What to expect in Python 3.13

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With Python 3.12 let loose, and with a good chunk of that work laying the groundword for future Python versions, I think it's time to look at what we should get excited about in 3.13!

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 - Making the GIL optional [1-5]
1:05 - The new `interpreters` module [6-7]
1:52 - Subscriptable functions [8]
2:45 - Module level setattr and delattr dunder functions [10]
3:21 - Dead batteries [11-12]
4:12 - Outro

References:

All PEPs scheduled for Python 3.13:



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I can't wait to use the @deprecated decorator everywhere for no reason and raise havoc in my company 😎

Indently
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Performance! Performance!! Performance!!! The community wants more *PERFORMANCE* 🔥 🐍

AchwaqKhalid
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I'm looking forward to further performance improvements with each iteration of Python releases.

pietraderdetective
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I heard somewhere that they are going to try to make python 3.13 work better on mobile devices. I’m very excited about that as I am looking at doing mobile development with Python.

ArndtTech
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I guess I am most excited about function subscripting. I feel it is a hole in python static typing right now, and it'll be filled. It's a small but important step to making static typing comfortable to use.

rhbvkleef
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The more it improves the more it gets better for video game development.

SkyFly
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python "coroutines" are complete crap compared to c# or kotlin. Can someone improve async as such?

kutilkol