They just launched 34 sats and have 74 in space. For years they have been the assumed leader on next gen space internet, fighting SpaceX's starlink.
It's sad to see them go but the writing was on the wall. Starlink sats weigh more yet SpaceX has already launched 362 of them. OneWeb was super ambitious with their plans yet seemingly they ended up not being ambitious enough. With them out of the picture, Amazon is the only major player besides SpaceX.