While the emacs package landscape is also changing at a rapid pace, this is also one reason of why I'm more and more getting into vim, emacs and Linux command line tools: They have been around for a long time and will be around for much longer, most likely only getting incremental changes.

I guess this is another great feature of community-maintained open source tools vs commercial software: A slower rate of change because nobody has to prove anything to anyone by adding tons of features and redesigning the UI.