I talked with Aaron and he gave the OK to change it to just the hovered tab. Would someone like to put together the patch? I'm a bit under the weather today. You can get the relevant bits from https://searchfox.org/mozilla-central/rev/4d45674d062147e19fb1c20fb6eb82fedbeb8079/browser/themes/shared/tabs.inc.css#400-402 which had this feature but was removed.
Bug 1703791 Comment 5 Edit History
Note: The actual edited comment in the bug view page will always show the original commenter’s name and original timestamp.
I talked with Aaron and he gave the OK to change it to just the hovered tab. Would someone like to put together the patch? I'm a bit under the weather today. You can get the relevant bits from https://searchfox.org/mozilla-central/rev/4d45674d062147e19fb1c20fb6eb82fedbeb8079/browser/themes/shared/tabs.inc.css#400-402 which had this feature but was removed. You want to use that to replace https://searchfox.org/mozilla-central/rev/759872688df15a5d6ab305ffe39d90450590bfec/browser/themes/shared/tabs.inc.css#402-406