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AWS Lambda public preview: managed runtimes for Node.js 26 and Python 3.15
- Platform/SRE — Learn: AWS’s new preview model lets platform teams validate Lambda workloads against upcoming runtimes before GA; pre-GA and explicitly unsupported for production, so evaluate only in non-critical environments.
- CI/CD — Learn: Notable design detail: preview runtimes use the same identifier as the eventual GA release, so Lambda functions automatically graduate with no pipeline or IaC changes required — worth factoring into future Lambda deployment workflows once GA.
- Leader — Skip
- Signals: pre-GA (alpha/beta/RC/preview) · breaking-change flagged
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