The same items cannot be stacked

What is the problem that identical items from different sources cannot be stacked together after the official update?

Yes, experiencing the same thing. 
Before force wipe items with the same skin ID but different names could be stacked if config set properly. After wipe - doesn't work.

Here is the related config:
 

"Stacking options": {
    "Allow stacking of items with different name": true,
    "Allow stacking of items with different text": true
},