Whilst no way of knowing there is a current thread discussing current unannounced trials of new food/ service offerings in first and those people who've experienced it got the same message prior to their flight. it
may be that you will be one of those lucky few to be a guinea pig ( the thread throws predominantly positive light on it).
The thread is found here:
https://www.flyertalk.com/forum/brit...s-f-today.html