jQuery has had plenty of breaking changes https://jquery.com/upgrade-guide/3.0/ https://jquery.com/upgrade-guide/3.0/ https://jquery.com/upgrade-guide/3.5/ htt

jQuery has had plenty of breaking changes https://jquery.com/upgrade-guide/3.0/ https://jquery.com/upgrade-guide/3.0/ https://jquery.com/upgrade-guide/3.5/ https://jquery.com/upgrade-guide/3.5/. jQuery 4's breaking changes are massive https://blog.jquery.com/2024/02/06/jquery-4-0-0-beta/ https://blog.jquery.com/2024/02/06/jquery-4-0-0-beta/ The beauty of the web is that the underlying browers are incredibly backwards compatible. If you don't change jQuery or your post-post-post-modern framework, it's very likely continue to work just as they ever did.