Avoiding stutter because of "too many" tracks

[brian]

Have you tried changing some of the settings to see if you can improve/reduce the stutter?

This is probably the most promising:

Realtime (frame dropping)

This option affects playback and controls two things: when ON: drop some video frames to try to keep the audio continuous and keep the video running near real-time This can make the video to appear choppy or slower frame rate than expected when it is on. Even when this is on it is possible that video processing is so intense that audio becomes choppy as well because Shotcut will not drop video frames indefinitely. In fact, currently it will only drop 5 consecutively (subject to change). Turn…

Also worth considering:

• Interpolation
• Display Method