Hi, zimoun :) On Tuesday, November 23rd, 2021 at 2:32 PM, zimoun wrote: > > You can run: > > guix pull --branch=core-updates-frozen > > and upgrade your system. Report the failures. Note that it is > > possible that substitutes are missing; maybe check using "guix > > weather" the availability if you cannot or do not want to burn CPU. Is there a way to see this information on the web (https://ci.guix.gnu.org/)? Say, substitute availability for packages in core-updates-frozen (x86_64-linux). The machine I use is not capable of building much, and running "guix weather -s x86_64-linux" takes a lot of time.