There is a pdf file on using the latest Copy/Paste methods in Drag and Drop mode at: https://www.datafilehost.com/d/624176be There are a couple of test builds if anyone using ubuntu 16 or Mint 18 wants to try out early. https://www.cinelerra-gg.org/download/testing/cinelerra-5.1-20181214-ub16-x8... https://www.cinelerra-gg.org/download/testing/cinelerra-5.1-ub16-20181211-x8...