v2026.09.21 v2026.09.22

Name: nn-zero-to-hero
Author: karpathy

karpathy/nn-zero-to-heroSep 20, 2026 → Sep 21, 20261 day between releases

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Analyzing what changed between v2026.09.21 and v2026.09.22. This page updates automatically — usually within a minute.

The Two Releases

v2026.09.21

Sep 20, 2026· 1 month ago

This release improves background job recovery with a new delayed_job_master process and watchdog, adds configurable timeouts, and updates the Ruby and Docker runtimes.

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v2026.09.22

Sep 21, 2026· 1 month ago

This release prioritizes JSONPath safety by restricting legacy method calls and switching to RFC 9535 evaluation by default to prevent security vulnerabilities.

Full release notes