New LTS versions of node have been released in September/October for the last two years and AWS Lambda has added support for them around April/May for the last

New LTS versions of node have been released in September/October for the last two years and AWS Lambda has added support for them around April/May for the last two years. I wonder if they purposefully wait for x.10 update (6.10 and 8.10) or it has something to do with internal management of projects.