In ArcGIS Pro the group layers needs an improvement:
On the table of contents when right clicking on a layer there should be an option to "add to group layer". In this menu there will be an option to select which group layer it should be added to
Hi @TD1! Thanks for submitting your Idea. I'm marking this as "Needs Clarification" because it is two Ideas in one. If you could split this into two that would be greatly appreciate it as it will allow us to better keep track of support from the community.
While you're at it, I encourage you to take a look at this existing Idea on Contents Pane formatting as it might get at some of the things you're looking for.
Thank you for being an active member of Esri Community!
