Jupyter (Anaconda) change history: Errors downloading repodata.json on conda.anaconda.org

A major incident affected conda commands near San Jose, California, including Github Actions runners, with repodata.json connection failures or 503 errors. It started 2025-12-01 21:58 UTC and was marked resolved (computed duration: 0 min), although the update reports impact through 2025-12-02 03:35 UTC. The vendor cited a connection spike at a single regional data center.