As was clear from the report, it was prepared by Dr Grimmer, based on his own work / efforts.
Subsequent to the report being published on this website, KDR instructed its lawyers to threaten legal proceedings, claiming all manner of things including alleged breaches of supposed confidentiality obligations.
The allegations raised by KDR, were denied.
However, rather than having the Company waste its extremely limited resources on expensive litigation (which, by the way, the advice was that they would be unsuccessful), instead of spending its limited resources on developing out its projects (which it has failed to do over the years), the report was merely amended, without any admission whatsoever of any breach of any confidentiality obligations.
We trust this clarifies the reason for the report amendments.