Recently, IMC have added a list of future changes they’re planning to add. These include major changes to skills, and other changes to characters, monsters and companions. These changes are not currently implemented.
You can find a translated summary of this list here.
This list will be updated whenever I see any new updates.
You can find the original (untranslated) version here, and it will be also listed in the Patch Notes Archive here.
If there is any incorrect or improperly translated information there, please feel free to correct me.