v1.0.1 v1.1.0
pydantic/montyOct 1, 2026 → Oct 5, 20264 days between releases
What's New
Adds complex type support and fixes boolean arithmetic behavior
New Features
- Adds support for the `complex` type
- Detects closure captures in `raise`, `assert`, and `except` statements
Improvements
- Improved build stability for dict literals and Profile-Guided Optimization (PGO)
- CI improvements including Rust 1.99 compatibility and PGO host interpreter injection
Bug Fixes
- Fixes boolean-to-integer handling in arithmetic expressions
- Fixes octal escapes in the re module
- Stabilizes dict literal builds to prevent crashes
Upgrade Notes
You can now use the `complex` type. Be aware that boolean arithmetic behavior has been corrected to treat booleans as integers. Script paths colliding with type stubs are now rejected.
The Two Releases
v1.0.1 - 2026-10-01
Oct 1, 2026· 21 days ago
This maintenance release focuses on build compatibility improvements, including support for CPython 3.15 and updated Linux dependencies. It also adds a new spreadsheet example and improves documentation.
Full release notesv1.1.0 - 2026-10-05
Oct 5, 2026· 17 days ago
This release introduces support for the `complex` type, fixes arithmetic expression behavior with booleans, and improves build stability. It also enhances closure capture detection and refines CI workflows.
Full release notes