Restricts scheduler < 1.5.0 (#5720)
Restricts scheduler < 1.5.0 (#5720)
soenkehahn/stackage,fpco/stackage,michalkonecny/stackage,simonmichael/stackage,massysett/stackage,mrkkrp/stackage,Daniel-Diaz/stackage,jonschoning/stackage,iand675/stackage