Hi Kruz, thanks for testing, but i cannot confirm any of these:
1. I added just 2 entries to the rotation: Jingle and Music (90s)
I disabled ALL tracks from 90s subcategory and i turned on AutoDJ. Only the jingles were added to the playlist, no disabled track. Any chance that do you have another similar track which is enabled? It's enough to have an extra space in the file name to be treated as different track.
2. I moved the start marker to the last 5-6 seconds of the track and add it to the playlist. Only that part was played. Tried this with more tracks.