"Released on Oct 7 What's new in Python 3.14 Just a few of the changes PEP 750: Template string literals PEP 758: Allow except and except* expressions without brackets Improved error messages Default interactive shell now highlights Python syntax supports auto-completion argparse better support for python -m module has a new suggest_on_error parameter for "maybe you meant ..." support python -m calendar now highlights today's date Plus so much more"
"Top programming model (even above Opus 4.1) Shows large improvements in reducing concerning behaviors like sycophancy, deception, power-seeking, and the tendency to encourage delusional thinking Anthropic is releasing the Claude Agent SDK, the same infrastructure that powers Claude Code, making it available for developers to build their own agents, along with major upgrades including checkpoints, a VS Code extension, and new context editing features And Claude Sonnet 4.5 is available in PyCharm too."
Python 3.14 was released on Oct 7 with multiple language and tooling improvements. PEP 750 adds template string literals and PEP 758 allows except and except* expressions without brackets. Error messages are improved and the default interactive shell now highlights Python syntax and supports auto-completion. Argparse gains better support for python -m usage and a suggest_on_error parameter for "maybe you meant ..." suggestions. The python -m calendar command now highlights today’s date. A compatibility checker app evaluates top PyPI libraries against CPython 3.13t and 3.14t. Anthropic’s Claude Sonnet 4.5 and an Agent SDK offer developer-focused model and tooling upgrades.
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