Adam,

 

I think i found the problem, it's hard to explain, i will give a try. 

In the older version, you don't have to select anything or inside anything to use this function. Whenever you choose a option in the richDropdownBox, it just paste the value into the area. But now I have to select some text (or even a space) and use the richDropdownBox, otherwise it will not paste the value into the area. 

Maybe more information how we used this in our application:
We have in our application a list of template fields, we dynamically add them to the richDropdownBox. The users choose for example "Lastname", it will simply add at the cursor position the value token "[achternaam]" to the area. I am 100% sure it worked like this.

 

In older version: you don't need select anything, it just paste the value into the editor.

Now: You have to select some text/char, otherwise nothing will happen.

It seems that behavior is changed, can you confirm this? Thx.