NEW: added management of custom field values independent from Tag Panel fields

[ohrenkino]

I do not see that any data is

@Sergius

moved to the "Tag Panel"

but you create a list of values that you can take as reference values that you like.
This is no replacement for actions of the the type "Format value" - this was the suggestion in the old days if users asked for pre-defined values for certain fields.
see e.g. this thread for the old way to get pre-defined values:

User Defined Values

The work around that I'm using is similar to your master record - template idea. I created dummy mp3 files, one for each value that I wanted to show up in the drop down box and then made the files read only so the values wouldn't change. So now when I want to tag some actual files, I select the dummy files along with the ones I want to update and all the values I need show up in the drop down box. I'll do anything to avoid typing. It would be nice if I could provide the values in an …

I still wonder what the workflow would look like that needs to move values.