I was really happy a couple months ago to see that Bootstrap 5 is (mostly) leaving jQuery behind. jQuery is an amazing tool, and its usefulness can best be shown by the fact that so much of what it was used for is not just integrated into the JavaScript standard now. If you haven’t had a chance to catch up on it Free Code Camp has a nice tutorial for you:
https://www.freecodecamp.org/news/bootstrap-5-vanilla-js-tutorial/