DevSimon Willisonabout 2 hours ago
Python 3.15 Released with New Features
5 min read
Python 3.15 launches on 12th October 2026, introducing explicit lazy imports and a new sampling profiler named Tachyon. The release manager Hugo van Kemenade notes that Python 3.10 is no longer supported, while performance remains mostly the same as 3.14 except for the experimental JIT which offers a 1.2x boost.
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