Nightly Build 2192 is out now.
Directory scanning on Windows has been improved, making use of inodes (aka File IDs on win32) to better determine when a directory has been seen before. This fixes scanning of folder trees with identical sub folders, but keep in mind that file ids may not be available in all scenarios, such as via samba shares. This same logic has always been in use on Linux and OS X.
File change monitoring has been improved on OS X, where FSEvents doesn’t natively follow through symlinks, so previously any folders accessed through symlinks wouldn’t be monitored for changes. Symlinks should no longer cause any issues on OS X.