Python 3.14 was released on October 7, 2025. While many of its biggest changes happen under the hood, there are practical improvements you’ll notice right away. This version sharpens the language’s tools, boosts ergonomics, and opens doors to new capabilities without forcing you to rewrite everything.
In this tutorial, you’ll explore features like:
- A smarter, more colorful REPL experience
- Error messages that guide you toward fixes
- Safer hooks for live debugging
- Template strings (t-strings) for controlled interpolation
- Deferred annotation evaluation to simplify typing
- New concurrency options like subinterpreters and a free-threaded build
If you want to try out the examples, make sure you run Python 3.14 or a compatible preview release.
As you read on, you’ll find detailed examples and explanations for each feature. Along the way, you’ll get tips on how they can streamline your coding today and prepare you for what’s coming next.