UnrealIRCd also supports this chathistory extension. And both UnrealIRCd and InspIRCd support replaying the last handful of messages to clients which don't supp

UnrealIRCd also supports this chathistory extension. And both UnrealIRCd and InspIRCd support replaying the last handful of messages to clients which don't support the extension. https://www.unrealircd.org/docs/Channel_history https://www.unrealircd.org/docs/Channel_history https://docs.inspircd.org/3/modules/chanhistory/ https://docs.inspircd.org/3/modules/chanhistory/