A recent update by the FAA to its pilot certificate testing system includes changes to the bank of sample questions that the FAA releases for each of the primary certification and rating levels: Private, instrument, commercial, flight instructor, and airline transport pilot for airplanes, rotorcraft, and gliders.
The update goes into effect March 29, 2021.
The bank of sample questions also includes questions for mechanics, dispatchers, parachute riggers, and more.
You can access a summary of the recently released updates, along with a schedule of planned changes at FAA.gov.
The bank of sample questions are available here.