Tabs are cool

I like tabs in a browser. The main feature of tabs are launching two different instances of the one web app.
And I dislike it when developers broke this feature. In Telegram web app I cannot run two tabs, because of "Such error, many tabs". But I need many tabs when I copy some information from notes to my public channel or personal messages.

Tabs are a reason why I use web apps against desktop apps. I like when developers add tabs to desktop apps also. We have tabs in Total Commander and Figma.
But we have no tabs in Notion, and this is a reason why I use the web version of Notion even the web is much slower than the desktop app.