Its very common in this new version of Safari to not be able to close tabs because the little x icon does not show on the tab window and I have to right click the tab to close it, or just do command +W. It should not be like this. A bug?
Well I wont do that as Safari 15 is better it just has some bugs as does IOS 15, Watch OS 8, and the rest. Did you know in Watch OS 8 you cant see voicemail transcripts as you could in Watch OS 14?