Why not return old skills such as Thunder Spear and Elemental Composition as extra skills in the 4th job now that we have a gap of about 150 skill points until 5th job?
If Nexon was competent enough to actually run an online game they wouldn't need to attempt to fix stuff for over a day. Keep in mind that GMS is like what, 10 years old? And they still run it like a group of teenagers that learned how to do it on Youtube.