When using dynamic entities (slots type whose values are updated through the Dynamic Entities API), there is a limit of 100 values, including synonyms. Over this limit, the update request is simply ignored.
This limit is far not enough since it includes synonyms: if having 30 slots for instance, each slot having 10 synonyms, we already are over the limit (we have then 300 values to update).

The skill I develop is a game where the user can interact with objects in the place or in his pockets. He often have near of 20 possible objects, and to make them easy to interact in a natural way, I have to propose lot of synonyms for each element (to ensure that he will reach the desired element however he choose to call it).

Please increase this limit to much more (500 or 1000).