Python 3.15 released: Lazy imports, UTF-8 and new data types

Python 3.15 is expected to speed up some programs and simplifies handling immutable data. UTF-8 as standard requires testing.
BetaNews

Python 3.15 arrives with lazy imports, UTF-8 by default and a faster JIT

Python 3.15 is out with explicit lazy imports, UTF-8 as the default encoding, frozendict and sentinel types, the Tachyon ...
LWN.net

Explicit lazy imports for Python

Importing modules in Python is ubiquitous; most Python programs start with at least a few import statements. But the performance impact of those imports can be large—and may be entirely wasted effort ...