- Switch to Nix 2.3 and NixOS 19.09. You should update your deployment to reflect the NixOS upgrade, unless you're using terraform or nix-darwin, where it's automatic.
- Increased parallellism during push to cachix
- Switch to NixOS 19.09
- Enable min-free/max-free Nix GC
- Transient errors during source code fetching are now retried
- Fixed a bug related to narinfo caching in the context of IFD
- Fixed an exception when the root of ci.nix is a list, although lists are unsupported