Unverified50% confidenceReleaseExact time
Python 3.15 is officially released, and this update includes new features such as lazy imports, the Sentinel type, unpacking operators in comprehensions, and frozen dictionaries.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
10/14/2026
First Seen
Valid until: 1/12/2027
Sources
Related Entities
Related Claims
UnverifiedPython 3.15 introduces the lazy keyword, used to declare lazy-loaded imports at the top of a file, so that Python only truly loads a module when it is first used in the code.74% similarUnverified对于尚未升级到 Python 3.15 的项目，仍可使用经典的 object() 哨兵方案，其语义与官方实现一致74% similarUnverifiedThe process of upgrading to Python 3.15 with uv includes: uv self update, uv python install 3.15, uv python pin --global 3.15.73% similarUnverifiedPython 3.15 has a built-in immutable mapping, frozen dict, requiring no import, and raises a TypeError when modification is attempted.73% similarVerifiedPython 3.13 has begun introducing an optional GIL-free mode (Free-threaded Python).73% similar
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