Patreon and Q23 switching away from vBulletin

I skimmed through one thread from start to finish, saw the following issues:

Lists not getting translated at all:

http://q23.ajalan.info/t/offworld-trading-company-from-mohawk-games/74837/895

Vs.


Other tags nested inside a URL tag being misinterpreted:

http://q23.ajalan.info/t/offworld-trading-company-from-mohawk-games/74837?u=jsnell

(Or a more compelling, example:

No idea of what’s going on here, the URL tags look completely vanilla. The only thing is that there’s two of them on the same row, but that seems like it’d be pretty common. (Is the converter maybe a bunch of regular expressions rather than a proper parser?)

http://q23.ajalan.info/t/offworld-trading-company-from-mohawk-games/74837/161?u=jsnell

Smilies are getting autoconverted to emoticons. This should probably not be done, since it seemed that the consensus with the test site was to disable the emoticons. (It also looks really odd when there’s a mixture of converted and unconverted smilies).

http://q23.ajalan.info/t/offworld-trading-company-from-mohawk-games/74837/297?u=jsnell

Blockquotes appear out of nowhere (probably because the meaningless whitespace at the start of a row is being preserved, and then Markdown semantics get applied to that whitespace).

http://q23.ajalan.info/t/offworld-trading-company-from-mohawk-games/74837/312?u=jsnell

Asterisks and dashes at start of row get converted to list items. But that’s not how they’re being used. Instead it’s things like:

Footnotes:

Start of a signature:

(Note that this only happens to the original post, not if the exact same content gets quoted: http://q23.ajalan.info/t/offworld-trading-company-from-mohawk-games/74837/879?u=jsnell )
.

URLs that used to be auto-linkified showing up as just normal text: