Hi,
When you change page orientation and zoom in document then there appears strange line (it is not page separator). Also, you can create annotation on rotated and zoomed page. But after you zoom out document, created annotation changes coordinates.
Video of reproducing:
https://sharebox.codevog.com/download/baCWdU9JJYrDv-lyraKM-5X3ynZqYfvlrWPJt4x8yoE
File for reproducing:
https://sharebox.codevog.com/download/SW6uAzK7fcwPSN0t6PlUXRwJvq59Iosf7wPMqk6muwo
Thanks,
Martin