Firefox 105 Includes Gesture Navigation, PDF Annotation + More

Borhan Uddin
6 Sep, 2022

Mozilla Firefox 105 is shaping up to be an impressive update when the stable release lands in a couple of weeks time.

Intrigued by what I’ve been hearing, I downloaded the latest beta of the famous FOSS browser to find out first-hand what Mozilla’s got in store for us. And spoiler: it’s set to be a real doozie.

Firefox 105: New Features

Navigation Gestures on Wayland
I’ll kick off — or rather flick off — with a Linux-precise change in Firefox 105 involving gestures, specifically touchpad navigation back/forward via web history under Wayland. Yes, yes: you’re probably bored of hearing about this feature — I first wrote about it in June — but it’s taken longer than expected to be ready to ship. Frustrating though it is, I can understand devas wanting to take time to get matters proper as this change is enabled by default. In older version of Firefox you can navigate back/forward through your browsing history by pressing down the alt key while doing a two-finger swipe left/right on a touchpad. In Firefox 105, the same two-finger swipe on the touchpad moves you back/ahead via your navigation history but a) you don’t need to press alt and b) you will see on-screen animations to indicate you’re navigating:

two finger firefox compressed
Ground-breaking it ain’t, but effective it is — a change that brings Firefox up-to-par with features offered by other Linux browsers, like Epiphany.

Firefox isn’t blurry

Talking of Wayland, I have noticed that the Firefox 105 beta is pin-sharp on my 2K laptop with fractional scaling enabled. Previously, I actually have had to manually set an environment variable to stop the browser UI and content rendered within from looking blurry. You can see the difference in the screenshot below, though do note this image is compressed thus reducing the sharpness a little:

hidpi
Annoyingly, I can’t find any specific reference or indication to suggest that this pin-sharp appearance is an intentional (!) change, or one that the very last stable release will feature. As such, don’t be too surprised if the final Firefox 105 launch remains blurry by default.

PDF Annotation

If you’re the kind of person to preview PDFs in Firefox rather than a desktop PDF viewer, you’re gonna love Firefox Firefox 105 because it adds annotation to the built-in PDF viewer:
  • Click the pencil icon in the toolbar to draw freehand on a document
  • Click the text icon in the toolbar to add written annotations to any a part of the document
Freehand annotations can be drawn using your mouse, a finger, or a stylus on a touch-enabled device. You can reposition and resize your doodles, change line thickness and color, and (of course) delete them. The equal is proper for textual content annotations which you can place everywhere and, prior to saving, re-edit the text inside.

pdf annotation

Other changes

Mozilla Firefox 105 is now “much less likely to run out of memory on Linux”, according to the beta release notes. Mozilla add that browser performs better when system memory runs low. While neither of these are the kind of modifications one can “screenshot” to expose off, they are there and well-worth making a few noise about. Finally, if you’re a user of the Firefox Snap, a few readers tell me that GNOME extension integration is running out-of-the-box in the Firefox 105 Beta Snap build on Ubuntu, meaning other messaging integrations e.g., password managers, may work (some folks say the characteristic works in the 104 Snap build, but it doesn’t for me).

Download Firefox 105

Keen to get up close and personal with those modifications yourself? Hold your horses (gently); Firefox 105 is currently in beta. A stable version will appear later this month. If that doesn’t put you off you can download the latest Firefox beta as a binary from the releases page. To use the binary just extract the .tar.gz archive it downloads as and then double-click at the ‘Firefox’ binary inside to run. As the binary is “not installed” you can run it alongside a stable version installed from an alternative source, though ideally you shouldn’t do it at the equal time!
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