If you quote someone, the quote will have the number of their post next to the name, and appear slightly faded, is this new?
There are no quote or multiquote buttons anymore, just reply.
We are moving away from BBCode style syntax to use Markdown.
https://github.com/adam-p/markdown-here/wiki/Markdown-Cheatsheet
So you can put things in a blockquote using >
>this is a blockquote
becomes
this is a blockquote