beefmode

Captcha starts appearing if you bump the version of JavaFX, seems like an outdated WebView issue. I haven't noticed any GUI bugs in the login procedure (up to the SMS...

Completely clearing your Chatty's cache folder might fix the long startup time, as a workaround while the bug is present. "C:\Users\\.chatty\cache" per KianaOtter's comment on Windows, "~/.chatty/cache" on Linux.