Thanks @a_5mith, let us know. The tags one definitely sounds like a new bug though.
gh#1947julianlam created this issue in NodeBB/NodeBB closed Topics with tags with an ampersand in it are not found in the tags page #1947
Jus filled and issue for some odd behaviour i just saw on this community:
Can be seen on this thread: https://community.nodebb.org/topic/10098/loading-nodebb-in-my-site-through-iframe
As you can see, in the replay the @userslug is not highlighted and do not generate a link to the OP profile. The reply was posted using the "reply" button of the OP post.