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=boardThere are also community GM feature requests available to check:
github.com/orgs/YoYoGames/projects/12/views/1?layout=board