It seems that current LTS relase needs more bug and glitches fixing, quality is worse than before :-( It's not just snaps, also software center have it's problems (crashing, glitches/lags in listing and installing apps, driver detection problems). I used Ubuntu for many years, it's normal that some relases are more polished that other. Overally great OS and it's "free". Let's hope they will fix it. I used error reporting functionality and also donated to Ubuntu.