Zen Browser 1.17.3b released
Zen Browser, a Firefox-based browser, has recently unveiled its latest iteration, version 1.16.3b. This release perfectly balances speed, privacy, and productivity, providing users with an exceptional browsing experience.
A significant aspect of this new version is the enhanced security measures it incorporates. The developers have fixed two important security issues: CVE-2025-11152, which is about a problem that lets someone escape a secure area because of a mistake in the Graphics: Canvas2D part, and CVE-2025-11153, which These security patches are crucial for safeguarding user data and defending against potential threats.
Furthermore, version 1.16.3b boasts a range of exciting new features; chief among them is its updated foundation – it now runs on Firefox 143.0.4. This upgrade not only brings the latest security patches but also enhances overall performance and compatibility with various web applications.
This release has resolved several user-reported issues in addition to these notable improvements. The developers have fixed a problem where switching between spaces would sometimes cause essential features or elements to disappear. Other minor visual inconsistencies have also been addressed, ensuring a more polished and cohesive browsing experience.
Another significant issue that has been rectified is the floating URL bar in compact mode, which would sometimes fail to revert back to its default position. Additionally, users who rely on automated updates for their browser extensions will be pleased to know that this functionality now works as intended, allowing them to stay up-to-date with the latest security patches and feature enhancements.
For downloads and a detailed change log, visit the GitHub page below:
Zen Browser Release Release build - 1.16.3b (2025-10-04)
Zen Stable Release Security Various security fixes New Features Updated to Firefox 143.0.4.
Release Release build - 1.16.3b (2025-10-04) · zen-browser/desktop

