I have a project that mixes some still pictures with video of two different sizes. The project is currently relatively short. I've also got some inflection points, and fades between visual and sound items. However, when I try to render the project, two of the pictures in the timeline don't show at all, and the last item shows earlier than it should. On two render attempts it seems to give the same output. Am happy to share the .xptv and source files if that helps.