If you are curious what features are incoming into future GameMaker versions, please check ROADMAP on Github:
github.com/orgs/YoYoGames/projects/13/views/1You can also check what official GM extensions are coming:
github.com/orgs/YoYoGames/projects/13/views/4?layout=boardCheck what YYG is doing now in their Team Workload view:
github.com/orgs/YoYoGames/projects/17There are also community GM feature requests available to check:
github.com/YoYoGames/GameMaker-Bugs/issues?q=label:"feature+request"