Changes since 2.5.9: e52cd81
[Add-on Manager (about:addons)]
- (tweak) Fx68+: add-ons manager > alternative appearance (thx to yochaym)
- (tweak) Fx68+: add-ons manager > replace button labels with icons (thx to yochaym)
- (tweak) Fx68+: add-ons manager > show buttons on hover over add-on card only
- (new) Fx68+: add-ons manager > colorized icons (if 'replace button labels with icons' is active)