Python 3.14 runtime now available in AWS Lambda
Compute Blog
This article announces the general availability of Python 3.14 runtime in AWS Lambda, enabling developers to build serverless applications with the latest Python features.
- Python 3.14 available as managed runtime and container base image
- Template strings (t-strings) for custom string processing
- Deferred type annotation evaluation reduces import overhead
- Improved error messages with typo suggestions
- New compression.zstd module for zstandard compression
- JIT compiler and free-threaded mode not enabled in Lambda runtime
- Runtime based on Amazon Linux 2023 using dnf package manager
- Deploy via AWS Console, SAM, CDK, or container images
- Powertools for AWS Lambda (Python) fully supported
- Lambda@Edge supports Python 3.14 for CloudFront customization
Python 3.14 runtime is now available in AWS Lambda, offering new language features and improvements for serverless application development across multiple deployment tools.
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