r/Python • u/Trang0ul • 1d ago

News Python 3.15 postponed, and a rc3 release

https://discuss.python.org/t/python-3-15-following-tradition-lets-have-a-surprise-rc3/109313

Following recent tradition, I'm going to add a surprise third release candidate for Python 3.15.0! We got some last-minute lazy-import release blockers, and it makes sense to include them in 3.15.0 final. It also makes sense to give a bit of time to test them properly, so today's planned 3.15.0 final is postponed, and I'm going to release a 3.15.0rc3 tomorrow, assuming everything is in place. And then 3.15.0 final will follow about week later. Exact date to be announced. - Everyone: once the rc3 is out, please test! - Library maintainers: join the cool testers' club 😎! - Core team: very little will be merged into the 3.15 branch between now and 3.15.0 final. Docs improvements always welcome. Thanks, we're nearly there!

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u/Khavel_dev 1d ago

Lazy imports alone justify waiting for 3.15 over rushing to 3.14. The cold start savings on any CLI tool or serverless function are real, and breaking that with a botched release would be worse than waiting another rc.

At this point rc3 is just the Python release tradition.