2 issues I've noticed through testing:   [detectable on all directory sizes] Each directory listing is ~3-4x slower on average on v6.8 vs v6.72 (2.5s vs 0.7s for a 6k file directory) [detectable for very large directory sizes] Trying to open a single NONEXISTENT file in a 250k file directory on 6.8 (should be microseconds per attempt), every 100 or so attempts, it hangs for ~5s   Initially, thought it had to do with concurrent calls, but it doesn't.  Concurrent ca