I gets even stranger. I tried to capture the output using Audacity and I got the same glitch. Then I discovered that the silent part also appears in LMMS, but only if you play the song from the beginning. If you start playing just a little bit into it, there will be no silence. I tried to move every...
I'm using 1.2 RC8 (also tried with RC7) on Windows 10 64 bit.
The track sounds like it should when playing from LMMS, but when I export I get a small piece of silence (always at the same place) a few bars into the track. Very annoying.