Firefox 141.0.3 Now Live – Critical Tracking Protection Regression Patched

ByHazem Yasser

Firefox 141.0.3 Now Live – Critical Tracking Protection Regression Patched

Just days after rolling out Firefox 141.0.2 — a patch aimed at fixing crashes on systems with older Nvidia drivers — Mozilla has pushed another quick update: Firefox 141.0.3. While minor in scope, this new release addresses two specific but noticeable issues affecting user experience and privacy transparency.

Unlike major feature updates, this version focuses solely on stability and accuracy, continuing Mozilla’s trend of rapid response to real-world bugs reported by the community.

Fix #1: Svelte-Based Websites Now Work as Expected

One of the fixes resolves a regression that impacted websites built with Svelte, a modern JavaScript framework used to create dynamic, responsive user interfaces. In recent Firefox versions, users noticed that interactive elements — like success messages after form submissions or dropdown menus — would briefly appear and then disappear unexpectedly.

For example, clicking a button to submit a form might show a “Thank you” message that vanishes seconds later, even though it should remain visible. This behavior confused users and broke expected UX patterns on many modern web apps. The issue has now been patched, restoring reliable performance on Svelte-powered sites.

Fix #2: Cryptominers Properly Labeled in Tracking Protection

The second fix improves transparency in Firefox’s Strict Tracking Protection (STP). While Firefox was already blocking known cryptomining scripts in the background, these blocked requests weren’t showing up in the protection log — making it seem like no action was taken.

With 141.0.3, cryptominers are now correctly listed as blocked in the tracker report that appears in the address bar. This doesn’t change the actual protection level (they were blocked before), but it gives users clearer insight into what’s being stopped, enhancing trust and visibility.

How to Get the Update

Firefox 141.0.3 is now available across all supported platforms, including Windows, macOS, Linux, and Firefox for Android. You can download it from:

  • The official Firefox website
  • The Microsoft Store (for Windows 10 and 11)
  • Directly within your current browser via Menu > Help > About Firefox

The update downloads and installs automatically in the background, but checking manually ensures you’re protected right away.

What’s Behind the 141 Series Updates?

Both 141.0.2 and 141.0.3 are maintenance releases for Firefox 141, the main version launched in late July. That update introduced several notable improvements, such as:

  • AI-powered tab grouping to organize open tabs automatically
  • Better handling of vertical tabs and overflow in toolbars
  • Memory usage optimizations for Linux users
  • Full WebGPU support on Windows (a step toward faster graphics performance)
  • A smarter address bar with expanded command capabilities

These follow-up patches ensure the core experience remains smooth and secure, especially for users who rely on the browser daily.

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