I've been using Boostrap 5.3.3 since the very start of my project. Everything works fine, except for Accordion. I copy the exact same examples from the Docs, but they simply don't work as the demo. My Accordions REFUSE to close. They only open and that's it. I don't know if I'm missing something here, but there's not a single result in Stack Overflow that solves this issue. ChatGPT is useless in this moment, same thing. I only get to make this god damn According to actually collapse if I use this command on the DevTools new bootstrap.Collapse(document.getElementById('accordion-id-here')).toggle(); Be aware, this implementation is directly from the docs. Page load, before clicking: After Clicking: Now, the goddamn 5.3.3 Notes also mention explicitly: - Fixed the accordion CSS selectors to avoid inheritance issues when nesting accordions. I don't know if they actually messed up but, come on, it's been out for 11 months already. Continue reading...