Upgrading Lambda function runtimes at scale with AWS Transform custom
AWS Lambda ยท 2026-06-20
Actions
Technical Details
| Affected Versions | Node.js 20, Node.js 22, Python 3.9, Python 3.10 |
|---|---|
| Regions | all |
| Breaking Change | Yes |
| Deprecation Date | 2026-04-30 |
| Migration Required | Yes |
| Cost Impact | Neutral |
| IaC Impact | High |
What This Means
For DevOps Teams
Update your Lambda functions to newer runtimes using AWS Transform custom, automating the upgrade process and reducing manual effort, with validation and testing integrated into the workflow.
For Platform Teams
Adopt AWS Transform custom to orchestrate large-scale Lambda runtime upgrades across your organization, leveraging AI-driven automation to handle complex transformations and validations.
For Executives
Implement AWS Transform custom to streamline Lambda runtime upgrades, reducing engineering effort and enabling teams to focus on strategic initiatives, ultimately driving cost optimization and modernization.
Source
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