iOS 15 beta 2, iPhone 8 Plus] If you reset the homescreen layout while in landscape on Plus models, you'll get widgets on the landscape homescreen, which isn't supposed to happen. :
iOS 15 Supported Devices - iOS 14 Beta Download
iOS 15 update details: Which phones will get iOS 15 update? Find out here | Apps
Apple Hub on Twitter: "These are the devices that will be supported by iOS 15. All devices that are supported by iOS 14 will continue to be supported #WWDC21 https://t.co/ogX4bNj9rD" / Twitter