Version 7.23a

General

 * Neutral drops will now always drop only 3 items per tier, rather than having a chance to get more
 * Neutral drops no longer have an end period in terms of when they can drop, just a start period (now 5/15/25/40/70). Higher tier items will always roll first
 * Neutral drop rate changed from 10/5/2.5/1.25/etc to 9/6/3

Heroes

 * Reduced max mana burn from 2%/3%/4%/5% to 1%/2%/3%/4%.


 * Base mana regen from 1 to 1.5
 * Magic resistance reduced from 4/6/8/10 to 5/6/7/8
 * Mana regen from 1/1.5/2/2.5 to 0.5/1/1.5/2
 * Mana regen from 1/1.5/2/2.5 to 0.5/1/1.5/2


 * cooldown reduced from 32/28/24/20 to 26/24/22/20
 * Aura increased from 25/30/35 to 30/35/40
 * Damage increased from 40/50/60 to 70/80/90
 * Damage increased from 40/50/60 to 70/80/90


 * Spirit Bear base attack time increased from 1.65/1.55/1.45/1.35 to 1.7/1.6/1.5/1.4
 * Level 25 Talent reduced from -0.5 Spirit Bear Attack Time to -0.25


 * from 13 + 1.1 to 15 + 1.5
 * Base increased from 20 to 22
 * Attribute Shift stats increased from 1/3/5/7 to 3/5/7/9
 * Level 10 Talent from +10 Agility to +12


 * increased from 28 + 3.5 to 30 + 4.2
 * increased from 19 + 2.6 to 21 + 2.9
 * Mana per charge increased from 30/40/50 to 40/50/60
 * Multiplier increased from 0.4/0.5/0.6 to 0.5/0.6/0.7
 * Multiplier increased from 0.4/0.5/0.6 to 0.5/0.6/0.7


 * Level 10 Agility reduced from 15 to 10
 * passive shock damage reduced from 80/110/140 to 60/100/140


 * Increased base armor by 2
 * Increased gain from 2.3 to 3.3
 * Cast range increased from 500 to 700
 * Stun duration increased from 1.4/1.6/1.8/2.0 to 1.6/1.9/2.2/2.5
 * fixed damage per shot increased from 30/45/60/75 to 45/60/75/90
 * Damage increased from 175/250/325 to 200/300/400
 * Increased slow from 15% to 25%
 * Reduced minimum travel time from 1 to 0.8 and max travel time from 2.5 to 2
 * Increased slow from 15% to 25%
 * Reduced minimum travel time from 1 to 0.8 and max travel time from 2.5 to 2


 * Slow from 30/35/40% to 40/45/50%
 * Strength multiplier from 30/40/50% to 40/50/60%
 * Strength multiplier from 30/40/50% to 40/50/60%


 * Base armor reduced by 1
 * slow from 25/35/45/55% 10/25/40/55%
 * cooldown increased from 50/40/30 to 70/50/30


 * Base reduced from 27 to 20 (base damage unchanged)
 * Attack Range bonus from 60/100/140/180 to 60/90/120/150
 * Level 20 Talent reduced from +10 Attributes to +8
 * Level 20 Talent changed from Illusion Casts Spells to +200  Damage
 * Level 25 Talent reduced from +400 Damage to  Illusion Casts Spells


 * Increased gain from 2.5 to 2.8
 * Cast point reduced from 0.4 to 0.2
 * Cast range increased from 600/800/1000 to 700/900/1100
 * Cast range increased from 600/800/1000 to 700/900/1100

Items

 * Cooldown increased from 75 to 90
 * Duration reduced from 90 to 75
 * Fixed previous summons not disappearing


 * Moved from Tier 3 to Tier 2
 * Mana regen reduced from 3 to 2


 * Moved from Tier 2 to Tier 3


 * Now increases damage of your player controlled units as well.

Critical Strike reduced from 1.6 to 1.4
 * Damage increased from 18 to 20


 * Cooldown increased from 20 to 25


 * Mana regeneration reduced from 1.5 to 1.25


 * Manabreak reduced from 30 to 20
 * Magic resistance increased from 15% to 25%
 * Mana steal now only has half effect on creeps


 * No longer has a 75% chance, instead has a 4 second cooldown.


 * Health/Mana regen reduced from 10/5 to 6/3
 * All stats increased from 4 to 5


 * No longer Gives +30 All stats.
 * Health restore reduced from 100% to 50%
 * Now refreshes your non-ultimate abilities upon triggering


 * Moved from Tier 2 to Tier 3


 * Cast Range reduced from 500 to 450
 * Vision range reduced from 800 to 450


 * No longer has an active. Now provides 20% Cooldown Reduction, +12 All stats and +4 Mana Regen


 * No longer has a cleave or splash effect. Now has +25% Demolish


 * Debuff duration amp reduced from 35% to 25%
 * Spell Amp increased from 10% to 15%


 * Removed


 * Moved from Tier 3 to Tier 2 (stats lowered to just the components of the recipe)


 * Now provides +1000 Health and -400 Mana


 * Health regen increased from 50 to 70

Trivia

 * 7.23a is the first version to use "a" as suffix since Icefrog took over the development of Dota.