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Riot's May 2026 dev update brings three major changes to League of Legends: a brand-new AP assassin, a full ARAM Chaos overhaul, and the long-awaited return of Ranked 5v5 for serious teams.
Riot just dropped one of its biggest dev updates of 2026, and there's a lot to unpack. New champion, a complete ARAM overhaul, and the return of League of Legends ranked 5v5 play, all landing this summer. Here's everything competitive players need to know for the May 2026 dev update.
This is the one everyone's been waiting for. Riot is officially bringing back a dedicated Ranked 5v5 queue, running as a weekend experiment from June 26 to September 6, 2026. Sessions are scheduled at fixed hours on weekends only, so the whole player base queues at the same time.
The key rules: you need a full group of five to launch a match search. No duo-filling, no randoms. And for the first time in years, there's no rank restriction between teammates, so you can finally queue with friends regardless of where they sit on the ladder.
Riot's goal is clear: by concentrating players into fixed time windows, matchmaking quality goes up and queue times go down. For any serious team that's been grinding LoL Ranked looking for structured competition, this is the mode you've been missing.
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The next champion drops with Patch 26.13, and he's built for players who like to explode enemies before they can react. Locke is a mid-lane AP burst assassin, the kind of champion that does all his damage in one precise window if you set up correctly.
He's coming in alongside a High Noon skin at launch, making him one of the more premium champion releases of Season 2026. No rank restriction between teammates means Locke arrives right as ranked team play gets a spotlight moment.
Keep an eye on Amber.gg's LoL meta tracker once Locke hits live: his burst pattern will make or break the mid-lane matchup pool fast. His numbers and builds will update with every patch.
The Chaos mode isn't going anywhere, but Riot is reworking how it feels from the ground up. The Traits system is being removed, replaced with a more flexible set of independent Skill Optimizations.
Instead of being locked into a predetermined kit of trait effects, you'll now pick from 50+ standalone augments that change how your champion actually works. The best example: one augment gives Blitzcrank the ability to hook multiple targets at once. That's not a stat tweak: that's a completely different champion.
Riot is also testing an ARAM Wardrobe feature in Oceania and Brazil: 1,350 RP for 30 days of access to most Epic-tier and lower skins released before 2026. If the test goes well, expect a wider rollout. It's not ownership, but it's a cheap way to flex in ARAM without committing to a single skin.
For the full champion meta picture heading into these changes, see LoL Patch 26.11 notes and the Patch 26.10 tier list for context on where the meta stands right now.
A quick note for esports fans: MSI 2026 is locked in at the Daejeon Convention Center II in South Korea, running June 28 to July 12, with the Grand Final on July 12.
Every region's first seed skips Play-Ins and goes straight to Brackets. BLG from China is already in after winning First Stand in Brazil earlier this year 🏆. A Season 3 preview will air during the MSI Final, so this event is worth watching for what comes next.
Check the full LoL 2026 esports calendar to plan your viewing schedule around MSI and beyond.
This summer's update is stacked: a burst assassin reshaping the mid lane, a chaotic ARAM mode that plays differently every time, and a ranked queue built for real teams. If you've been grinding LoL ranked solo queue waiting for a reason to finally play as a five-stack, June 26 is your date 🎯.
Amber.gg lets you put real stakes behind those games. Join the community and compete with your squad when Ranked 5v5 drops.
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