Now Recently closed list is reset if opera restart.
It will be good not to clear it.

Forum should have vote function like vivaldi forum

[Survey item Suggestion]

Tab switching with mouse wheel + mouse right button

15 px(odd pixels) makes text less clear.

15px -
16px -

It will be good to refer SwitchyOmega extension's profile.

It is good to merge Search pop-up to Context menu.

Remote devices in Dev tools does not work. but not in Chrome.
Opera's ones does not find device connected.

It is better to have option to show context menu on select.
Search popup is subset of context menu, so it has no extensible.

Replacing Update by About Opera's ones and Moving Recovery to Settings will make new page no need.

Instant Search on open tabs means Instant Search on Tabs page is also valid.

How about add text box for filter in Tab menu?
It will make Instant Search on open tabs no need.

Please try Alt+D, type keyword, Alt+Enter.

Please use Alt+D, input keyword, Alt+Enter.

Text is still not clear.
Please change odd font size(15, 17px) to even(16, 18px).