From df0668743cae4fb3424ce9abbacd27777f04de87 Mon Sep 17 00:00:00 2001 From: Shantanu Jain Date: Sun, 12 Jan 2025 22:54:20 -0800 Subject: [PATCH] Update CHANGELOG.md --- CHANGELOG.md | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/CHANGELOG.md b/CHANGELOG.md index b8e9d0078a36..e5260104f3fe 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -4,7 +4,10 @@ ### Performance improvements -TODO +Mypy may be 5-30% faster. This improvement comes largely from tuning the performance of the +garbage collector. + +Contributed by Jukka Lehtosalo (PR [18306](https://github.com/python/mypy/pull/18306)). ### Drop Support for Python 3.8 @@ -33,13 +36,14 @@ Use this flag to disable this behavior. `--strict-bytes` will be enabled by defa Contributed by Ali Hamdan (PR [18137](https://github.com/python/mypy/pull/18263/)) and Shantanu Jain (PR [13952](https://github.com/python/mypy/pull/13952)). -### Improvements to partial type handling in loops +### Improvements to reachability analysis and partial type handling in loops This change results in mypy better modelling control flow within loops and hence detecting several issues it previously did not detect. In some cases, this change may require use of an additional explicit annotation of a variable. -Contributed by Christoph Tyralla (PR [18180](https://github.com/python/mypy/pull/18180)). +Contributed by Christoph Tyralla (PR [18180](https://github.com/python/mypy/pull/18180), +[PR](https://github.com/python/mypy/pull/18433)). (Speaking of partial types, another reminder that mypy plans on enabling `--local-partial-types` by default in **mypy 2.0**).