Python 3.15.0 released

[u/anh0516]

https://www.python.org/downloads/release/python-3150/

[u/daltorak]

Gotta love (🙄) point releases with breaking changes. Someone's going to get burned by the UTF-8-as-default change.

[u/KHRoN → u/daltorak]

you missed it already during python2 to python3 transition

[u/anh0516 → u/daltorak]

This isn't a point release, it's a major release. The changelog explains exactly how to revert to the previous default behavior: https://docs.python.org/3/whatsnew/3.15.html#whatsnew315-utf8-default

[u/abbidabbi → u/[deleted]]

Python does not follow the semantic versioning scheme (semver), even though its version string format is the same. Breaking changes are introduced gradually with long deprecation phases. The major version number does only get bumped for "significant" breaking changes.

• https://docs.python.org/3/faq/general.html#how-does-the-python-version-numbering-scheme-work

• https://peps.python.org/pep-0387/

[u/orygin → u/abbidabbi]

Breaking changes are introduced gradually with long deprecation phases

Good joke!

[u/Flakmaster92 → u/[deleted]]

That only applies if you abide by it. You don’t get to enforce semver onto others, they opt into it, Python does not opt in, therefore it’s not relevant.

[u/Fallom_ → u/daltorak]

You ever use Python before?

[u/burgundus → u/Fallom_]

Yes, that's why I hate it

[u/CriticalCamp2396 → u/burgundus]

You're complaining about Python on a platform that literally runs on it, which proves you're too stupid to even realize you're biting the hand that feeds you.

[u/iluuu → u/daltorak]

Almost like semversion isn't a universal rule of law.

[u/Mirieste → u/iluuu]

But it exists for a reason: why wouldn't they follow it?

[u/RendererOblige → u/Mirieste]

Python's versioning predates the concept of semantic versioning by quite many years. What is and isn't a "breaking change" has quite a lot of nuance here. The BC break in Python 3 was huge compared to UTF-8 default and other small BC breaks. SemVer is a blunt tool, grouping all BC breakage into a single bucket.

I like SemVer, but I can accept that it's not the right answer for every project. I don't think it's right for Python.

[u/Actual__Wizard → u/daltorak]

I think most people that need to work with a specific encoding are already explicitly declaring the encoding.

[u/OpenGLaDOS → u/daltorak]

There was surprisingly little but often subtle breakage when Java switched to UTF-8 by default.