Adding Python 3.14 #677
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Adding Python 3.14 #677
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astuyve
approved these changes
Nov 25, 2025
| [](https://github.com/DataDog/datadog-lambda-python/blob/main/LICENSE) | ||
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| Datadog Lambda Library for Python (3.8, 3.9, 3.10, 3.11, 3.12, and 3.13) enables [enhanced Lambda metrics](https://docs.datadoghq.com/serverless/enhanced_lambda_metrics), [distributed tracing](https://docs.datadoghq.com/serverless/distributed_tracing), and [custom metric submission](https://docs.datadoghq.com/serverless/custom_metrics) from AWS Lambda functions. | ||
| Datadog Lambda Library for Python (3.8, 3.9, 3.10, 3.11, 3.12, 3.13, and 3.14) enables [enhanced Lambda metrics](https://docs.datadoghq.com/serverless/enhanced_lambda_metrics), [distributed tracing](https://docs.datadoghq.com/serverless/distributed_tracing), and [custom metric submission](https://docs.datadoghq.com/serverless/custom_metrics) from AWS Lambda functions. |
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3.8 was deprecated ~6 months ago, we can probably drop it here from the readme and then later on from the codebase.
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We're having a discussion next week about how we want to handle deprecated runtimes, I think after we have a procedure we'll go through and clean up
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What does this PR do?
Adds Python 3.14 to list of runtimes supported by python lambda layer.
Motivation
AWS recently released Python 3.14 for Lambda. We should trace it.
Testing Guidelines
CI. Also adding Python 3.14 to runtimes tested in serverless e2e tests in a parallel PR. Ran Python 3.14 layer
arn:aws:lambda:us-west-2:425362996713:layer:rithika-python314:1against new e2e tests. Link to successful pipeline.Additional Notes
Types of Changes
Check all that apply