Patch 12.7 overview
Champions you recently played
No change
Other Champions
Passive burn base damage increased late. W mana cost decreased.
E cooldown refund increased. R cooldown decreased early.
Base health, health growth, and armor adjusted.
Base mana, move speed, and attack speed growth increased.
Q damage against monsters increased.
Base AD decreased. Q base damage decreased.
Passive healing against champions increased. W base damage increased.
W passive base damage and move speed increased.
Base health regen decreased. Tap Q range and width increased. E self-slow no longer applies when moving backwards. R crash now lands faster.
Q bonus damage against structures reduced. W bonus damage against monsters increased.
Q damage AP ratio increased; bonus mana ratio decreased.
Q cooldown decreased. W cooldown decreased late; dash can now go through terrain. E AP ratio and damage against monsters increased.
Base health increased. R cooldown decreased early.
R cooldown decreased late.
Base AD, AD growth, and armor decreased; health growth increased. Q base damage decreased, AD ratio increased; now applies on-hit effects only once per cast; now grants at most one R stack and E cooldown reduction once per cast, but crits can grant one more of each. W base damage decreased, AD and AP ratio increased. E cooldown increased early and decreases with rank again. R cooldown increased early and decreased late.
Items you recently played
No change
Other items

Abyssal Mask
Abyssal Mask has taken a back seat to Force of Nature in terms of magic resist options this season. We’re buffing Abyssal Mask’s passive, Unmake, to help it stand out as an aggressive tank option which will help unmake your enemies’ MR.

Galeforce
Galeforce has been the go-to marksman mythic for a while now and has made hypercarries like Jinx and Aphelios a bit too safe in Pro play. We’re increasing Galeforce’s active cooldown to give opponents larger windows to punish scaling marksmen before they reach their endgame.

Moonstone Renewer
Moonstone has been eclipsing the other enchanter support options. It offers a little too much sustain with relatively little risk, so we’re tuning down the bonus shields and heals to bring it in line with other enchanter mythic items.

Umbral Glaive
Umbral Glaive hasn’t been living up to its fantasy of blacking out opponents’ maps. We’re implementing some buffs to make it a better option for supports building lethality and roaming assassins looking to be a tad sneakier.

Winter's Approach
Winter may be over for those of us in the Northern Hemisphere, but Winter’s Approach is still the premier choice for mana tanks and a few mages, despite being a scaling item. We’re increasing its cost to make it less appealing as a first purchase.
Runes you recently played
No change
Other runes

Time Warp Tonic
Time Warp Tonic provides its users too much safety versus divers. Combined with the generic sustain power of Corrupting Potion, this often means ranged champions that want to play safe… always stay safe. We’re diluting the tonic a bit by taking out some of its special safety syrup making it easier to punish.