--- title: "AWS Lambda functions on 8 deprecated runtimes cannot be created from July 29, 2027 or updated from August 31, 2027: 2027-07-29 | Harbyn" description: "AWS Lambda functions on 8 deprecated runtimes cannot be created from July 29, 2027 or updated from August 31, 2027, effective Jul 29, 2027." canonical: "https://harbyn.com/changes/aws-lambda/2026-10-08-deprecated-runtimes-block-create-2027-07-29-and-update-2027-08-31" last-updated: 2026-10-08 --- # AWS Lambda functions on 8 deprecated runtimes cannot be created from July 29, 2027 or updated from August 31, 2027 Markdown version of . Deprecation - AWS Lambda. medium severity. Announced. Upcoming. Lambda blocks creating functions on provided.al2, nodejs20.x, ruby3.2, python3.9, nodejs18.x, dotnet6, python3.8 and nodejs16.x from 2027-07-29, and updating them from 2027-08-31. These runtimes are already deprecated; existing functions can still be invoked, but deployments that create or update them fail after those dates. AWS says the dates may change. 277 days left: the deadline is Jul 29, 2027. ## Facts | Fact | Value | | --- | --- | | Vendor | [AWS Lambda](https://harbyn.com/vendors/aws-lambda.md) | | Kind | Deprecation | | Severity | medium | | Status | Announced | | Announced | Oct 8, 2026 (undated by the vendor; already published when we first read the page) | | Effective | Jul 29, 2027 | | Added to Harbyn | Oct 8, 2026 | | Lead time | 294 days of warning | | Symbols | `provided.al2`, `nodejs20.x`, `ruby3.2`, `python3.9`, `nodejs18.x`, `dotnet6`, `python3.8`, `nodejs16.x` | | Vendor page | | | Review | Reviewed by a person, extracted by a person | ## Find it in your code ```sh npx harbyn scan ``` This change names no identifier the scanner can match line by line, so the scan tells you whether your repository uses AWS Lambda, from its packages and API hosts. Nothing leaves your machine. ## Sources Where this event comes from: the page we read, when we read it, and the hash of that snapshot. - (deprecations, fetched 2026-10-08 17:16 UTC, sha256 `4c935c677b47233e852196847b085438e64df4f9ef903345d91f583ba50e8594`) ## Related changes ### More from AWS Lambda - [Amazon Linux 2023 OS-only runtime deprecation](https://harbyn.com/changes/aws-lambda/2026-10-08-amazon-linux-2023-os-only-runtime-deprecation.md) (Deprecation, effective Jun 30, 2029) - [Java 11 on Amazon Linux 2 runtime deprecation](https://harbyn.com/changes/aws-lambda/2026-10-08-java-11-on-amazon-linux-2-runtime-deprecation.md) (Deprecation, effective Jun 30, 2027) - [Java 11 on Amazon Linux 2023 runtime deprecation](https://harbyn.com/changes/aws-lambda/2026-10-08-java-11-on-amazon-linux-2023-runtime-deprecation.md) (Deprecation, effective Jun 30, 2029) - [Java 17 on Amazon Linux 2 runtime deprecation](https://harbyn.com/changes/aws-lambda/2026-10-08-java-17-on-amazon-linux-2-runtime-deprecation.md) (Deprecation, effective Jun 30, 2027) ### Changes at other vendors - [Jira / Atlassian Cloud: Atlassian Analytics dashboard subscriptions being removed](https://harbyn.com/changes/atlassian-jira/2026-08-10-atlassian-analytics-dashboard-subscriptions-being-removed.md) (effective Nov 2, 2026) - [Google Cloud Run and Functions: .NET 8 runtime deprecation](https://harbyn.com/changes/google-cloud/2026-10-08-net-8-runtime-deprecation.md) (effective Nov 10, 2026) - [GitHub: X-GitHub-Stateless-S2S-Token header ignored from 2026-11-30](https://harbyn.com/changes/github/2026-10-02-x-github-stateless-s2s-token-header-ignored-from-2026-11-30.md) (effective Nov 30, 2026) - [Supabase: @supabase/server framework adapters are deprecated and will be removed on December 1, 2026](https://harbyn.com/changes/supabase/2026-10-05-framework-adapters-in-supabase-server-are-deprecated.md) (effective Dec 1, 2026) [All upcoming deadlines](https://harbyn.com/deadlines.md)