IRC is a message-passing service, not a log synchronization service -- like many of the more modern ones are. You might say that that is one of its architectura

IRC is a message-passing service, not a log synchronization service -- like many of the more modern ones are. You might say that that is one of its architectural strengths, unless, of course, you want to see old messages that were passed when you were offline. In which case you'll need to hack something like bouncers up, which works in practice really well. Or https://ircv3.net/specs/extensions/chathistory# https://ircv3.net/specs/extensions/chathistory# this might change it.