The Python 3.13 beta has been released, meaning the feature freeze is now active. This is the perfect time to take a minute to see what's new and upcoming in the release, so let's dive into it!

Below is a list of chapters cited against any relevant references which you'll find further down. It's absolutely worth doing further reading using these if you want to learn more!

Chapters:
0:00 Intro
0:30 JIT compilation [13]
1:29 Adding iOS as a supported platform [45]
1:49 Improved error messages [67]
2:11 Marking deprecations using the type system [8]
2:30 Deferred evaluation of annotations using descriptors [910]
3:17 Narrowing types with TypeIs [11]
3:52 Things no longer coming to 3.13 [1213]
4:06 Quickfire cool stuff! [14]
4:42 Outro

References:
[1] https://peps.python.org/pep0744
[2] https://tonybaloney.github.io/posts/p...
[3] https://dl.acm.org/doi/10.1145/3485513
[4] https://peps.python.org/pep0730
[5] https://peps.python.org/pep0738
[6]    • Python now has COLOURED tracebacks  
[7] https://docs.python.org/3.13/whatsnew...
[8] https://github.com/python/cpython/blo...
[9] https://peps.python.org/pep0563
[10] https://peps.python.org/pep0649
[11] https://peps.python.org/pep0742
[12] https://peps.python.org/pep0734
[13] https://peps.python.org/pep0712
[14] https://docs.python.org/3.13/whatsnew...

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