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Patch 26.19

26.18 → 26.19 Riot’s official notes ↗
7Changed
4Buffed
2Nerfed
1Adjusted
Nocturne-2.3 ppwin rate · JungleRyze-2.6 ppwin rate · Middle

Compiled automatically by comparing Riot’s published game data (Data Dragon) for 26.18 and 26.19. That data carries base stats, cooldowns, costs, ranges and ability text; it does not carry ability damage or ratios, so changes to those do not appear here. Riot’s official notes are the complete source.
Win rate is measured from teamdiff’s own ranked sample — 348,640 games on patch 26.18 against 112,625 on 26.19. Cards show all 7 comparable changed champions; highlighted movers exceed the sampling-noise threshold. Tier changes compare the same role on each patch. These observations do not establish the cause of a change.

Champions

AatroxBuff
Win rate change+0.8 pp
Tier change5 → 4
49.4% → 50.2% · Top
23,027 → 8,662 games
Change, 95% CI: ±1.2 pp
Not statistically significant
W · Cooldown20/18/16/14/12→18/16.5/15/13.5/12
DravenBuff
Win rate change-0.2 pp
Tier change4 → 4
49.6% → 49.5% · Bottom
5,942 → 2,758 games
Change, 95% CI: ±2.3 pp
Not statistically significant
Base attack damage62→64
FioraBuff
Win rate change+1.7 pp
Tier change5 → 3
48.9% → 50.7% · Top
11,411 → 5,134 games
Change, 95% CI: ±1.6 pp
Not statistically significant
Health per level99→105
LilliaBuff
Win rate change+1.6 pp
Tier change4 → 2
49.8% → 51.5% · Jungle
10,525 → 4,523 games
Change, 95% CI: ±1.7 pp
Not statistically significant
Base armor22→24
NocturneNerf
Win rate change-2.3 pp
Tier change4 → 5
49.9% → 47.6% · Jungle
19,880 → 5,568 games
Change, 95% CI: ±1.5 pp
Statistically significant
R · Cooldown140/115/90→160/130/100
RyzeAdjusted
Win rate change-2.6 pp
Tier change5 → 5
47.0% → 44.4% · Middle
16,687 → 4,328 games
Change, 95% CI: ±1.7 pp
Statistically significant
Armor per level4.2→4.7
E · Cost35/45/55/65/75→40/50/60/70/80
ViNerf
Win rate change-0.9 pp
Tier change4 → 5
50.0% → 49.1% · Jungle
31,079 → 7,962 games
Change, 95% CI: ±1.2 pp
Not statistically significant
Base attack damage63→61