FS1000A / XY-MK-5V 433Mhz TX/RX Module

I just bought 3 pairs of these on Ebay. I have an Uno and an Uno Rev3 and I got it working with VirtualWire in 0023

Tried 1.0.3 but got compile errors, so switched to 0023 and the examples transmitter and receiver work just fine with these.