EDU version is fully compatible, but files (PLN) saved in the EDU version are permanently marked.
Attributes are transferrable.
I don't see why GDL objects wouldn't also work.
If you upgrade to Commercial, you could request a one-time conversion of your project files to a commercial file, so you can re-use your work.
--- stefan boeykens --- bim-expert-architect-engineer-musician ---
Archicad28/Revit2024/Rhino8/Solibri/Zoom
MBP2023:14"M2MAX/Sequoia+Win11
Archicad-user since 1998
my Archicad Book