The following issues have been addressed in this hotfix update:
Fixed connection filter setting not working properly
Various fixes to the Fatality Timer option
Combos option has been added to moves list for relevant titles
Fix for MK3 (Genesis) cheat menus not unlocking properly
Additional improvements to MK4
Minor localization corrections
Some fixes to MK Trilogy Training Mode
Additional fixes will be addressed in the upcoming "Online Arcade" update, with more details to be shared soon.