v1.20251217.0

What's Changed

• Python snapshots: Refactor hiwire serialization/deserialization by @hoodmane in https://github.com/cloudflare/workerd/pull/5697
• Remove default date on fetchIterableTypeSupport by @danlapid in https://github.com/cloudflare/workerd/pull/5703
• Add patch_env to Python workers sdk by @hoodmane in https://github.com/cloudflare/workerd/pull/5687
• Account for boxed strings in body iterable handling by @jasnell in https://github.com/cloudflare/workerd/pull/5705
• CFSQL-1424: Add served_by_colo to meta information by @FlorentCollin in https://github.com/cloudflare/workerd/pull/5658
• Update CODEOWNERS by @edmundhung in https://github.com/cloudflare/workerd/pull/5706
• Use the RingBuffer for standard streams write requests also by @jasnell in https://github.com/cloudflare/workerd/pull/5701
• Run rollback code in ExplicitTxn dtor before clearing the currentTxn by @justin-mp in https://github.com/cloudflare/workerd/pull/5707

New Contributors

• @FlorentCollin made their first contribution in https://github.com/cloudflare/workerd/pull/5658

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20251216.0...v1.20251217.0