NewYour coding agent can read the release notes before it upgrades.Set up the MCP server →

PackageTrack. Know what changed before it breaks something.

About Terms of Service Privacy Policy

PyPI · #111 most downloaded on PyPI

mypy-extensions

1.1.0257M downloads/mopython/mypy_extensions ↗New releases in your daily digest, changelog included.

Type system extensions for programs checked with the mypy type checker.

Last release 1 years ago
22 Apr 2025
Release timing varies
gaps range from 2 weeks to 3.3 years
Some releases are documented
notes for 3 of 10 stable releases
Nothing withdrawn
no release was ever pulled
10 years old
10 releases · first in 2017

Release timeline

10 releases since 2017

2017201920212023

Releases

1.1.022 Apr 2025
remove dev from version
remove dev from version
Open source →
Additional notes
This project publishes no release notes. Between 1.0.0 and 1.1.0 there were 14 commits, 12 of them substantive:

Drop support for Python 3.5, 3.6 (#40)

Switch CI from Travis to GitHub Actions (#41)

Add .pre-commit-config.yaml file (#42)

Deprecate mypy_extensions.TypedDict (#47)

Add support for Python 3.12 (#48)

Move metadata to pyproject + drop Python 3.7 (#53)

Cleanup tests (#55)

Update flake8 to 7.1.1 (#54)

Deprecate mypy_extensions.NoReturn (#56)

Bump dev version to 1.1.0-dev (#57)

Switch build-backend to flit_core + use License-Expression for project metadata (#59)

remove dev from version
1.0.04 Feb 2023
This project publishes no release notes. Between 0.4.4 and 1.0.0 there were 11 commits, 10 of them substantive:
This project publishes no release notes. Between 0.4.4 and 1.0.0 there were 11 commits, 10 of them substantive:

Add 3.9 to the list of classifiers (#20)

Drop Python 3.4 support (#25)

Add 3.10 and 3.11 to classifiers (#26)

Add Python 3.8 to 3.11 to tox envs (#27)

Fix test_typeddict_errors test case on Python 3.11 (#28)

Drop Python 2 support (#29)

Document development status as stable and prepare for 1.0 release (#30)

Add mypyc native int types i64, i32, i16 and u8 (#31)

Don't describe mypy_extensions as experimental in the description (#32)

Require Python 3.5+ in setup.py and setup.cfg (#34)

2025

20172026

One column per quarter.

▸▾0.4.44 Feb 2023

This project publishes no release notes. Between 0.4.3 and 0.4.4 there were 2 commits, 1 of them substantive:

This project publishes no release notes. Between 0.4.3 and 0.4.4 there were 2 commits, 1 of them substantive:

Explicitly require Python 2.7+ to allow dropping 2.7 support later

▸▾0.4.317 Oct 2019

This project publishes no release notes. Between 0.4.2 and 0.4.3 there were 4 commits, 2 of them substantive:

This project publishes no release notes. Between 0.4.2 and 0.4.3 there were 4 commits, 2 of them substantive:

Update URL in setup.py
Add 3.8 to the list of classifiers

▸▾0.4.23 Oct 2019Deprecated

.travis.yml: The 'sudo' tag is now deprecated in Travis CI

This project publishes no release notes. Between 0.4.1 and 0.4.2 there were 19 commits, 17 of them substantive:

Bump the mypy_extensions version number to 0.5.0-dev (#5450)
Add a .gitignore.
Copy testextensions in and fix it to be standalone
Make the tests run under python 2
Add a tox.ini to drive tests
Enable travis
No real reason to not CI branches before PRs are created
trigger a build?
Run on a bunch more versions
trigger a build?
tweak dist
asdf
trigger a build?
Add 3.7 to the list of classifiers (#5)
Set TypedDict module correctly when using class definition syntax (#2) (#4)
.travis.yml: The 'sudo' tag is now deprecated in Travis CI (#8)
Add an undocumented mypyc_attr decorator (#12)

▸▾0.4.123 Aug 2018

This is again a retroactive artifact of the repo move. This differs from 0.4.0 literally only by the version number.

This is again a retroactive artifact of the repo move.
This differs from 0.4.0 literally only by the version number.

Presumbably there was a miscommunication about what we had released?

Open source →

▸▾0.4.015 Aug 2018

This release was of course actually done a long time ago, but I am redoing it in the new repo.

This release was of course actually done a long time ago,
but I am redoing it in the new repo.

Open source →

▸▾0.3.07 Jul 2017

Nothing published for this version

▸▾0.2.05 May 2017

Nothing published for this version

▸▾0.1.013 Jan 2017

Nothing published for this version

Your coding agent can read these notes before it upgrades. Set up the MCP server →