To me, it is an extremely significant move and suggests that they will countenance policy changes which in the short run might slightly restrain demand, but in the long run increase the chances of sustainable growth. 10/10
Price stability is typically specified in terms of changes in a consumer price index and a time frame. But financial stability cannot be boiled down into a single indicator in the same way. Financial stability is therefore often described, very broadly, as a state in which the financial system performs its functions for the real economy properly.