Previously, scrolling for these purposes was adjusted downwards from the right edge or upper-right corner of the screen, but now users can also choose to scroll from the left side. This setting can be accessed via the “Panel Settings” item.
Probably the developers have heard that some users find it inconvenient to open the quick access panel by swiping to the right. Therefore, Samsung introduced a new ability to interact with the smartphone.
You can now access the Quick Access Toolbar by swiping right from the notification panel or swiping left from the top left corner of the screen.
Source: Ferra

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