This patch improves skill attack speeds, improves collision/bouncing, adds new item icons (more uniques soon), improves attack effects, and fixes several other minor issues.
0.866 change list:
now attack speed speeds up attack skills instead of boosting their damage (dps should still be the same though)
improved collision a bit
a loose solid in the deposit spot of a block no longer prevents a loose solid block from falling
added glow versions of all normal equipable item icons (hopefully more unique items coming soon)
now all evil gods have some cataclysm that they can start on starting worlds
basically doubled almost all machine quests effects
increased bomb DiggingMult from 5.0 to 10.0
item skill modifiers can no longer be augment versions of skills (ulyssessword)
fixed items getting distributed to lifestone sometimes
now block cracks display on top of blocks with a normal deposit block better
doubled length of time of damage flash
objects shake more and longer when damaged
added some damage shake to monsters
fixed 2 more quest types not playing complete sound correctly
made CurseOfVulnerability effect smaller
increased several monster pain sounds volume
shortened special hit text from Critical Hit/Crushing Blow/Stunning Blow/Deep Wounds to crit/crush/stun/wound
fixed capitalization issue with "thinks they can be Din's Champion" dialog
added curiosities to perception tip
changed Scenerios Won/Lost to Areas Won/Lost