chore(NO-TICKET): dropped support for old python

.github/workflows/main.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.9', '3.10', '3.11', '3.12', '3.13']
+        python-version: ['3.11', '3.12', '3.13', '3.14', '3.15']
 
     steps:
       - name: Checkout repository

CHANGELOG.md

@@ -6,6 +6,11 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
 
+## v9.0.0 - 2026-10-12
+
+* Drop support for Python 3.9 and 3.10 and add support for 3.14 and 3.15
+
+
 ## v8.2.1 - 2026-10-12
 
 * Added `handle_errors_async()` to Buzz

Makefile

@@ -26,7 +26,7 @@ qa/format:  ## Run code formatter
 	@uv run ruff format ${PACKAGE_TARGET} tests src/buzz_demo
 
 qa/mutate:  ## Run mutation testing (slow, not part of qa/full)
-	@uv run mutmut run
+	@uv run --group mutation mutmut run
 
 
 ## ==== Documentation ==================================================================================================

README.md

@@ -1,7 +1,11 @@
-[![Latest Version](https://img.shields.io/pypi/v/py-buzz?label=pypi-version&logo=python&style=plastic)](https://pypi.org/project/py-buzz/)
-[![Python Versions](https://img.shields.io/python/required-version-toml?tomlFilePath=https%3A%2F%2Fraw.githubusercontent.com%2Fdusktreader%2Fpy-buzz%2Fmain%2Fpyproject.toml&style=plastic&logo=python&label=python-versions)](https://www.python.org/)
-[![Build Status](https://github.com/dusktreader/py-buzz/actions/workflows/main.yml/badge.svg)](https://github.com/dusktreader/py-buzz/actions/workflows/main.yml)
-[![Documentation Status](https://github.com/dusktreader/py-buzz/actions/workflows/docs.yml/badge.svg)](https://dusktreader.github.io/py-buzz/)
+[![Latest
+Version](https://img.shields.io/pypi/v/py-buzz?label=pypi-version&logo=python&style=plastic)](https://pypi.org/project/py-buzz/)
+[![Python
+Versions](https://img.shields.io/python/required-version-toml?tomlFilePath=https%3A%2F%2Fraw.githubusercontent.com%2Fdusktreader%2Fpy-buzz%2Fmain%2Fpyproject.toml&style=plastic&logo=python&label=python-versions)](https://www.python.org/)
+[![Build
+Status](https://github.com/dusktreader/py-buzz/actions/workflows/main.yml/badge.svg)](https://github.com/dusktreader/py-buzz/actions/workflows/main.yml)
+[![Documentation
+Status](https://github.com/dusktreader/py-buzz/actions/workflows/docs.yml/badge.svg)](https://dusktreader.github.io/py-buzz/)
 
 ![py-buzz-logo](https://github.com/dusktreader/py-buzz/blob/main/docs/source/images/buzz-logo-text.png)
 
@@ -23,12 +27,14 @@ include:
 py-buzz also provides an exception class, Buzz, that can be used  as a base class
 for custom exceptions within a project.
 
+
 ## Super-quick Start
 
-* Only requires Python 3.10 or later
+* Requires Python 3.11 or later
 * Installed with pip (`$ pip install py-buzz`)
 * Each feature demonstrated in an executable demo "extra"
 
+
 ## Documentation
 
 The complete documentation can be found at the [py-buzz documentation page](https://dusktreader.github.io/py-buzz/)

docs/source/index.md

@@ -53,14 +53,14 @@ exception type.
 
 ### Requirements
 
-* Python 3.9 or greater
+* Requires Python 3.11 or later
 
 
 ### Installation
 
 This will install the latest release of py-buzz from pypi via pip:
 
-```bash
+```shell
 pip install py-buzz
 ```
 
@@ -82,13 +82,13 @@ For more examples of usage, see the [Features](features.md) page.
 
 `py-buzz` comes with an optional demo extra that can show you how to use the features. To install and run, try:
 
-```bash
+```shell
 pip install py-buzz[demo]
 py-buzz-demo
 ```
 
 Alternatively, you can run them in one command using `uv`:
 
-```bash
+```shell
 uvx --from=py-buzz[demo] py-buzz-demo
 ```

pyproject.toml

@@ -1,15 +1,15 @@
 [project]
 name = "py-buzz"
-version = "8.2.1"
+version = "9.0.0"
 description = "\"That's not flying, it's falling with style\": Exceptions with extras"
 authors = [
   {name = "Tucker Beck", email = "tucker.beck@gmail.com"}
 ]
 readme = "README.md"
 license-files = ["LICENSE.md"]
-requires-python = ">=3.10"
+requires-python = ">=3.11"
 dependencies = [
-  "typing-extensions>=4.0.0"  # When support for Python 3.10 and 3.11 is drooped, this can be removed
+  "typing-extensions>=4.0.0"  # Provides TypeForm for Python 3.11–3.14
 ]
 
 [project.urls]
@@ -41,7 +41,6 @@ dev = [
   "ipython>=8.38.0",
   "mkdocs-material>=9.7.1",
   "mkdocstrings-python>=2.0.1",
-  "mutmut>=3.4.0",
   "pre-commit>=4.5.1",
   "pyclean>=3.5.0",
   "pygments>=2.19.2",
@@ -53,6 +52,9 @@ dev = [
   "typos>=1.42.2",
   "yamllint>=1.38.0"
 ]
+mutation = [
+  "mutmut>=3.4.0"
+]
 
 [tool.pytest.ini_options]
 minversion = "7.4.0"