Fresh SWE-Pro Dynamic 2026.09

Fresh SWE-Pro Dynamic 2026.09

The first public monthly release adds five enterprise-grade, source-verified software-engineering tasks.

Included repositories

• Click: sentinel copy and serialization correctness
• Starlette: IPv6 Host parsing and validation
• Celery: zero-timeout result polling
• Black: annotated-assignment semantic preservation
• redis-py: async retry configuration ownership

Verified release gates

• 5/5 real merged pull requests with pinned base, head, and merge commits
• 5/5 exact upstream PR file and hunk coverage
• 5/5 Docker baselines fail the new tests
• 5/5 Docker gold patches pass fail-to-pass and pass-to-pass tests
• Zero repository, instance, base-commit, or patch-hash overlap against 2,294 SWE-bench and 731 SWE-bench Pro public rows
• 70/70 release validation checks pass

Future public batches are planned monthly. Subscribe with GitHub release notifications or the repository Releases Atom feed.