api-change:ec2: Amazon EC2 Trn1 instances, powered by AWS Trainium chips, are purpose built for high-performance deep learning training. u-24tb1.112xlarge and u-18tb1.112xlarge High Memory instances are purpose-built to run large in-memory…

リファクタリング系かな devcontainer/on-create-command: fix Ubuntu 18.04, add debugging. by @MikeMcQuaid in #14115 Service: add method to define a root requirement by @SMillerDev in #14113 Add manpages.rb by @hyuraku in #14117 move two meth…