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Python 3.10.0a1

Release Date: Oct. 5, 2020

This is an early developer preview of Python 3.10

Major new features of the 3.10 series, compared to 3.9

Python 3.10 is still in development. This releasee, 3.10.0a1 is the first of six planned alpha releases. Alpha releases are intended to make it easier to test the current state of new features and bug fixes and to test the release process. During the alpha phase, features may be added up until the start of the beta phase (2021-05-03) and, if necessary, may be modified or deleted up until the release candidate phase (2021-10-04). Please keep in mind that this is a preview release and its use is not recommended for production environments.

Many new features for Python 3.10 are still being planned and written. Among the new major new features and changes so far:

  • PEP 623 -- Remove wstr from Unicode
  • PEP 604 -- Allow writing union types as X | Y
  • PEP 612 -- Parameter Specification Variables
  • (Hey, fellow core developer, if a feature you find important is missing from this list, let Pablo know.)

The next pre-release of Python 3.10 will be 3.10.0a2, currently scheduled for 2020-11-02.

More resources

And now for something completely different

The effective potential of a particle orbiting a Reissner–Nordström black hole has a repulsive term proportional to the total electromagnetic charge of the black hole that is only relevant when the particle is very close to the singularity. This shows that a particle falling into the black hole will never be able to reach the singularity because the force of gravity will start to push it away. This is due to the fact that the energy due to the electromagnetic charge in the Reissner–Nordström black hole produces repulsive gravity, which is allowed by the theory of general relativity. Black holes are strange beasts indeed.

Files

Version Operating System Description MD5 Sum File Size GPG
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XZ compressed source tarball Source release dc251f90f89b628c1bad4b50f9253029 18571152 SIG
macOS 64-bit installer Mac OS X for OS X 10.9 and later 02ec37bdef6ed01edbe10c50d5947164 29447575 SIG
Windows help file Windows 1f039d4c1a9b0ecf375da51b1fb9bb05 8769666 SIG
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Windows x86-64 executable installer Windows for AMD64/EM64T/x64 4e86ea8da69a8014293ebb1ef822d144 27913136 SIG
Windows x86-64 web-based installer Windows for AMD64/EM64T/x64 d282a94227f70bf01ceaebe576e45917 1367368 SIG
Windows x86 embeddable zip file Windows e31d1627bafa899d315e57e07e01826a 7507595 SIG
Windows x86 executable installer Windows 03865490897099ca9f4bd3ccf1dd32a9 26817544 SIG
Windows x86 web-based installer Windows fbef2df47c5b40777b716dd50bb8f451 1330368 SIG