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Add PEP 803 to 3.15a8 release notes #57

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hugovk merged 1 commit into from
Apr 8, 2026
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Add PEP 803 to 3.15a8 release notes #57

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1 change: 1 addition & 0 deletions content/posts/python-3150a8-3144-31313/index.md
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Expand Up @@ -32,6 +32,7 @@ Many new features for Python 3.15 are still being planned and written. Among the
* [PEP 728](https://peps.python.org/pep-0728/): `TypedDict` with typed extra items
* [PEP 747](https://docs.python.org/3.15/whatsnew/3.15.html#typing): Annotating type forms with `TypeForm`
* [PEP 782](https://docs.python.org/3.15/whatsnew/3.15.html#whatsnew315-pybyteswriter): A new `PyBytesWriter` C API to create a Python bytes object
* [PEP 803](https://peps.python.org/pep-0803/): Stable ABI for free-threaded builds
* The [JIT compiler](https://docs.python.org/3.15/whatsnew/3.15.html#whatsnew315-jit) has been significantly upgraded, with 6-7% geometric mean performance improvement on x86-64 Linux over the standard interpreter, and 12-13% speedup on AArch64 macOS over the tail-calling interpreter
* The official Windows 64-bit binaries now [use the tail-calling interpreter](https://docs.python.org/3.15/whatsnew/3.15.html#whatsnew315-windows-tail-calling-interpreter)
* [Improved error messages](https://docs.python.org/3.15/whatsnew/3.15.html#improved-error-messages)
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