Meanwhile weechat w/wee-slack is lightweight. I do miss a richer (g)ui though - the standard console setup tends to break urls. And I haven't figured out if weechat supports soft line endings for eg: posting code snippets as a single (slack) message.
Maybe at some point I'll find the time to revisit qweechat and see if it might be possible to strike a better middleground between "it's just chat" and all the fluff slack adds.
Are threads still all over the place in wee-slack ? Last time I used it was impossible to follow a channel with multiple threads going on, let alone reply to one.
Fwiw i think threads are all over the place in slack (for Web) too. That said, a thread can be moved "out" to a buffer, and you can apparently rename them if you want/need to:
Maybe at some point I'll find the time to revisit qweechat and see if it might be possible to strike a better middleground between "it's just chat" and all the fluff slack adds.