We’ve consolidated extra menus to reduce clutter and be more intuitive through the three bars menu in the upper right or by right-clicking to activate it on your computer screen. Menus are where key Firefox actions and commands live. The new toolbar is simplified and clutter-free so you get to the good stuff effortlessly. After web page content, it’s what you look at most in Firefox. It’s the place where you type a URL to go somewhere online. The toolbar is naturally where you start every web visit. A new icon set, crisp typography and thoughtful spacing throughout all reflect a modern aesthetic for 2021. The fresh new Firefox is easy on the eyes, bright and buoyant on screens of all sizes - computers, phones and tablets. The resulting new design is simple, modern and fast and delivers a beautiful experience to support what people do most in Firefox. We obsessed over distractions, extra clicks and wasted time. We listened to feedback and gathered ideas from regular people who just want to have an easier experience on the web. Going into the Firefox redesign, our team studied how people interact with the browser, observing their patterns and behaviors. A sleek, clean Firefox design backed by research

Find PDF in the list and change it to the desired value.It’s all happening starting today in Firefox.

In the General panel, go down to the Applications section.

Alternatively, enter about:preferences in the address bar.

Click the hamburger menu button and choose “Preferences”.

Here is how to disable the built-in PDF viewer or use the system viewer: The built-in PDF viewer in Firefox has progressed continuously since its introduction in 2013, but I still prefer using the distribution’s document viewer (Evince/Xreader/…). Disable the built-in PDF reader in Firefox

mousewheel.system_scroll_override_on_root_Ģ.

There are a few more variables which influence the vertical scrolling speed and can be changed safely, for example:

The acceleration computations create a constant acceleration effect, but this value can control the level of acceleration.

: The multiplicative factor used to determine the rate of acceleration.

Suggested values: 2 (accelerations kicks in really fast) to 5. This value determines whether or not acceleration computations are applied to a given scroll event.

: The mouse wheel “click” number at which acceleration begins to take effect.

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