https://support.mozilla.org/en-US/kb/compact-mode-workaround-firefox
- Navigate to
about:configand clickAccept the Risk and Continue - Find the
browser.compactmode.showpreference - Toggle the setting to
trueand close the tab - Click the hamburger menu in the top right
- Click
More Tools - Choose
Customize toolbar... - At the bottom of the panel, click
Density - Choose
Compact (not supported) - Click
Done
- Navigate to
about:configand clickAccept the Risk and Continue - Find the
webgl.force-enabledpreference - Toggle the setting to
trueand close the tab - Navigate to
webglreport.comto check that WebGL is working
- Navigate to
about:configand clickAccept the Risk and Continue - Find the
ui.key.menuAccessKeyFocusespreference - Toggle the setting to
falseand close the tab