[MLawlz]

Summary

Python 3.8 and 3.9 are end-of-life, and 3.10 reaches end-of-life in October 2026. This makes 3.11 the minimum supported version.

• Packaging: python_requires=">=3.11", and the classifiers list only 3.11–3.14.
• CI: the test matrix is now 3.11–3.14. 3.13 and 3.14 were already listed as supported but never tested. The mypy job moves from 3.9 to 3.11 and back to ubuntu-latest: ci(lint): run the mypy job on ubuntu-24.04, which has Python 3.9 #285 pinned it to ubuntu-24.04 only because actions/setup-python has no 3.9 builds on newer images. The PyPI build moves from 3.8 to 3.11.
• tox: the latest envs are py311–py314. The dependency-floor envs already ran on 3.11 and are unchanged.
• CLAUDE.md: the minimum Python is now 3.11+.
• Version: 1.9.0 → 1.10.0. 1.9.0 is master's unreleased bump for Text-to-Speech, so the 3.11 floor gets a release of its own.

No SDK code changes are needed: the suite already passes on 3.11–3.14.

Effect on users

pip on 3.10 or older skips this release and installs the newest release whose Requires-Python still allows their interpreter (1.8.2 today, or 1.9.0 if that is tagged before this merges). Their installs keep working; they stop getting updates. For that reason this is a minor bump rather than a major one.

3.8 has not worked since 0.38.0. assemblyai/types.py imports typing.Annotated, which needs 3.9, so import assemblyai fails on 3.8. Nothing caught it because #112 removed 3.8 from CI the same day.

Testing

• The full suite (958 tests) passes in CI on 3.11, 3.12, 3.13 and 3.14, and locally on 3.11 and 3.14. On macOS with 3.14, test_a_forked_child_does_not_share_the_parents_tts_connections segfaults in the forked child in about half of pytest -n auto runs. It fails at the same rate on master, so this change doesn't cause it.
• Built the sdist and wheel on 3.11, as publish.yml now does. Both carry Version: 1.10.0 and Requires-Python: >=3.11.
• With pip 24.0, the version CI pins through VIRTUALENV_PIP, the wheel installs on 3.11. On 3.10 it is rejected: requires a different Python: 3.10.21 not in '>=3.11'.
• tox -l lists the py311–py314 latest envs plus the four py311 floor envs.

Follow-up

The public docs still say "Python 3.8+" on several SDK pages (the pre-recorded, streaming, Sync STT and dictation quickstarts). They should change when this release ships.

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