Thank you for your post.
In the second statement, I assume you mean, "On WINDOWS, it is not possible to scroll..."
This was changed on Windows for FileMaker Pro 15. This is discussed on another forum thread (which you have posted):
As on the other forum thread, I recommend posting to our Product Ideas board at: Product Ideas
Our Product Ideas board is monitored by Product Management and Development. All entries are read, discussed and considered for possible implementation in a future release.