I'm surprised. I've been using it for ~10 years now, on multiple Linux (CentOS, Fedora, Ubuntu, Debian) and Win7 in the past, and it's always been rock solid and extremely reliable, albeit slower than I' d like (but not too slow as to be unusuable).

I've also collaborated and discussed with hundreds of other conda users, and except for speed and the lack of official lockfiles[0], there were no complaints, only praise.

[0] The functionality was always available, but not straightforward and not named as such.