Patch 4.0.6 (8-Feb-2011): Pursuit of Justice is now providing Holy Power when the paladin gets stunned by the Fire mage talent Impact. Conversely, Pursuit of Justice is no longer granting Holy Power when the Paladin is hit by Holy Wrath.
Patch 3.2.0 (04-Aug-2009): This talent will no longer sometimes be deactivated when leaving a battleground.
/Patch 3.0.2 (14-Oct-2008): Reduced to 2 ranks for 8/15% movement increase and 1/2% less chance to be hit by spells.
Patch 2.3.0 (13-Nov-2007): Is now 3 ranks and increases movement speed by 5/10/15% and also reduces the chance you'll be hit by spells by 1/2/3%.