Missed a bunch of work-related IMs yesterday because the app had frozen (not crashed) & I didn’t need to send any, so I didn’t see it was unresponsive.
Instead, it sat there, “on” but not picking up messages, gobbling up memory until today my computer reported it was out of application RAM & I needed to force quit something. Like, say, the messenger taking up 112 GB of what I can only assume was swap space, since the computer doesn’t have that much.