The same as Vivaldi's.
Tab grouping: when you drag one tab/group over the other tab/group, after a small delay you can drop it on and create/add it to a group.
Tab lazy loading: when opening new tabs, they'll never load until you select them. Same with restoring previous session.

]]>https://forums.opera.com/topic/38127/suggestion-request-tab-grouping-and-lazy-loadingRSS for NodeSun, 08 Mar 2026 20:42:13 GMTMon, 03 Feb 2020 02:01:32 GMT60Also requesting an option to unload (not close!) unused (background, all the other) tabs in tab's context menu.

]]>https://forums.opera.com/post/197879https://forums.opera.com/post/197879Mon, 03 Feb 2020 07:15:44 GMT