So, got it to work, but only with RTC, so our classic users won’t have the option of “CopyLoops”, but I can live with that.
I created a LayoutSuggestion and spent the day trying to get the different logos, label sizes and barcode types dynamically running. The only thing I could not get to work is to center a image when FitProportional is set.
// offtopic, but someone may be interested:
when loading an image with RDLC “External” you have to define “file:///” in front of the path, so instead of C:\test.png → file:///C:\test.png
And: if you set the MIME Type to PNG you can not load bitmaps, but vice versa it works (loading PNGs with bmp MIME Type)