Python Release Python 3.14.3 | Python.org

Notice: This page displays a fallback because interactive scripts did not run. Possible causes include disabled JavaScript or failure to load scripts or stylesheets. Release date: Feb. 3, 2026 This is third maintenance release of Python 3.14 Python 3.14.3 is the third maintenance release of 3.14, containing around 299 bugfixes, build improvements and documentation changes since 3.14.2. Major new features of the 3.14 series, compared to 3.13 Some of the major new features and changes in Python 3.14 are: New features PEP 779: Free-threaded Python is officially supported PEP 649: The evaluation of annotations is now deferred, improving the semantics of using annotations. PEP 750: Template string literals (t-strings) for custom string processing, using the familiar syntax of f-strings. PEP 734: Multiple interpreters in the stdlib. PEP 784: A new module compression.zstd providing support for the Zstandard compression algorithm. PEP 758: except and except* expressions may now omit the brackets. Syntax highlighting in PyREPL, and support for color in unittest, argparse, json and calendar CLIs. PEP 768: A zero-overhead external debugger interface for CPython. UUID versions 6-8 are now supported by the uuid module, and generation of versions 3-5 are up to 40% faster. PEP 765: Disallow return/break/continue that exit a finally block. PEP 741: An improved C API for configuring Python. A new type of interpreter. For certain newer compilers, this interpreter provides significantly better performance. Opt-in for now, requires building from source. Improved error messages. Builtin implementation of HMAC with formally verified code from the HACL* project. A new command-line interface to inspect running Python processes using asynchronous tasks. The pdb module now supports remote attaching to a running Python process. For more details on the changes to Python 3.14, see What’s new in Python 3.14. Build changes PEP 761: Python 3.14 and onwards no longer provides PGP signatures for release artifacts. Instead, Sigstore is recommended for verifiers. Official macOS and Windows release binaries include an experimental JIT compiler. Official Android binary releases are now available. Incompatible changes, removals and new deprecations Incompatible changes Python removals and deprecations C API removals and deprecations Overview of all pending deprecations Python install manager The installer we offer for Windows is being replaced by our new install manager, which can be installed from the Windows Store or from its download page. See our documentation for more information. The JSON file available for download contains the list of all the installable packages available as part of this release, including file URLs and hashes, but is not required to install the latest release. The traditional installer will remain available throughout the 3.14 and 3.15 releases. More resources Online documentation PEP 745, 3.14 Release Schedule Report bugs at github.com/python/cpython/issues Help fund Python directly (or via GitHub Sponsors) and support the Python community And now for something completely different Today is the third day of the second month and √3 + √2 ≈ π. Enjoy the new release Thanks to all of the many volunteers who help make Python Development and these releases possible! Please consider supporting our efforts by volunteering yourself or through organisation contributions to the Python Software Foundation. Full Changelog macOS Download macOS installer Windows Download Python install manager Source release Download XZ compressed source tarball Version Operating system Description File size Sigstore SBOM SHA-256 checksum Gzipped source tarball Source release 29.6 MB .sigstore SPDX d7fe130d0501ae047ca318fa92aa642603ab6f217901015a1df6ce650d5470cd XZ compressed source tarball Source release 22.7 MB .sigstore SPDX a97d5549e9ad81fe17159ed02c68774ad5d266c72f8d9a0b5a9c371fe85d902b Android embeddable package (aarch64) Android 20.4 MB .sigstore 90bc78465ac0fef8493e21da2906434e1e596f5a8d1fc188e3c3611b34850c35 Android embeddable package (x86_64) Android 20.7 MB .sigstore 72fe02f4c1003dbdd3b4ce130416c25887620320da6920ddd76ff2e25e4ee107 macOS installer macOS for macOS 10.15 and later 72.2 MB .sigstore 50b709f72cb5ed87d5882901923face981dd657569717761832c36db3bf08238 Windows installer (64-bit) Windows Recommended 28.8 MB .sigstore SPDX b68ad91421afbbd1a628105199c8c5f6179b21ba799067a8d8c0bbac3b7defb0 Windows installer (32-bit) Windows 27.4 MB .sigstore SPDX f3a8e8499725bdba6ffac39bd822647febcf23740d430acdc948c4cbc58b1bfe Windows installer (ARM64) Windows Experimental 28.1 MB .sigstore SPDX f62a3d28d7070078b3078e2db5777823e1591c6c1a3e596708cebf74ea2b4de6 Windows embeddable package (64-bit) Windows 11.5 MB .sigstore SPDX ad4961a479dedbeb7c7d113253f8db1b1935586b73c27488712beec4f2c894e6 Windows embeddable package (32-bit) Windows 10.1 MB .sigstore SPDX b249a32c4c186fef19b86a3ca8e7a9cdcacb3dc341228e44916e7defddb6119d Windows embeddable package (ARM64) Windows 10.8 MB .sigstore SPDX 3826ea24fb771a0e15aff90ab9bedcbb914d41a5df280b44ae3a43cd61cb9b02 Windows release manifest Windows Install with 'py install 3.14' 15.1 KB .sigstore 80adae774923edbc3d3119c9e3742b2a5925aac8b9cc3c1cc2125b27ffb2ce7e