Spark 3.5 in AWS Glue

AWS typically announces updates and new features through their What's New with AWS page or through AWS re:Invent announcements. For the latest information on AWS Glue and Spark support, it's best to keep an eye on AWS official channels and documentation.

there isn't a publicly available roadmap for specific Spark version updates within AWS Glue but you can follow updates on AWS from this link https://aws.amazon.com/new/