Yes, in 2.39 it worked too.
check the settings, because the difference between 2.39 and 2.40 is very small and does not affect NTP, and in my LK (2.40) NTP works ok.
If you are not using the watchdog you can try check this
http://tinycontrol.ats.pl/forum/viewtopi...f=2&t=3031 version, it has more options