I see, in the Project settings it says "Live Queuepoints". Setting that to 1 (or the maximum denominator of all your pattern lengths) should do what you want.
If I recall it correctly there is a feature request that asks for a command "start new pattern/row NOW". See https://forum.xor.eu/showthread.php?tid=1024
If I recall it correctly there is a feature request that asks for a command "start new pattern/row NOW". See https://forum.xor.eu/showthread.php?tid=1024