A newer Discourse version is here. Make sure you refresh your browser.
This looks like a beta version? Was it a rush?
I have a bunch of issues, mainly with jquery(?).
All of the Discourse releases are beta versions.
Not sure what you mean?
Unless they started five days ago it's not to do with this particular update. However, you should also check your browser (e.g. clean your cache, try with a different browser, and try with a clean profile). Also read: