Support Python 3.11-3.15

.github/workflows/build-release.yml

@@ -16,10 +16,10 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - { name: "3.10", python: "3.10", tox: py310-marshmallow }
-          - { name: "3.14", python: "3.14", tox: py314-marshmallow }
-          - { name: "lowest", python: "3.10", tox: py310-lowest }
-          - { name: "dev", python: "3.14", tox: py314-marshmallowdev }
+          - { name: "3.11", python: "3.11", tox: py311-marshmallow }
+          - { name: "3.15", python: "3.15", tox: py315-marshmallow }
+          - { name: "lowest", python: "3.11", tox: py311-lowest }
+          - { name: "dev", python: "3.15", tox: py315-marshmallowdev }
     steps:
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7
         with:

CHANGELOG.rst

@@ -23,7 +23,8 @@ Other changes:
   This allows nested fields with a `load_default` to be used to better customize
   behavior.
 * Drop support for marshmallow 3, which is EOL.
-* Drop support for Python 3.9, which is EOL (:pr:`1019`).
+* Drop support for Python 3.9 and 3.10, which are EOL (:pr:`1019`, :pr:`1111`).
+* Test against Python 3.15.
 * Drop support for Bottle < 0.13 (:pr:`1019`).
 * Drop support for Flask < 3.1.0 (:pr:`1023`).
 * Drop support for Django < 5.2.0 (:pr:`1023`).

pyproject.toml

@@ -15,11 +15,11 @@ classifiers = [
   "Intended Audience :: Developers",
   "Natural Language :: English",
   "Programming Language :: Python :: 3",
-  "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 :: 3.15",
   "Topic :: Internet :: WWW/HTTP :: Dynamic Content",
   "Topic :: Internet :: WWW/HTTP :: WSGI :: Application",
 ]
@@ -39,12 +39,10 @@ keywords = [
   "api",
   "marshmallow",
 ]
-requires-python = ">=3.10"
+requires-python = ">=3.11"
 dependencies = [
   "marshmallow>=4.0.0,<5.0.0",
   "packaging>=17.0",
-  # depend on typing-extensions conditionally for annotations
-  'typing_extensions>=4.0; python_version<"3.10"',
 ]
 
 [project.urls]

tox.ini

@@ -2,21 +2,21 @@
 requires = tox-uv
 envlist=
     lint
-    py{310,311,312,313,314}-marshmallow
-    py314-marshmallowdev
-    py310-lowest
+    py{311,312,313,314,315}-marshmallow
+    py315-marshmallowdev
+    py311-lowest
     docs
 
 [testenv]
 runner = uv-venv-lock-runner
 dependency_groups = test-all-frameworks
 commands = pytest {posargs}
 
-[testenv:py314-marshmallowdev]
+[testenv:py315-marshmallowdev]
 runner = uv-venv-runner
 deps = https://github.com/marshmallow-code/marshmallow/archive/dev.tar.gz
 
-[testenv:py310-lowest]
+[testenv:py311-lowest]
 runner = uv-venv-runner
 deps =
     flask==3.1.0