BUG: deleting an envelope that is open in ext. editor causes a sigsegv on MacOS

Renoise version 3.5.4

MacOS M1 Max, Tahoe 26.2

Steps to reproduce:

  • Open a new song
  • Create an instrument, add at least one sample
  • Add an Envelope device to a volume modulation set
  • Open the envelope device in Ext. Editor
  • Click the X to delete the envelope device

crash.log (28.3 KB)