was the a change to tactics (mon 5/15) implemented?

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daxypoo
has tactics trainer been modified from the april 2017 changes

i ask because i have gotten a couple of +18's in the last couple of puzzles
daxypoo
and i dont automatically get -11 for a first move wrong answer
daxypoo
and most (right or wrong are in the +/-5) range
R3G3NT

There is definitely a change, well multiple changes over the last couple of months. Chess.com's tactile trainer is such an enigma. I wish there was more information about it.