I loaded a large JSON file in Python and watched memory jump from 43 MB to 808 MB. Here’s what happened and how streaming changed everything.

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

Python 3.15 soll manche Programme schneller starten lassen und vereinfacht den Umgang mit unveränderlichen Daten. UTF-8 als Standard erfordert Tests.