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Python
3 Syntax Updates of Python 3.14 That Will Make Your Code Safer and Better
Stay up to date with the incoming Python version
Python 3.14 is scheduled for its final release on October 7, 2025, as outlined in PEP 745, with exciting updates and enhancements.
It significantly boosts performance by introducing an experimental new interpreter, optimizing various built-in modules, and improving file I/O operations.
As a result, Python programs will run faster simply by upgrading to version 3.14, without requiring any modifications to existing code.
Since most Python developers focus primarily on building applications, knowing every low-level detail of these performance enhancements isn’t necessary.
However, Python 3.14 introduces three syntax changes that will affect how we write Python programs.
In this article, I’ll explore and clearly explain these changes to help you stay up to date in the evolving Python ecosystem.
1. Disallow Control Flow Statements in finally
Blocks
There is a common mistake that junior Python developers may make — writing control flow statements, including return
, break
, or continue
in finally
…