Upstream this is:
https://bugzilla.mozilla.org/show_bug.cgi?id=1234158
According to: https://www.reddit.com/r/firefox/comments/4d6wt1/firefox_on_linux_doesnt_show_scroll_bar_handles/
Arch has this patch in their distro package.
Upstream this is:
https:/ /bugzilla. mozilla. org/show_ bug.cgi? id=1234158
According to: /www.reddit. com/r/firefox/ comments/ 4d6wt1/ firefox_ on_linux_ doesnt_ show_scroll_ bar_handles/
https:/
Arch has this patch in their distro package.