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sorting things several times is slow, and our roster wrapper is even
slower. remove the overly slow code until the roster wrapper is
rewritten (do we even need this level of detailed sorting in the first place?)

Otherwise we could, for example, enable a self-ping event on non-joined
rooms where we just displayed an error message. And that’s bad.

(for easier API access)

fix #3076

Hopefully making it clearer

The handlers are always there, but we only get carbons events when the
server sends them to us, which is only when we enabled them.

fix #3104

even if custom_host was set, poezio would use the dns records for the
reconnection

users changing affiliations or roles weren’t moved around properly

for nicks with length > 10 and messages longer than one line, it would
overflow on the line below everytime.

explicitly.

The roster wrapper sucks and is way too slow. Halve refresh time by more
than 50% using manually managed counters.

(not technically *required* but gives a very nice speedup)

(we can have thousands of these)

Also only run one regex on search_for_color()

(API changes in slixmpp)

To hide or show the JID of the contact in conversation tabs.

tends to happen quite often

(thanks eijebong)