Slab Style does not change in the drafting object when it's changed in the source object:
1-Open "Draft_Slab.tcw" file.
2-Select Slab open Properties for it and go to General page.
3-Change Slab Style from Standard in to Slab Style 1 and click ok.
4-Style of Slab does not change in the drafting object.
Drafting update was locked -see attached picture