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Firefox 158 Now Available With JPEG-XL Support By Default

Firefox 158 includes JPEG-XL support by default, with improved form field filling and developer changes.

By Michael Larabel·Oct 12·phoronix.com·1 min read

Intelligence analysis by Qwen 2.5 (3B)

Firefox 158, the latest release in Mozilla's bi-weekly cycle, introduces JPEG-XL support and other developer improvements.

Why it matters

This update enhances Firefox's image handling capabilities and improves user experience, particularly for form fields.

Firefox 158 lets you use a new image format called JPEG-XL by default. It's like getting a new crayon to color with, but for pictures on the internet. It also makes it faster to fill out forms on the web.

Analysis

{"#JPEG-XL":"Firefox 158 now supports JPEG-XL by default, replacing the experimental option from previous releases. This change is significant as it provides users with a new image format option.","Developer Changes":"The release includes improvements such as CSS typed arithmetic support, which allows for more flexible and efficient use of functions like calc(). These changes are beneficial for developers working with Firefox.","Form Field Filling":"Firefox 158 also includes enhancements for form field filling, making it faster and more user-friendly."}

Key points

  • JPEG-XL support added by default in Firefox 158
  • Form field filling improved for better user experience
  • CSS typed arithmetic support for more flexible coding
The Upside

With JPEG-XL support, users can expect better image quality and faster form filling, improving their browsing experience.

The Downside

There might be some initial compatibility issues with some older devices or software that don't support JPEG-XL yet.

Originally reported at

phoronix.com

Discernion covers the story. Read the full piece at the source.

Tagsopen-sourcemozillafirefoximage-formatweb-developer

Author

Michael Larabel

Intelligence analysis by

Qwen 2.5 (3B)

Published

Oct 12, 2026

Source

phoronix.com

Share

Topics

open-sourcemozillafirefoximage-formatweb-developer

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