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Annual meeting of Python core developers held alongside PyCon US to discuss changes to the language and its reference implementation.
No evidence-backed relationships are recorded.
Pablo Galindo Salgado proposed a std namespace at the 2026 Python Language Summit that guarantees import std.json reaches the standard library. Because bare import json keeps working, a project with a stray random.py stays exposed until its own imports change.
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Tobias Wrigstad, Fridtjof Stoldt and Donghee Na proposed Behavior-Oriented Concurrency to meet PEP 779's one unmet free-threading requirement. Its scheduler would turn deadlocks and data races into exceptions before code runs.
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Ned Deily asked the 2026 Python Language Summit whether CPython should keep shipping macOS installers that carry 25 years of technical debt. Nobody knows whether anyone would miss them, because the project has not measured who installs Python from python.org on a Mac.
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Mark Shannon told the Python Language Summit that GC takes 11.67% of CPython's runtime and proposed a collector that is both generational and incremental. His 3.14 incremental collector was reverted over memory pressure, so the hybrid must match its short pauses on less memory.
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Rust for CPython's team proposes shipping optional Rust in Python 3.16 in October 2027 and requiring a Rust toolchain no earlier than Python 3.18 in 2029. Distributors are asked to try the optional build first and report platform breakage in time for fixes around Python 3.17.
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