The Zen Browser has been updated to version 1.15.1b and is now based on Firefox version 142.0.1. Two issues were fixed: the folder context menu not working when folders are collapsed and tabs becoming invisible in certain situations while collapsing active folders. These fixes aim to improve the overall user experience of the Zen Browser.

Zen Browser Release build - 1.15.1b (2025-08-28)

New Features

• Updated to Firefox 142.0.1

Fixes

• Fixed issues with the folder context menu not working on collapsed mode
• Fixed tab becoming invisible on some occasions when collapsing active folders

Release Release build - 1.15.1b (2025-08-28) · zen-browser/desktop