There is an article on The Sunday Times speculating and analysing whether the unveiling of Diana's statue will put William and Harry on good terms. At one point, Roya Nikkhah wrote that Prince of Wales will not be attending the unveiling instead he will be at an official visit to Canada.
Can William and Harry ever patch things up?
The brothers used to speak as one over the memory of their mother. Now, barely on nodding terms, they will issue separate tributes as they unveil a statue of Diana on what would have been her 60th birthday
https://www.thetimes.co.uk/article/can-william-and-harry-ever-patch-things-up-qd85wbd3f
Archive link: https://archive.ph/BFTmz
Its not about them, any of htem, so I hope they will be civil to each other, and just honour their mother...