"Image" element anchored to measure disappears after save and reopen

1. default empty score
2. drag an image on an empty bar: the image is shown correctly
3. save the file
4. close and open the file

Result: no image visible (MS 3.0.1)
Expected: image still there (MS 2.3.2)

The attached scores feature an image element in the first measure and were generated by mscore 2.3.2 and mscore 3.