Python etc / python changelog

Python 3.2

2020-12-15 functools.lru_cache

Python 3.3

Python 3.4

2020-10-06 enum

Python 3.5

2020-10-13 zipapp

Python 3.6

2020-07-07 `__init_subclass__` (PEP-487)
2020-07-21 `__set_name__` (PEP-487)
2020-12-24 math.tau (PEP-628)
2021-03-30 getattr type annotaions (PEP-526)
2023-07-18 zoneinfo
2023-07-25 datetime.datetime.fold

Python 3.7

2020-10-01 contextlib.nullcontext
2020-10-22 yield and comprehensions
2020-11-12 `__class_getitem__` (PEP-560)
2021-08-26 Development Mode
2022-07-19 `from __future__ import annotations` (PEP-563)
2023-08-01 unittest.mock.seal

Python 3.8

2020-07-16 @cached_property
2020-08-06 typing.final
2020-11-05 dict as `__slots__`
2021-03-16 warning about is
2021-03-25 typing.TypedDict (PEP-589)

Python 3.9

2020-05-28 str.removeprefix
2020-06-04 `dict.__or__` (PEP-584)
2020-06-09 generic built-in types (PEP-585)
2020-06-16 ast.unparse
2020-06-18 decorators (PEP-614)
2020-12-17 functools.cache
2022-09-06 gc.is_finalized

Python 3.10

2020-06-26 match
2022-01-04 zip
2022-08-02 Union alias (PEP-604)
2023-08-08 typing.ParamSpec
2023-08-10 typing.Concatenate

Python 3.11

2022-10-24 Python 3.11
2022-10-25 Column in tracebacks
2022-11-01 BaseException.add_note
2022-11-08 ExceptionGroup
2022-11-15 `except*`
2022-11-17 `except*` for regular exceptions
2022-11-22 contextlib.chdir
2022-11-29 typing.assert_type
2022-12-03 typing.Self
2022-12-06 typing.dataclass_transform
2022-12-20 reveal_type
2022-12-27 typing.LiteralString