Does http://www.reignofgaming.net/ work?
Anyway, here is the stuff from s@20. There are a couple links in there that I am too lazy to edit in.
Champions
Darius
Decimate (Q) Blade Width reduced to 220 from 270 [source].
Apprehend (E) slow reduced to 40% from 90%
Dr. Mundo
Burning Agony (W) [NOTE: There are no actual changes to the total damage or health cost of this ability but it now ticks twice per second instead of just once - source.]
Masochism (E) [few changes, now makes next attack also deal increased damage.]
"Dr. Mundo deals an additional 5/20/35/50/65 (+ 2% total Health) magic damage on his next basic attack and increased attack damage for 5 seconds. Dr. Mundo gains an additional [+0.4/.55/.7/.85/1] attack damage for each percentage of health he is missing."
[This is an auto attack reset]
Evelynn
Dark Frenzy (W) .Mana cost increased to 40 from 0.
Fiora
Grand Challenge (R) now heals for [between 2 to 5 seconds based on number of Vitals hit] down from [5 seconds].
Riven
[NOTE: These changes are EXPERIMENTAL. Few tweets for context: 1, 2, 3 ]
Runic Blade (Passive) changed to:
"Riven's abilities charge her blade, causing her next basic attack to deal an additional [20% - 50%] physical damage. If Runic Blade damages an enemy champion, Riven gains 20 Edge.
Riven's damage is increased by up to 10% based on how much Edge she has. If she hasn't gained Edge in the last 10 seconds, Riven begins to lose her Edge at the rate of 10 every second.
Bonus Damage: X"
Video preview available here.
Passive is now on next basic attack rather than stacking up to three times.
Passive now generates a new resource called Edge.
10 Edge = 1% damage increase.
Edge displays on Riven's resource bar and builds up to 100.
Blade of the Exile (R) - Instead of increasing damage based on missing health, Wind Slash now consumes all Edge on use and increases in damage based on that.
0 Edge = minimum damage & 100 Edge = the maximum damage.