* Fix profiling inside a venv on windows [216](https://github.com/benfred/py-spy/issues/216)
* Detect GIL on Python 3.9.3+, 3.8.9+ [375](https://github.com/benfred/py-spy/issues/375)
* Fix getting thread names on python 3.9 [387](https://github.com/benfred/py-spy/issues/387)
* Fix getting thread names on ARMv7 [388](https://github.com/benfred/py-spy/issues/388)
* Add python integration tests, and test wheels across a range of different python versions [378](https://github.com/benfred/py-spy/pull/378)
* Automatically add tests for new versions of python [379](https://github.com/benfred/py-spy/pull/379)