Chrome will let you select multiple tabs; click on the one on the right, shift-click on the leftmost you want to close, Ctrl-W. Not quite the same thing, I know.

vivaldi browser has it.

I believe the idea was new tabs open / append on right. So, just satisfy major usecase.

Say you come to hacker news and open top five links in a new tab, after visiting all 5 websites, you wouldn't want to close the homepage and the previous 4 websites. You usually want to close just the 5 websites you opened and not the hacker news page. So, user just have to right click on hackernews tab and choose "close tabs to the right".

I also want 'close tabs to the left' it would be useful, when you open 20 links and read through 15 of the links, you don't want those websites you visited to hog you memory, here "close tabs to the left" would be helpful.

I guess the assumption is you opened all those tabs and don't want them rather than, you opened all those tabs and now those are your baseboard and don't remember what came before them

But the latter is definitely my workflow

Because new age UXers came in to run the product and thought it was too repetitive to have 2 almost similar functionalities in the right click context menu. It wasn't aesthetically pleasing they said.

Older versions used to have both. idk why this situation has changed recently.

It’s a stack not a queue

There is in Vivaldi.