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#workers

1 post tagged.

01

An idempotency bug that only affected posts with em-dashes

My nightly D1 to GitHub backup worker claimed idempotency and quietly lied about it every run. The culprit: atob() returns a latin-1 string, not UTF-8. Here is how I found it and the 13-line fix. #cloudflare#typescript#debugging#workers 2026-04-23 · cloudflare