What I wish for in the future:
-ability to have your Thunderbird calendar displayed in the Gnome shell calendar without going through Evolution
-a better guided tour for newcomers as it’s easy to miss a lot of the features offered
-automount easily my kDrive cloud via WebDAV
Otherwise I love Gnome even if I’m looking forward to customizing a Plasma 6 VM.
You can change the default file manager. I've been using Nemo for years because Nautilus was pretty bad. Once I update I'll have to re-evaluate and see what I think.