web-platform-tests / web-platform-tests/rfcs
Update minimum supported Python to 3.10
Nobody has claimed this yet.
- Dominant language
- No language data
- Stars
- 110
- Forks
- 90
- PR merge metrics
- No merged PRs in 30d
Description
Via https://github.com/web-platform-tests/rfcs/issues/200 we just bumped the minimum supported version of Python to 3.9. But as known this is no longer supported since version 3.9.25 which was released on 2025-10-31.
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.
From Mozilla’s side, we could define a minimum Python version specifically for running WPT tests, independent of the versions used for the build process or other test suites. The open question, however, is how to handle downstream consumers (such as Debian) that still support LTS releases relying on no longer supported Python 3.9.
CC @jgraham, @foolip, @jcscottiii, @gsnedders, @Ms2ger
Contributor guide
No contributing guide indexed for this repository
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by reading RFC issue 200 and Mozilla’s python/sites/wpt.txt reference. Gather feedback on Python 3.10 support, including downstream Debian constraints and vendor requirements; done means the minimum-version policy and handling of affected consumers are agreed.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- python
- Domain
- testing-qa
- Issue type
- Feature
- Difficulty
- 5/5
- Estimated time
- Over a week
- Activity status
- Active
- Clarity
- Needs clarification
- Newbie friendliness
- 35/100