Use Python 3.10 as the default Python version for new apps #1296
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Previously if a new app did not specify a Python version via a `runtime.txt` or the appropriate `Pipfile` config option, then the buildpack would default to the latest Python 3.9 release (currently Python 3.9.11). Now the buildpack will use the latest Python 3.10 release (currently Python 3.10.3). This does not affect: * apps that specify an explicit Python version * existing apps that have already had a build using the previous default version (since that version is remembered from one build to the next, via the "sticky versions" feature). Use-cases involving new apps that aren't compatible with Python 3.10 will now need to specify Python 3.9 explicitly: https://devcenter.heroku.com/articles/python-support#specifying-a-python-version GUS-W-10881777.
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dzuelke
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edmorley
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To pick up #1296. GUS-W-10881777.
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edmorley
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To pick up #1296. GUS-W-10881777.
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Previously if a new app did not specify a Python version via a
runtime.txtor the appropriatePipfileconfig option, then the buildpack would default to the latest Python 3.9 release (currently Python 3.9.11).Now the buildpack will use the latest Python 3.10 release (currently Python 3.10.3).
This does not affect:
Use-cases involving new apps that aren't compatible with Python 3.10 will now need to specify Python 3.9 explicitly:
https://devcenter.heroku.com/articles/python-support#specifying-a-python-version
However most apps should be compatible, since Python 3.10 was released some time ago (2021-10-04), and has been happily used by the python-getting-started project since 2021-10-29.
GUS-W-10881777.