It seems that most addons do not function correctly in realms such as not all mc functions running or custom items not working properly, I haven't read anywhere that realms are limited at all. The same thing also happens on BDS.
REALMS-5406
Addons in realms
Resolved
Duplicate
0
Thank you for your report!
We're tracking this issue in REALMS-1521, so this ticket is being resolved and linked as a duplicate.
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