Firefox 145 ships with a handy tab group improvement, MKV support and better fingerpr

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Mozilla has released a new stable version of its open source Firefox web browser a moment ago.Firefox 145 is the latest version of the browser and it comes with several new features, improvements and changes.

On the feature side, Mozilla is adding support for PDF comments, which lets you add, edit or delete comments. There is also a handy option to reveal all tabs of a tab group and a new option to create links to specific parts of webpages. On the downside, support for 32-bit versions of Linux is ending with this release.

The Firefox Extended Support Releases (ESR) 140.5 and 115.30.0 are also released today. As usually, they focus on security fixes and bug fixes, but do not contain new features.

Firefox 145: the major changes and new featuresComments in PDF documents



If you use Firefox to view PDF documents, you may know use new editing tools. Mozilla added support for adding, editing, and removing comments from PDF documents. This is a built-in feature that does not require any plugins or third-party applications.

To add a comment, simply highlight content, right-click on the selection and

The PDF viewer supports a range of editing options already. You can add text or highlight sections, add a signature, draw on the PDF or add images to it. The new commenting option complements these features and may improve the appeal in business scenarios.

Reveal tabs in tab groups

Tab groups is a relatively new feature, at least in the current form, in Firefox. The feature enables you to add multiple tabs to a group, which you can then collapse or reveal. It improves manageability, especially if you happen to have lots of tabs open.

You could create tabs for various activities, such as shopping, gaming, or research, keep them collapsed most of the time to only expand them when needed.

Firefox 145 introduces sort of a preview feature for tab groups. If you want to know which tabs are in a group, you can now hover over the tab group to reveal all its tabs. Previously, you had to click to expand it, and then click again to collapse it.

It is a handy little feature that improves the handling of tab groups in the browser.

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