent crashes affecting users with Intel Raptor Lake processors
• Fixed an issue on macOS where choosing a PDF option, such as "Save as PDF", from the system print dialog would send the job to your printer instead of saving a file.
• Other minor bug fixes and improvements.