Post Syndicated from original https://lwn.net/Articles/919563/

In late 2021, LWN covered a plan to
eliminate the Python global interpreter lock (GIL), thus improving the
language’s thread-level concurrency. This plan has now been codified as PEP 703, which includes
an extensive discussion of the changes that would be made.

The global interpreter lock will remain the default for CPython
builds and python.org downloads. A new build configuration flag,
--without-gil will be added to the configure script that
will build CPython without the global interpreter lock.

The posting of a PEP is only one step in a long path toward integrating
this change into the CPython interpreter; expect some extended discussions
over the coming months.