prepare for next release cycle

Author: Kriechi

.readthedocs.yaml

@@ -1,8 +1,10 @@
+# Read the Docs configuration file for Sphinx projects
 # See https://docs.readthedocs.io/en/stable/config-file/v2.html for details
+
 version: 2
 
 build:
-  os: ubuntu-22.04
+  os: ubuntu-24.04
   tools:
     python: "3.13"
   jobs:

CHANGELOG.rst

@@ -1,6 +1,21 @@
 Release History
 ===============
 
+dev
+---
+
+**API Changes (Backward Incompatible)**
+
+- Support for Python 3.9 has been removed.
+
+**API Changes (Backward Compatible)**
+
+- Support for Python 3.14 has been added.
+
+**Bugfixes**
+
+-
+
 4.3.0 (2025-08-23)
 ------------------
 

pyproject.toml

@@ -18,7 +18,7 @@ maintainers = [
   { name = "Thomas Kriechbaumer", email = "[email protected]" },
 ]
 
-requires-python = ">=3.9"
+requires-python = ">=3.10"
 dependencies = [
   "hyperframe>=6.1,<7",
   "hpack>=4.1,<5",
@@ -33,11 +33,11 @@ classifiers = [
   "Programming Language :: Python",
   "Programming Language :: Python :: 3 :: Only",
   "Programming Language :: Python :: 3",
-  "Programming Language :: Python :: 3.9",
   "Programming Language :: Python :: 3.10",
   "Programming Language :: Python :: 3.11",
   "Programming Language :: Python :: 3.12",
   "Programming Language :: Python :: 3.13",
+  "Programming Language :: Python :: 3.14",
   "Programming Language :: Python :: Implementation :: CPython",
   "Programming Language :: Python :: Implementation :: PyPy",
 ]
@@ -92,7 +92,7 @@ version = { attr = "h2.__version__" }
 
 [tool.ruff]
 line-length = 150
-target-version = "py39"
+target-version = "py310"
 format.preview = true
 format.docstring-code-line-length = 100
 format.docstring-code-format = true
@@ -170,15 +170,15 @@ source = [
 
 [tool.tox]
 min_version = "4.23.2"
-env_list = [ "py39", "py310", "py311", "py312", "py313", "pypy3", "lint", "docs", "packaging" ]
+env_list = [ "py310", "py311", "py312", "py313", "py314", "pypy3", "lint", "docs", "packaging" ]
 
 [tool.tox.gh-actions]
 python = """
-  3.9: py39, h2spec, lint, docs, packaging
-  3.10: py310
+  3.10: py310, h2spec, lint, docs, packaging
   3.11: py311
   3.12: py312
   3.13: py313
+  3.14: py314
   pypy3: pypy3
 """
 
@@ -211,7 +211,7 @@ commands = [
 ]
 
 [tool.tox.env.packaging]
-base_python = ["python39"]
+base_python = ["python3.10"]
 dependency_groups = ["packaging"]
 allowlist_externals = ["rm"]
 commands = [
@@ -222,7 +222,7 @@ commands = [
 ]
 
 [tool.tox.env.publish]
-base_python = ["python39"]
+base_python = ["python3.10"]
 dependency_groups = ["packaging"]
 commands = [
     ["python", "-m", "build", "--outdir", "dist/"],
@@ -231,7 +231,7 @@ commands = [
 ]
 
 [tool.tox.env.graphs]
-basepython = ["python3.9"]
+basepython = ["python3.10"]
 deps = [
   "graphviz==0.14.1",
 ]
@@ -240,7 +240,7 @@ commands = [
 ]
 
 [tool.tox.env.h2spec]
-basepython = ["python3.9"]
+basepython = ["python3.10"]
 deps = [
   "twisted[tls]==20.3.0",
 ]

src/h2/__init__.py

@@ -3,4 +3,4 @@
 """
 from __future__ import annotations
 
-__version__ = "4.3.0"
+__version__ = "4.4.0+dev"