OpenElec gives med Rainbow colors and nothing more. (Could be that they have not updated to new boot files)
LibreElec is in a boot loop forever. (8.2.5, using image i download and the Creator.)
Noobs installs the OS, but goes into boot loop after restart. (Raspbian)
Raspbian (Raspbian Stretch with desktop) Version: April 2018
Tested with 4 different power supplies also.