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

Of bytes and encoded strings

Tcl represents all strings (as opposed to »byte arrays«) as UTF-8 internally. I/O channels can be set up with other encodings such that data read from them is converted from that encoding to UTF-8, or ...