# July 2-9, 2023 in Darker: NixOS testing improvements and macOS CI fixes

[akaihola]

This week saw improvements to our testing infrastructure and continuous integration processes. We made significant changes to our NixOS testing setup to enhance early detection of compatibility issues. A new pull request (PR #505) introduced tests on NixOS unstable and upgraded the Python version to 3.11 for these tests. This proactive approach allows us to identify and address potential incompatibilities earlier in the development process.

On the CI front, we resolved an issue affecting our macOS builds. PR #504 upgraded cachix/install-nix-action used in our GitHub Actions workflow, successfully fixing the problem and ensuring smooth execution of our CI pipeline on macOS systems. These improvements to our testing and CI processes help maintain Darker's reliability across different environments and Python versions.

In community news, we reached out to a potential new collaborator, inviting them to review recent changes and possibly join the project in a more official capacity.

---

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