RDR has not seen significant progress ever since the MCP has been accepted due to my limited availability. I do plan to pick it up back again around RustWeek. There's also now a small group of people interested in helping out with this MCP's implementation that includes: @davidbarsky @P1n3appl3 @capickett @fasterthanlime We met on April 7th - we are all gonna attend RustWeek as well. Current obstacle - ICEs