We use GitLab CI, and it's been working maintenance free for 3 years now. We configured the test runners in 2016, and haven't touched them since and they have n

We use GitLab CI, and it's been working maintenance free for 3 years now. We configured the test runners in 2016, and haven't touched them since and they have never randomly broken - even across GitLab updates (of course, YMMV depending on if you like to be on the bleeding edge all the time; we are always 1 cycle behind the bleeding edge).