# Zen Browser 1.21.13b — Release build - 1.21.13b (2026-08-09)

- Product: Zen Browser (https://whatsnew.fyi/product/zen-browser)
- Vendor: Zen Browser
- Date: 2026-08-10
- Version: 1.21.13b
- Original notes: https://github.com/zen-browser/desktop/releases/tag/1.21.13b
- Permalink: https://whatsnew.fyi/product/zen-browser/releases/1.21.13b

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- **fixed** — Fixed infinite media players appearing infinitely in the sidebar when a page has multiple media players

#### Zen Stable Release


##### Fixes
- Fixed infinite media players appearing infinitely in the sidebar when a page has multiple media players.
- Other bug fixes and improvements.