The APSIM command language has changed to make it more intuitive. The new language is described here. Most of the changes are to the add command. The other commands remain unchanged.
Examples that show how to convert new old syntax to the new syntax.
add - add a new or existing model to another model.
add [Zone] Report -> add new Report to [Zone]
add [Zone] Report MyReport -> add new Report to [Zone] name MyReport
add [Zone] soils.apsimx;[Soil1] Soil -> add [Soil1] from soils.apsimx to [Zone] name Soil
duplicate - duplicate a model.
duplicate [Zone].Report NewReport -> duplicate [Zone].Report name NewReportcomment lines - only # is supported as a comment character.