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2.0 Changes Not In the Patch Notes (Destiny)
Not including new content, here is a list of things I've found so far that are not in the patch notes:
* Weapon perks now trigger audio cues and HUD icons when their perks activate. And some even activate visual effects on the weapons themselves (eg: Outlaw shows an icon and countdown timer along with an audio cue. Hawkmoon even makes a sound when a lucky bullet occurs)
* Patrol has difficulty options
* Missions difficulty options have been changed, no pre-TTK difficulties beyond the default
* The Stranger's Rifle is now a legendary weapon that can be Ascended to Year 1 Max using 25 Legendary Marks
* Icebreaker maintains charge upon death
* Bungie can hide selected items from the database
* Dismantling Black Hammer gives you a rune to turn in to Eris for Crota's Bane Rep
* You no longer lose ammo changing activities
* (Unconfirmed) Exotic engrams exist as a physical engram
* Partially leveled items are now fully leveled (bubbles still need to be "completed"). Completely unleveled items apparently stay the same
* Weapons take longer to ready after blinking
* Can no longer kill yourself by shooting your foot in shallow water
* Font changes
* More inventory slots for consumables and materials.
* Featured Guardians and playlist descriptions in the Crucible Director
* Enemies spawns seem to have been adjusted, player location doesn't seem to affect spawning as much (if at all).
* Orb generation has been adjusted. Majors produce half the orbs, regular enemies seem to produce less as well.
* You can now revive dead teammates at the end of an activity
* ADS at ammo boxes reveals timer from greater distance relative to the power of the sight used
* Three motes of light earned every 25,000 experience. Previously one every 80,000.
* Can shoot axion bolts to stop them. (https://www.youtube.com/watch?v=0PZjLQqW9x0)
* Activity summary now shows Orbs Created instead of Orbs Collected
Small list of things we knew about but were not mentioned in the patch notes:
* Swap weapons on your back in social areas with Y/Triangle
* Eris has been moved to the Hall of Guardians
* Updated model for Amanda Holliday
* Collections (Shaders, Emblems, Ships, and Emotes)/blueprint/abandoned quest kiosks added
* Pulling left trigger on inventory shows element of each weapon
Know of any I'm missing? Let me know and I'll add them!