v0.4.3 v1.0.0-beta.1
high risk
nodejs/nodeSep 21, 2026 → Sep 21, 20260 days between releases
What's New
Major beta release drops experimental framing and implements Python standard library modules
Breaking Changes
- Dropped experimental framing ahead of v1
New Features
- Implemented Python standard library modules (sys, random, time, binascii)
- Implemented builtins: format(), eval(), exec(), locals(), print()
- Added timezone support and Auto OS calls
- Added support for runtime type definitions
- Added percent formatting support
Improvements
- Implemented remaining math aggregation functions and fma
- Fixed telemetry context propagation
- Supported print(file=sys.stderr)
- Finished binascii with uu, quoted-printable and CRC-16 conversions
- Matched CPython for int/float arithmetic on long ints
Bug Fixes
- Fixed flakey js test
- Fixed browser smoke test install
- Fixed date.today() / datetime.now() standard execution
- Fixed telemetry context propagation
Upgrade Notes
Dropped experimental framing ahead of v1 requires configuration updates. Python standard library implementations may introduce behavior changes.
The Two Releases
v1.0.0-beta.1
v1.0.0-beta.1 - 2026-09-21
Sep 21, 2026· 1 month ago
Pydantic Monty first beta release for v1.0.0 implementing extensive Python standard library modules and features.
Full release notes