Unverified50% confidenceEventExact time
PEP 661 经过 Python 指导委员会（Steering Council）审议后被接受纳入 Python 3.15
1
Sources
50%
Confidence
Long-term
Relevance
8/13/2026
First Seen
Sources
Related Claims
UnverifiedPEP 661 在 Python 3.15 中引入了标准化的哨兵对象模式77% similarUnverifiedPython 类型注解系统自 PEP 484 引入、PEP 526 完善76% similarUnverifiedPython 3.14 引入了延迟注解求值（PEP 649）的正式落地72% similarVerifiedPython 3.13 已开始引入可选的无 GIL 模式（Free-threaded Python）67% similarVerifiedPython 3.13版本引入了free-threaded实验性模式（PEP 703），允许在禁用GIL的情况下运行67% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/742102API
curl https://kongchang.com/api/v1/knowledge/claims/742102MCP
get_claim(id=742102)