Python version mis-match in https://wwww.python.org?

wyattwong · October 7, 2025, 2:47pm

How come I check https://www.python.org in a macOS Edge browser and the Download shows 3.13.7

but when I check https://www.pythob.org from iOS Safari, I saw 3.14.0 ?

Also when I typed pyenv install 3.14 I got the following errors ?

python-build: definition not found: 3.14

The following versions contain `3.14' in the name:
  3.14.0rc3
  3.14.0rc3t
  3.14-dev
  3.14t-dev
  miniconda2-4.3.14
  miniconda3-4.3.14
  pypy2.7-7.3.14-src
  pypy2.7-7.3.14
  pypy3.9-7.3.14-src
  pypy3.9-7.3.14
  pypy3.10-7.3.14-src
  pypy3.10-7.3.14

See all available versions with `pyenv install --list'.

If the version you need is missing, try upgrading pyenv:

  brew update && brew upgrade pyenv

brass75 · October 7, 2025, 2:49pm

Python 3.14 was pushed just a little while ago. Probably just timing.

wyattwong · October 7, 2025, 2:53pm

Now I checked macOS Edge browser shows Download version as 3.14.0. However, I checked the macOS Edge browser for over 5 minutes before and I still saw 3.13.7. So the Python Team update the mobile version of browser page BEFORE update the desktop version of the browser page ?

And I still could NOT install Python 3.14 using pyenv install 3.14. How long does that usually takes for pyenv to find the new Python version ?

Stanfromireland · October 7, 2025, 3:09pm

Did you refresh the page? There are is no separate website for mobile and desktop.

brass75 · October 7, 2025, 3:11pm

pyenv uses homebrew on the Mac. It needs to build it’s own binaries. It will take longer for pyenv to be available because of this.

wyattwong · October 7, 2025, 5:27pm

Of course. Here is the image I captured from iOS Safari (which showed 3.14.0) at the SAME time when I captured the previous image from macOS Edge browser (which still showed 3.13.7). I couldn’t attached the following image in my original post since this forum restrict new user to attach more than ONE image for the initial post.

I have even closed the macOS Edge browser tab of https://www.python.org and then open a new tab and visit to https://www.python.org again and still the Python version showed 3.13.7 under Download.

This situation last for at least 5 minutes.

MegaIng · October 7, 2025, 6:55pm

Caching by the CDN that python.org uses. Pages are not updated minute-by-minute, instead different versions are cached for different devices after having being adapted for that device.

So you are going to see slightly out-dated versions for a small amount of time.