Thank you for your reply.
It is OK, the bug is not critical, rather inconvenient. I have not experienced it with Opera 60, I believe. Yes, it happens in both portrait and landscape orientation, but the essential condition when opening a link, is that Opera should not be running in background, but should be opened anew. I face the bug in two cases:
- When I close Opera with some page displayed, and then open the browser again.
- When I tap a link in some application and it invokes previously closed Opera and displays the content.