custom metadata does not trigger republish in metadataThatTriggersRepublish

[martinl68902366]

Hello, 

I added a custom metadata to my plugin and in the metadataThatTriggersRepublish function : 

function exportServiceProvider.metadataThatTriggersRepublish( publishSettings )
  return {
    default = false,
    title = true,
    caption = true,
    keywords = true,
    gps = true,
    dateCreated = true,
    ["com.myplugin.mymetadata"] = true,
    customMetadata = true,
  }
end

But when I update mymetadata in a photo from a published collection, it does not mark the photo to republish. 

I don't understand why and if it's a lightroom bug or if I miss something? 
Do you have this working like expected? 

Thank you