No, nothing I use supports synchronizing scroll buffers beyond ZNC's behavior of dumping the scroll buffer to whichever client is connected (Colloquy on iOS, Te

No, nothing I use supports synchronizing scroll buffers beyond ZNC's behavior of dumping the scroll buffer to whichever client is connected (Colloquy on iOS, Textual on OSX). I've not found the dumping behavior to be that terrible, but I don't frequent very popular channels so it's generally not pumping out thousands of lines every time I open the app. For the most part that doesn't inconvenience me, I can respond to any pings or queries as necessary and catch up on conversation. If I need to review anything outside of ZNCs buffers it's a super quick task to just go and read the logs from disk. The main critical feature is not losing private messages and pings when moving between client, which ZNC achieves without fail. Like for you IRC isn't anything beyond recreational for me, so quirks in the workflow are just fine to work around. If it was my primary method of communication I'd be looking into improving it I suspect.