Before you move to Python 3.15 (or 3.15t), find every dependency with no wheel for it on your platforms — and the bump that fixes it. CLI, GitHub Action, MCP server.
Checks which .env, .git, keys and source maps Cloudflare Pages, Vercel, Netlify or Firebase would publish, before and after deploy. CLI, live probe, Claude Code hook, MCP server and GitHub Action.
Shows, cron slot by cron slot, how late each scheduled GitHub Actions run started, which slots never ran, and whether your config or GitHub's scheduler is to blame; can catch up missed slots without double-running.