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  Shake, Rattle, and Roll the Dice!
  After a long period of playtesting and consideration, we’re 
  making a slight change to how characters recover from 
  Shaken. We’re removing the need for a raise to take actions. 
  No other rules or effects change except for one Edge from 
  the Horror Companion noted below.
  Replace the rules for Shaken under Damage Effects with:
  Shaken
  If the damage of an attack is a simple success (0-3 points 
  over Toughness), the target is Shaken. Shaken characters 
  are rattled, distracted, or momentarily shocked. They aren’t 
  stunned but are temporarily suppressed and may hesitate.
  On their action, Shaken characters must attempt to recover 
  from being Shaken by making a Spirit roll:
  • Failure: The character remains Shaken. She can only 
  perform free actions.
  • Success: The character is no longer Shaken and may 
  act normally.
  Spending Bennies: A player may spend a Benny at any 
  time to remove her Shaken status (even when it is not her 
  turn).
  Horror Companion Update
  The change to Shaken necessitates an amendment to the 
  Relentless Edge from the Savage Worlds Horror Companion:
  Relentless
  Requirements: Novice, Spirit d8+
  Your slayer is truly driven to defeat evil. He must seek it out 
  wherever he suspects it lies, and brooks no interference from 
  those he thinks bar his way. 
  In exchange for this dogged determination and unflinching 
  dedication to the chase, Relentless characters may take a 
  single action at –2 to any Trait roll while Shaken.
  Savage Worlds FAQ 
  and Update May 2015
  
SOURCE: textdata/thevault/Savage Worlds System (SWADE) [multi]/_Core/Savage Worlds - FAQ (May 2015).pdf