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Fun fact: in Taiwan Telnet-based BBS is still quite popular today. The most popular forum, PTT, has 50~100k concurrent users.

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Telnet support for PTT has already been deprecated for security reason so I am not sure PTT still count as a telnet-based BBS. Only ssh and websocket is supported nowadays.

Whether it counts depends from whether it's just "deprecated" or whether the users have actually stopped using it.

Consider that the GNU version of "fgrep" was "deprecated" for just under 14 years. And yet people were very clearly still using it in 2022 (when the 2021 code change apparently hit Debian) and 2023 (when the change hit Chris Siebennmann).

It is deprecated is the sense that you can't even login using telnet. Try `luit -encoding big5 telnet ptt.cc`, and it will tell you to switch to websocket or ssh in Chinese.

Disabling login is not deprecation. It's outright discontinuance.

Wow that's interesting. Any similar ones in the US?

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