- The minimum supported Python version is now 3.7.
- Wheels are now published with the Python stable ABI (``abi3``) for
compatibility across versions of Python.
-- SSL certificate verfication and hostname checks are now enabled by default in
+- SSL certificate verification and hostname checks are now enabled by default in
more places (primarily in client-side usage of `.SSLIOStream`).
- Various improvements to type hints throughout the package.
- CI has moved from Travis and Appveyor to Github Actions.