I have a character with 450 Artifice who has been making advanced items requiring Mytag crystals since shortly after ROTHC was released.
I am quite familiar with the streaky nature of the RNG, and the rarity of the drop for the missions I run with my crew.
During the day (and often evenings)I work with swtor in the background, constantly running crafting missions with 2 crew members dedicated to running rich and bountiful missions to keep a steady stream of Mytag crystals coming in.
A few days ago the stream of 5-10 crystals a day just stopped. Completely. Not one mytag crystal has dropped since.
Can anyone invalidate the hypothesis that they dramatically changed the drop rates in the last patch?