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web-platform-tests RFCs
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Update minimum supported Python to 3.9 #200

Open whimboo opened 5 days ago

whimboo commented 5 days ago

As of now the minimum supported version of Python for web-platform tests is Python 3.8. Given that this release is supported until October 2024 we should start planning to get rid of it and use at least version 3.9 which gets security updates until October 2025.

Right now such a bump would be blocked at least from Mozilla side because the wpt tests are still running on workers which have Python 3.8 installed. But over the last months newer images have been created with Python 3.10 installed and those are getting slowly rolled out. There is specifically bug 1865353 for web-platform tests.

I'm filing this as issue for now to get feedback from other vendors regarding their requirements and possible blockers. I assume that we want to keep support for all available Python versions or should we even consider bumping the minimum version to 3.10? Feedback is welcome.

CC @jgraham, @foolip, @jcscottiii, @gsnedders, @Ms2ger

gsnedders commented 4 days ago

I assume that we want to keep support for all available Python versions or should we even consider bumping the minimum version to 3.10?

Both the macOS Ventura and Sonoma aligned Xcode releases, Xcode 14 & 15, ship with Python 3.9 — and WebKit needs to be buildable and testable with them until support for both OSes is dropped.