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Python 3.15 release featuring lazy imports, frozendict built-in type, and JIT compiler improvements

News

Python 3.15: Lazy Imports, frozendict, and a Working JIT

Python 3.15 is final. Lazy imports cut cold starts, frozendict is now built-in, and the ...

October 19, 2026

Python 3.15 release featured image showing lazy imports frozendict and Tachyon profiler

News

Python 3.15: Lazy Imports, frozendict, Tachyon Now Stable

Python 3.15.0 shipped on October 9 — two days ago — and it is the ...

October 11, 2026

Developer Tools

Python 3.15 RC1: Lazy Imports, frozendict, and What to Test Now

Python 3.15 RC1 is live with a frozen ABI. Lazy imports cut startup by 70%, ...

August 19, 2026

News

Python 3.15 RC1: Lazy Imports, frozendict, and Tachyon Profiler

Python 3.15 RC1 dropped August 4. Feature freeze is done, the ABI is stable, and ...

August 6, 2026

Python 3.15 lazy imports PEP 810 featured image showing fast module loading with blue and white design

News

Python 3.15 Beta 3: Lazy Imports Cut Startup 3x

Python 3.15 beta 3 is out with lazy imports (PEP 810), frozendict, and a new ...

June 24, 2026