https://forums.opera.com/topic/63233/mouse3-to-close-tab-island-hitbox-bug
Mouse3 to close tab island hitbox bug | Opera forums
Jun 17, 2023 - Using mouse3 to close an island tab does not work when the cursor is above it. Images: https://imgur.com/a/BcKSmpX
close tabislandhitboxbugopera