Drop support for Python 3.10

.github/workflows/build.yml

@@ -20,12 +20,10 @@ jobs:
     strategy:
       matrix:
         python:
-          - "3.10"
           - "3.11"
           - "3.12"
           - "3.13"
           - "3.14"
-          - "pypy-3.10"
           - "pypy-3.11"
           - "pypy-3.12"
     steps:

CHANGELOG.md

@@ -5,12 +5,22 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/), and this project
 adheres to [Semantic Versioning](https://semver.org/).
 
+For the purpose of determining breaking changes:
+
+- Only direct imports from top-level module `xz` are considered public API
+- A change that only impacts type hints validation is not considered a breaking change
+- Removing support for a version of Python that is not [officially
+  supported][python-versions] anymore is not considered a breaking change
+
+[python-versions]: https://devguide.python.org/versions/#supported-versions
+
 ## [Unreleased]
 
 [unreleased]: https://github.com/rogdham/python-xz/compare/v0.6.0...HEAD
 
 ### :house: Internal
 
+- End of Python 3.10 support
 - Add tests for PyPy 3.12
 - Update dev dependencies
 - Necessary code changes following dev dependency update: mypy, ruff
@@ -19,12 +29,9 @@ adheres to [Semantic Versioning](https://semver.org/).
 
 [0.6.0]: https://github.com/rogdham/python-xz/releases/tag/v0.6.0
 
-### :boom: Breaking changes
-
-- End of Python 3.7, 3.8, and 3.9 support
-
 ### :house: Internal
 
+- End of Python 3.7, 3.8, and 3.9 support
 - Fix test xz files generation for xz-utils 5.5.1+
 - Update license metadata as per [PEP 639](https://peps.python.org/pep-0639)
 - Freeze dev dependencies versions
@@ -40,12 +47,9 @@ adheres to [Semantic Versioning](https://semver.org/).
 
 [0.5.0]: https://github.com/rogdham/python-xz/releases/tag/v0.5.0
 
-### :boom: Breaking changes
-
-- End of Python 3.6 support
-
 ### :house: Internal
 
+- End of Python 3.6 support
 - Necessary code changes following dev dependency update: black, pylint, pytest
 - Refactor a descriptor following PEP 487
 - Add tests for CPython 3.11 and PyPy 3.9

pyproject.toml

@@ -13,7 +13,6 @@ classifiers = [
     "Programming Language :: Python",
     "Programming Language :: Python :: 3",
     "Programming Language :: Python :: 3 :: Only",
-    "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
     "Programming Language :: Python :: 3.13",
@@ -22,7 +21,7 @@ classifiers = [
     "Topic :: System :: Archiving",
     "Topic :: System :: Archiving :: Compression",
 ]
-requires-python = ">=3.10"
+requires-python = ">=3.11"
 
 [project.urls]
 Homepage = "https://github.com/rogdham/python-xz"
@@ -138,7 +137,7 @@ testpaths = ["tests"]
 
 [tool.ruff]
 src = ["src"]
-target-version = "py310"
+target-version = "py311"
 
 [tool.ruff.lint]
 select = ["ALL"]

tox.ini

@@ -2,7 +2,7 @@
 
 [tox]
 envlist =
-    py, py310, py311, py312, py313, py314, pypy3
+    py, py311, py312, py313, py314, pypy3
     build, generate-integration-files, lint, type
 
 [testenv]