It’s got worse! Not only is there still no guidance on how to estimate these values, there are now 2 different ways to set it - only one of which is even mentioned in the documentation!
See: Undocumented: adl_main, wm_apmCustomStackSize
This really isn’t good enough! 
Even the tools and samples are no consistent - see: viewtopic.php?f=108&t=4943&start=0