Lately I've been noticing 0 increase in Progress while under the effect of Ingenuity II and using Careful Synthesis II.
It began when I was crafting Sour Cream(51) as my Culinarian(57). An unbuffed CSII did 200 progress. While a Ingenuity II buffed CSII also did 200 progress.

I began to test this as a weaver(specialist 60).
Here are my findings:
  • CSII on Rainbow Cloth : 247 progress
  • CSII on Rainbow Cloth w/ Ingenuity II : 247 Progress
  • CSII on Woolen Yarn : 256 progress
  • CSII on Woolen Yarn w/ Ingenuity : 256 progress
Now as a specialist I have use of Whistle While You Work which boosts your Progress gain if you do a progress action when it's at a stack multiple of 3.
  • CSII on Woolen Yarn w/ Whistle 9 stack : 362 progress
  • CSII on Woolen Yarn w/ Whistle 9 stack & Ingenuity II : 362 progress
So Whistle worked, but Ingenuity II still fails to do anything.
I switched over to ARM(54) and worked on Mythrite Ingots(51)
  • CSII on Mythrite Ingot : 160 progress
  • CSII on Mythrite Ingot w/ Ingenuity II : 183 progress
wtf ? So Ingenuity II ended up working on my ARM(54) but why didn't it work on the other crafts?

* Is CSII bugged?
* Is Ingenuity II bugged? or is this that insignificant.
* Are we hard capped?
* Am I trippin'?