I’ve also noticed a few crashes of renoise when developing and using the latest version of my Toggle Reference Track tool. I added a `Scrub Slider` that uses slice markers to change the start position of sample play. I can’t recreate the conditions exactly, but thought I`d mention it here in case related to the slice markers:
Tool version 1.39 here:
https://forum.renoise.com/t/new-tool-toggle-reference-track/39281