In most word processors, web browser forms and text editors, the cursor keys, on the last line, will automatically move the cursor to the end of the line when you press “Down” again. How do I enable this feature in LibreOffice?
Use the End key.
Not so easy on a laptop, and, besides, it is expected behaviour! This form does it, along with everything else.
Bug 81226 - VIEWING: Cursor to jump to end of line when pressing the down key, if the line is the last line of the document