# Release notes for version 1.22.2b

By Steven Van · 2026-09-16

Zen 1.22.2b moves to Firefox 156.0, adds macOS startup launch, and fixes Split View, sync, and sidebar bugs.

Zen 1.22.2b updates to Firefox 156.0 and adds a Startup setting on macOS to let Zen open automatically when the computer starts up.

- Fixed high-sample-rate FLAC audio in MP4 failing to play on certain video sites.

- Fixed subtitles not appearing in the Picture-in-Picture window when turned on after the window has already opened.

- Fixed the find bar becoming permanently unavailable in a tab after reversing the panes in Split View.

- Fixed some sites failing to load when DNS over HTTPS is enabled and the site does not support HTTPS.

- Fixed an issue on Windows where Zen could block an auto-hiding taskbar from showing.

- Fixed the sidebar not hiding if the urlbar is open when compact mode is enabled.

- Fixed an issue where cross-space tab routing would freeze the browser under certain conditions.

- Fixed cross-device sync losing certain tabs if they are created too quickly.

- Fixed certain issues related to live folders appearing as active even when there are no tabs showing in them.

Full details are in the [release notes](<https://www.zen-browser.app/release-notes/1.22.2b>) for [Zen Browser](<https://creatorstoolbox.com/apps/zen-browser>).

Zen Browser

Privacy-focused, beautifully designed browser built on Firefox — split views, workspaces, and a minimal UI for focused browsing.

[View Zen Browser →](<https://creatorstoolbox.com/apps/zen-browser>)

Sources

[Original source](<https://www.zen-browser.app/release-notes/1.22.2b>)

[Read Release notes for version 1.22.2b on Creators Toolbox](<https://creatorstoolbox.com/blog/zen-browser-release-notes-for-version-1-22-2b>)

---
Canonical source: https://creatorstoolbox.com/blog/zen-browser-release-notes-for-version-1-22-2b