The Roadmap has a tick against disable fuzzy search. Was that included in 1.2.2? It seems to be disabled based on how 1.1.4 behaved. However a single keyword search in 1.2.2 still only highlights the first hit in the Codemirror editor as if a "fuzzy" multiple keyword search was still being used. Of course if it is intended to bring back fuzzy searching very soon and this restriction will still be needed, this may be something that can be ignored. I only mention this as many users have requested in editor searching and if 1.2 goes to a full release without fuzzy searching I can see questions as to why there is only a single hit highlighted.
I am having trouble explaining this!! This previous post may help (possibly)...
EDIT: You may wish to ignore the above as the ramblings on a senile old man as I am actually getting fuzzy-like searches in 1.2.2 but apparently just not as "aggressive" as in 1.1.4.