The world’s most popular programming language kicks off the new year with a wicked-fast type checker, a C code generator, and a second chance for the tail-calling interpreter. 2026 is already popping ...

The native just-in-time compiler in Python 3.15 can speed up code by as much as 20% or more, although it’s still experimental. JITing, or “just-in-time” compilation, can make relatively slow ...