Latest stable version and where to download?

Dear community, I use Squeezebox since a long time now. Now issue! Just great!
But it changed some days ago. I do not know what happend - but suddenly The music paths are not known anymore, Music styles and random music play replicated itself with many more unwanted options, new menues appear (most make no sense for me)...

What happend?
What is the latest (really) stable release and where should I download it?

Thanks a lot...