AWS Compute Blog Announcing migration of the Java 8 runtime in AWS Lambda to Amazon Corretto April 28, 2021 – Update: Migration from OpenJDK to Corretto has been completed for all functions not using the Java8OpenJDK layer. We have extended the period during which functions using the Java8OpenJDK layer continue to run using OpenJDK rather than Corretto. Customers using this layer should continue t