TypedDict now supports default values, and a new @override decorator (PEP 698) helps catch refactoring bugs in large inheritance hierarchies.
While Python 3.14 became the primary focus for new features, Python 3.13 remained a major milestone for developers due to its significant architectural changes: python 3.13 released news 2025 november
: A revamped REPL based on PyPy, featuring multi-line editing, color support, and clearer exception tracebacks. TypedDict now supports default values, and a new