http://infraarcana.wikispaces.com/Release 7 (August 25, 2011)
New features
*Save function
*Sneaking (unaware creatures are marked with an underscore)
*Backstabbing ("You stab the Cultist covertly with a dagger")
*Entry for sneaking and backstabbing in the manual
*Three new level-up bonuses to choose from
*Slot for prepared weapon (for fast switching)
*More insanity effects (including permanent effects)
*The back-story is written in the game
*Some text (e.g. insanity events) is shown in a pop-up box instead of the message log (they were too easy to miss)
Fixes
*Lower monster spawn rate
*Removed hunger (the sanity system made it redundant)
*Animals listen for sound
*+1 or 2 HP when levelling up (randomly)
*More HP restored when levelling up
*Using the 'fire' command while aiming at yourself cancels the aiming mode
*Scroll of corruption can not take you to 0 HP
*Removed the "It was a scroll of" message when reading unknown scrolls
*Much higher shock from reading and identifying scrolls
*Toughness increases HP instead of decreasing damage taken
*You can no longer use the throwing attack while "Terrified"