SIMION 8.0 Issues/Bugs/Enhancements

Issue I560 [defect-gui,med-high]
  Fast adjust screen crash on GUI events when PA loading.
  
  Test quickly entering and exiting Fast Adjust screens,
  dozens of times in rapid succession.
  Holding down F key and then clicking Fast Adjust.

  More specifically, on main screen clicking Fast Adjust button
  and very shortly after pressing F key (before Fast Adjust screen
  opens).  After entering Fast Adjust
  screen press ESC.  This crashes it.

  Disabling asynchronous I/O ("simion.debug.allow_asynchronous_io=false" in 8.0.6-TEST10)
  stops this.
  
  Affects 8.0.6-TEST9 and probably certain earlier versions.
  Not yet resolved.