June 29, 2013 issue still lists him as chief editor.
http://www.adventistreview.org/article/23/about-the-review/staffThe only rumors I heard was
1) a blogger on A-Today who was very offended by an article in the June 9 issue of the Review where Bill Knot voiced his wish that everyone pronounce the word -- Adventist as AD' vent ist, not Ad VENT' ist.
The A-Today writer remarked: " I would suggest that Dr. Knott be asked to resign since having the editor of the Adventist Review in the 21st Century espousing what is, at best, linguistic imperialism, and at worse, linguistic racism, is simply inexcusable.
But what posters on A-Today recommend, isn't official, it's merely opinions.
2) In the March 14, 2013 editorial, Knott lashed out against those who are protesting the use of non-Adventist authors on religious matters. Pointing to the libraries of the pioneers to bolster his position, he declared "Their position is clearly wrong, for by their test none of the church’s founders, including Ellen White herself, should have any credibility."
So called "progressive" Spectrum posters made comments praising Knott's "courage", especially since President Wilson had made a similar suggestion to "look within Adventist" for answers instead of other writings. One spectrum poster predicting that Knott would be removed because of that article.
But as to anything other than these opinions expressed, I have not heard anything. So can't really answer the question.