I just tried the replace in files option added in 2135 and see some issues:
* Find in files shows the context in the result buffer but doesn't select the match when you double-click on the result (or use F4 to go to the next result). This is inconsistent behaviour compared with the regular find. If I am searching for something, I want it to be selected (or at least highlighted).
* There is no option to replace (or skip) the current match and go to the next match. It is very possible/realistic that I might only want to replace a subset of the results (not all of them).
Otherwise I love the changes to the find! Very cool.
Edit: Even bookmarks preserve the selection, so the find results not selecting the match is very inconsistent.