User Agent: Mozilla/5.0 (X11; Linux x86_64; rv:37.0) Gecko/20100101 Firefox/37.0 Iceweasel/37.0.1 Build ID: 20150404020439 Steps to reproduce: Open a website higher than the screen. Middle-click onto the scrollbar. Actual results: Nothing. Expected results: The scroll position should be set to where I clicked. This is on Debian testing. This worked fine with Firefox up to 35. It stopped working in FF 36. It also seems to depend on my GTK theme: With the Adwaita theme, I get the described behavior. With the Oxygen GTK theme, scrolling works. Also see <https://bugzilla.mozilla.org/show_bug.cgi?id=24117>.
[bugday-20150406] Hi, thanks for your report ! I confirm this bug on Linux 64bits with up-to-date Nightly. I tested on Gnome 3.14 and Plasma 5 without different behavior, middle-click on scrollbar has no effect.
Hi Ralf, Thanks for reporting this issue. I was able to reproduce with the following specs. Mozilla/5.0 (X11; Linux i686; rv:46.0) Gecko/20100101 Firefox/46.0 Build: 20151222030207