I can assure that fixing the ctf bug in which one dies on the ctf base is not a particularly easy fix. I have looked into it and I believe it works like this:

Server sends death packet to client who died holding the flag on the base.
Server takes away the flag and sends it back to the base.
Client acknowledges his own death but at the same time reports his current location (the OLD one on the base) and recaptures the flag.

While a serverside fix is potentially possible it is not as straightforward a solution as one might expect.

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CTF bug dealing with repeated names saying that the flag was captured.
Personally I consider this a problem of minimal importance. Almost all levels today have masks around the edges to stop this problem.

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CTF problems related to team chat.
I've been looked into fixing this problem and aside from removing the ability to select your own team at all a fix to this problem is not particularly easy. The only appropriate solution would be a completely server side solution so any solution that has clients see chat from people who are REALLY on the correct teams would just make team chat worse because it's most likely that not everyone would have the patch.

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Just to note, I have manged to give the red team brackets around it's team chat.