Python 3.13.1 Release News Jun 2026

FROM python:3.13.1-slim

| Module | Fix Description | |--------|----------------| | asyncio | asyncio.run() now correctly cleans up subprocesses on cancellation | | pathlib | Path.glob("**/") no longer raises RecursionError on deep directories | | typing | TypeIs and TypeGuard now work correctly with @override | | sqlite3 | Restored Python 3.12 behavior for connection.total_changes after rollback | | subprocess | Fixed TimeoutExpired not being raised on Windows when process ends just after timeout |

| ID | Description | Severity | |----|-------------|----------| | gh-125771 | Integer overflow in socket.socket.recvfrom_into() with large buffer sizes | Low | | gh-126039 | Possible stack exhaustion in email.utils.parsedate() with malformed input | Low | python 3.13.1 release news

Python 3.13.1 is available for download from the official Python website. The release is available for various platforms, including Windows, macOS, and Linux.

By allowing users to disable the Global Interpreter Lock (GIL), Python can now run multiple threads across all available CPU cores. FROM python:3

Python 3.13.1 is a that resolves multiple regressions, security concerns, and platform‑specific issues introduced in 3.13.0. All users running Python 3.13 are strongly encouraged to upgrade. The release demonstrates the maturity of the 3.13 series, making it suitable for production deployment.

December 3, 2024 Source: Python Software Foundation / Python Release Team Previous Version: Python 3.13.0 (October 7, 2024) Next Expected: Python 3.13.2 (February 2025, bugfix release) Python 3

The default REPL received its most substantial makeover in years, based largely on the PyPy interpreter. What’s New In Python 3.13

Python 3.13.1 was released on , as the first maintenance update for the Python 3.13 series. This version followed the major release of Python 3.13.0 on October 7, 2024 , which introduced transformative features like the experimental free-threaded mode and a new interactive interpreter. Python 3.13: The Foundation for Performance