Mozilla has started rolling out Firefox 149, one day ahead of schedule.It focuses on smarter multitasking and productivity-focused features.The latest version finally delivers a built-in split-screen mode that’s been in testing for months.
There’s also a polished interface with updated visuals.Here’s everything new in Firefox 149.Firefox 149 is smarter and more safe Firefox is joining the likes of Microsoft Edge, Vivaldi, and Opera that offer split-screen functionality.
It allows side-by-side browsing within a single window that can be genuinely useful for researching, shopping, comparing information, and referencing one page while working on another.You can enable this feature by right-clicking on a tab and choosing ‘Open in Split View’.If you frequently switch between browser windows, Split View on Firefox 149 can streamline your workflow significantly.
Firefox 149 also has updated hardware acceleration that makes PDF files open noticeably faster, especially with large or graphics-heavy documents.You can also download images from PDFs via the context menu instead of taking screenshots or opening the file in external editors.With the new update, Firefox is more secure against dangerous websites.
Version 149 now automatically cuts off notifications and permanently revokes permissions for any site flagged as malicious by SafeBrowsing.This stops sketchy websites from bombarding you with background notifications—a common tactic for ads, spam, and phishing attempts.Mozilla has also introduced some interface changes.
The privacy and security information is now merged into a unified ‘Trust Panel’ from the address bar.This means you can quickly review permissions, tracking protections, and connection security in one place.The browser’s error pages get a visual refresh that better matches Firefox’s overall design language.
Firefox 149 also adds a customizable Share button to the toolbar, making it easier to share the current tab using your Windows or macOS sharing options.It can be added via Customize Toolbar, and then you can simply share the page without having to copy and paste URLs.Meanwhile, people in Australia, India, Italy, Poland, and Austria can now use the Address Autofill feature for the first time.
If you’re tired of typing your address repeatedly, this feature’s got you covered.There are also some notable performance improvements with Firefox 149, including HTTP/3 upload performance on unstable network connections that should benefit users dealing with inconsistent internet speeds.The WebRender layer compositor on Windows reduces power usage during full-screen video playback.
Related 10 Firefox Config Setting to Tweak for Improved Performance and Privacy Firefox has a lot of customization options to make it truly yours.Posts 1 By Brad Morton Firefox should automatically download and install the update on your computer once it’s available.In case you don’t want to wait, you can update manually by clicking the menu icon and selecting ‘About Firefox’.
Firefox can also be downloaded from Mozilla’s official website, Microsoft Store, and Apple App Store.Subscribe to our newsletter for browser updates Curious about Firefox 149 and other browser changes? Subscribe to the newsletter for clear, practical coverage of browser updates, feature explainers, and hands-on tips so you can understand what each release means for your browsing experience.Get Updates By subscribing, you agree to receive newsletter and marketing emails, and accept our Terms of Use and Privacy Policy.
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