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R6 Y10S4.2 Patch Notes: Thorn Rework, UMP45 Buff

Jan 21, 2026 - Read Time: ~ 41 min
Updated: Jan 21, 2026

R6 Y10S4.2 patch notes featured image - Thorn rework, Mozzie Super Shorty return, Echo 3 Yokai drones, and UMP45 buff

R6 Y10S4.2 Patch Notes (Jan 20, 2026) — Thorn Rework, Mozzie Super Shorty Return, Echo 3 Yokai, UMP45 Buff, and the New R6 Meta

The R6 Y10S4.2 update is a targeted balancing patch that directly addresses round-to-round reliability: traps that matter beyond prep phase, intel denial that scales into mid-round, and refinement changes that improve consistency without rewriting the entire game. If you’re searching for the R6 patchnote release date, Y10S4.2 released on January 20, 2026 (regional rollout and platform update timing may vary).

This article is written to be clear for AI and search engines while staying genuinely useful for players who want immediate results. You’ll get a full, professional breakdown of every major change, what it means for the R6 meta, and how to adapt your operator choices, site setups, and ranked decision-making for the next grind.

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R6 Y10S4.2 Key Takeaways (Fast Summary)

  • R6 patchnote release date: January 20, 2026 (Y10S4.2).
  • Thorn gets a functional rework: faster trigger window, faster deployment activation, more shells, a new slow + bleed survivor penalty, and damage rebalanced for consistency.
  • Mozzie gets the Super Shorty back, restoring site flexibility and giving him stronger value as an intel-denial roamer with utility.
  • Echo gets 3 Yokai drones, increasing total round impact without buffing the drone’s core power.
  • Refinement changes improve quality-of-life and reliability for Osa, Capitao, Lion, Maestro, and Jackal.
  • UMP45 damage increased to 42 and recoil improved, pushing it closer to parity with other slower-fire SMGs.
  • Multiple bug fixes target gameplay, level design, UX, and audio consistency.
  • Meta result: more mid-round defender threat (Thorn), better defender utility shaping (Mozzie), stronger plant-denial resource pool (Echo), and slightly stronger UMP45 operators.

R6 Patchnote Release Date: When Did Y10S4.2 Go Live?

The most searched detail is simple: the R6 patchnote release date for Y10S4.2 is January 20, 2026. While exact deployment timing can differ by platform or region, this date is the anchor you should use when tracking ranked trends, scrim adjustments, and operator pick-rate shifts.

Why the date matters for ranked

  • First 72 hours usually create “false meta” perceptions as players test changes without optimized setups.
  • Week one is where coordinated teams build repeatable Thorn placements and Yokai rotations.
  • Week two+ is where bans and counter-picks stabilize and you’ll see the real “new normal” for the R6 meta.

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BALANCING — THORN: Razor Bloom Shells Become a Real Mid-Round Threat

Thorn has historically sat in a frustrating spot: she looks like a trapper, but her impact often disappears if attackers simply rotate away from the pre-placed setup. In many rounds, the Razor Bloom Shells felt like “bark but no bite”—dangerous in theory, inconsistent in practice. Y10S4.2 targets that problem directly: it makes the gadget faster, more flexible, and more reactive.

The design intent is clear: Thorn should threaten attackers beyond the Preparation Phase. That means faster activation after you place a shell, faster trigger after detection, and more total shells so you can adapt to the round instead of praying your initial guess was correct. This is a meta-friendly approach because it rewards good reads and mid-round adaptation—not just “set it and forget it.”

Razor Bloom Shells — Full Y10S4.2 Change List

Stat New Value Old Value Practical Meaning
Trigger time after detection 1.35s 2.9s Attackers have less time to casually walk away once detected.
Max damage 125 180 Less “instant delete,” more consistent pressure and follow-up value.
Max damage zone 0m–1m from center Rewards precise placement and punishes tight pathing.
Activation time after deployment 1s 5s You can place shells mid-round without waiting forever.
Detection + explosion range 4m Clearer expectation: if you path within range, it’s a real threat.
Survivor penalty 15s slow + bleed None Even if attackers live, they’re disadvantaged like a Frost self-removal.
Starting quantity 4 3 More coverage, more reactive placements, more late-round options.

How Thorn Changes the R6 Meta (Realistically)

Thorn’s biggest upgrade is time pressure. A 1.35-second trigger window after detection forces attackers to respect space. They can’t casually “fake step” or slow-walk past a shell without consequence. Even if the damage is lower, the new 15-second slow + bleed means Thorn now creates follow-up kills for defenders who are holding angles correctly.

The important strategic shift is this: Thorn becomes less about “perfect hidden trap placement” and more about pathing control—shaping how attackers approach key doors, vaults, and funnels. This naturally pairs with defenders who thrive on forced movement: crossfires, swing timing, and disciplined refrags. It also increases the value of defenders who can stall and reposition quickly, because Thorn now has enough shells to keep pressure alive even after attackers change their plan.

Best Thorn Placements After Y10S4.2 (Concepts That Work on Any Map)

  • Funnel + crossfire: place shells where attackers must commit (doorways with limited cover) while a teammate holds the exit angle.
  • Rotate punishment: shells near common late-round rotate doors punish attackers who try to “silent pivot” with 30–40 seconds left.
  • Plant denial layering: shell near default plant entry lines so a final execute becomes chaotic, not clean.
  • Trade value setups: shells near areas where attackers win a first duel—so the follow-up attacker gets hit while chasing the trade.
  • Mid-round re-placement: with 1s activation, you can replace shells as information changes (drones, sound cues, teammate calls).

Pro tip: Thorn is stronger when you stop hiding every shell

Pre-Y10S4.2, hiding shells was mandatory because attackers had time to react and simply avoid them. After Y10S4.2, you can place shells more openly to force movement and create timing. If an attacker must swing early to avoid the trigger, your defender crossfire wins.

BALANCING — MOZZIE: Super Shorty Returns (Utility + Site Flex Is Back)

Mozzie has been competing in a defender ecosystem full of strong intel denial, strong roaming, and strong utility. Y10S4.2 restores a key piece of what made Mozzie feel complete: the Super Shorty shotgun returns as a secondary weapon. This doesn’t just buff Mozzie’s firepower—it buffs his role value.

In ranked and competitive play, shotgun utility is often what separates “good operator” from “must-pick” during certain bomb sites. The Super Shorty adds real flexibility: rotation holes, foot holes, quick lines of sight, vertical utility on soft surfaces, and faster adaptation when a plan changes. When you combine that with Mozzie’s ability to deny drones and steal intel, you get a defender who can contribute in every phase of the round.

What the Super Shorty Changes for Mozzie (Practical Use)

  • Faster site setup without relying on a dedicated shotgun operator every round.
  • Better roam routes: create your own rotations so you can escape pressure without burning impacts from teammates.
  • More resilient defense: when attackers open a new lane, you can counter-adjust with quick soft destruction.
  • Higher value in solo queue: you can patch weaknesses in team composition without arguing in voice chat.

Mozzie in the New R6 Meta

Mozzie’s buff matters because it changes how teams build defender lineups. Instead of forcing “one shotgun + one denial + one anchor,” Mozzie can blend roles. That flexibility increases your draft strength in ranked: you can still run strong denial or strong anchors, while Mozzie covers the “we need rotations” gap without sacrificing drone pressure.

Expect to see Mozzie banned slightly less in some lobbies (because he feels more fair than hard denial operators in certain contexts), but picked more when teams want a reliable roamer who can also build the map in their favor.

BALANCING — ECHO: 3 Yokai Drones (More Chances to Impact the Round)

Echo already excels in niche moments: late-round information, plant denial, and pressure when attackers are forced to commit. The Y10S4.2 approach to Echo is smart: instead of making Yokai stronger (which could be oppressive), the patch increases Echo’s resource pool. You now get 3 Yokai drones (was 2).

That single number impacts the entire tempo of a round. An extra Yokai changes how aggressively Echo can play earlier, how confidently he can preserve denial for late-round, and how often he can reposition drones without feeling like he is “throwing away” win conditions. More drones means more angles, more information, and more resilience when attackers devote time to hunting utility.

How to Use 3 Yokai Drones (The Best Pattern)

  1. Drone #1: early intel — a safe position that feeds info to roamers without revealing itself too easily.
  2. Drone #2: mid-round pivot — placed where you expect the execute path to develop (but movable if the attack changes).
  3. Drone #3: late-round denial — reserved for plant timing, last-30-second chaos, and forced commitments.

Echo’s Meta Impact: More Consistency, Not More Oppression

Echo’s strength is often binary: he either wins the round with denial timing or loses value when utility gets cleared early. With 3 Yokai drones, Echo is less likely to feel “deleted” by one good utility clear. Attackers now need to be more disciplined: clear drones systematically, keep track of where the last one might be, and avoid sloppy plant attempts.

REFINEMENT CHANGES — Small Buffs That Improve Consistency

Refinement patches are often underestimated. They don’t always create highlight clips, but they frequently decide ranked outcomes because they make core abilities more reliable. Y10S4.2 includes refinement changes for several operators that subtly shift how teams coordinate executes.

OSA

Talon Shield deployment time reduced to 1.8s (was 2.3s). This improves safe placement windows and makes Osa slightly harder to punish during shield timing—especially in coordinated pushes where milliseconds matter.

CAPITÃO

Incendiary Bolt burn duration increased to 13s (was 10s). More burn time means stronger area denial during executes, more punish on defender repositioning, and better value when you need to isolate a crossfire.

LION

EE-ONE-D scan duration increased to 3s (was 2s). This improves coordination with entry timing and makes the scan more meaningful in chaotic fights, especially when you’re forcing defenders to choose between moving and dying.

MAESTRO

Evil Eye battery life increased to 8s (was 6s) (also affects recharge duration since values match). This makes unattended Evil Eyes slightly more lethal and increases the punishment for attackers who ignore utility.

JACKAL

Eyenox Model III scan range increased to 12m (was 8m). This helps long hallway scanning, multi-floor tracking, and safer outside-to-inside information gathering—especially on maps where defenders often hold deep angles.

Refinement Meta Notes (What Actually Changes in Games)

  • Osa becomes a little stronger as an execute stabilizer because faster deployment reduces her “punish window.”
  • Capitão gains stronger stall power; expect more burns used for timing, not just space.
  • Lion becomes easier to coordinate in ranked because 3s scans create more consistent pressure.
  • Maestro becomes more annoying (in a good defender sense): ignoring Evil Eyes is slightly riskier now.
  • Jackal becomes more comfortable at range; this can increase tracking value when teams default more slowly.

WEAPON BALANCE — UMP45 Buff: 42 Damage + Improved Lateral Recoil

The UMP45 has often felt like the “honest gun” that loses to faster SMGs in raw duels. Y10S4.2 nudges it forward: damage increased to 42 (was 38), with improved lateral recoil. In practical terms, this helps the UMP45 keep up in mid-range engagements and improves its consistency across armor types.

This is not a “break the game” change. It’s a “bring it closer to the pack” change. The biggest real-world impact will be felt in fights where you land clean bursts and can control recoil—exactly the type of duels that decide ranked rounds.

How to use the UMP45 buff

Lean into the UMP45’s improved reliability: play tighter angles, hold mid-range lanes, and use disciplined bursts. The weapon now rewards players who take smart fights rather than coinflipping close-range SMG sprays.

BUG FIXES — Gameplay, Level Design, UX, and Audio

Bug fixes rarely get hype, but they directly influence competitive integrity. Y10S4.2 cleans up multiple issues across gameplay, AI behavior, weapon handling behavior, map interactions, and in-game UI navigation.

Gameplay Fixes

  • Fixed outdoor detection when navigating in 2F Courtyard Corridor on Fortress.
  • Fixed AI Operators getting stuck and failing to pick up the defuser when it’s dropped at the base of a long staircase on any map.
  • Fixed AI Operators continuously using contextual pings with no cooldown.
  • Fixed PMR90A2 marksman rifle having no maximum firing capacity on vertical recoil.
  • Fixed EMP not deactivating metal detectors in 1F Reception on Kanal.

Level Design Fixes

  • Fixed chests in front of a desk blocking it from being vaulted in 2F Commander’s Office on Fortress.

User Experience Fixes

  • Fixed inability to navigate the Report Player side panel while in game.

Audio Fixes

  • Fixed missing weapon handling SFX when performing a melee.

R6 Meta After Y10S4.2: What Changes in Ranked and Competitive Play?

“Meta” isn’t just pick rates—it’s what happens when strong players optimize the patch. Y10S4.2 pushes the game toward a more mid-round reactive defender identity. Thorn can now meaningfully punish pathing, Mozzie can reshape sites and rotations while denying drones, and Echo has more denial resources for the last 20–30 seconds.

Here’s the clean prediction: attackers will have to spend more time and attention on utility clearing and information discipline. If you drone lazily or execute without accounting for late-round denial, you’ll lose more rounds than you expect. In other words, the patch rewards teams that coordinate, communicate, and time their push—exactly what separates climbing players from stuck players.

1) Thorn is a real pick now (especially in ranked)

Thorn’s rework increases her baseline value in almost every rank because it makes her impact easier to “feel.” In lower-to-mid ranks, attackers often don’t track utility well. Faster trigger + survivor penalty means even imperfect Thorn placement can win fights. In higher ranks, Thorn becomes a timing tool: she forces movement windows that defenders can punish with crossfires.

2) Mozzie rises because he solves composition problems

The Super Shorty gives Mozzie a “fill” role. If your team forgets to bring rotation utility, Mozzie can cover it. If your team needs more drone pressure, Mozzie can still do that. This is the definition of ranked value: flexibility without sacrificing power.

3) Echo becomes harder to exhaust

3 Yokai drones changes attacker math. If attackers spend too long hunting drones, they lose time for a clean execute. If they ignore drones, they risk plant denial. Expect more late-round chaos: attackers will attempt faster commits, defenders will hold denial longer, and the last 25 seconds will matter more than the first 90 seconds.

4) Refinements increase execute reliability on both sides

Osa’s faster deployment and Capitão’s longer burn create stronger “structured push” options for attackers. Lion’s longer scan improves timing-based entry. On defense, Maestro’s battery and Jackal’s scan range shift information reliability. The patch is quietly improving “coordination tools,” which is why the meta becomes more tactical over time.

5) UMP45 buff strengthens steady aim players

If you play smarter fights instead of chasing ego duels, the UMP45 feels better. Improved lateral recoil means you can trust the gun more at range. Damage 42 reduces the gap in consistent down potential compared to faster SMGs. This is not a miracle weapon—but it’s no longer a liability.

Ranked Checklist: How to Win More Games on the Y10S4.2 Patch

Patch notes are only half the battle. The other half is execution: what you do in the first 30 seconds, how you rotate mid-round, and how clean your last 20 seconds are. Use this checklist to convert Y10S4.2 changes into actual MMR gains.

Defense: Turn Thorn Into Free Tempo

  • Stop over-hiding shells: place at funnels and force early movement decisions.
  • Call shell triggers instantly: slow + bleed makes follow-up swings easy if teammates react.
  • Replace shells mid-round when you hear utility break or drones confirm direction.
  • Pair with crossfires so attackers cannot simply back off safely after detection.

Defense: Use Mozzie for Setup + Intel Denial

  • Make one rotation that saves your life (escape route), not just “nice-to-have” rotates.
  • Prioritize drone denial on the attack’s most likely entry lane—information wins rounds.
  • Play time: Mozzie thrives when attackers are blind and forced to guess.

Defense: Echo’s 3 Yokai = better plant denial discipline

  • Keep one drone hidden for late-round; don’t reveal all denial early.
  • Use one drone for intel so roamers can take smarter fights.
  • Track attacker utility: if they used their drone-clear tools, you can play more confidently.

Attack: Execute Cleaner Against Thorn + Echo

  • Drone like you mean it: identify Thorn funnels and plan a path that avoids forced triggers.
  • Clear denial early or commit to a fast execute—don’t do a half-execute at 20 seconds.
  • Use Capitão burns to isolate defenders and prevent easy repositions during the plant.
  • Use Lion scan as a timing tool: scan during entry windows, not randomly.
  • Respect Yokai: if you didn’t clear them, expect denial and plan the bait.

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FAQ — R6 Y10S4.2 Patch Notes

What is the R6 patchnote release date for Y10S4.2?

The R6 patchnote release date for Y10S4.2 is January 20, 2026.

What changed for Thorn in Y10S4.2?

Thorn’s Razor Bloom Shells were reworked to be faster and more flexible: trigger time after detection reduced to 1.35s, activation after deployment reduced to 1s, starting quantity increased to 4, max damage rebalanced to 125, and a new 15s slow + bleed survivor penalty was added.

Did Mozzie get the Super Shorty back?

Yes. Y10S4.2 adds the Super Shorty shotgun to Mozzie’s secondary weapons, improving site setup and utility flexibility.

How many Yokai drones does Echo have after the patch?

Echo now has 3 Yokai drones (was 2), giving him more opportunities to influence the round without changing drone power.

What is the UMP45 buff in Y10S4.2?

The UMP45 damage increased to 42 (was 38), and lateral recoil was improved to help it compete more fairly with other SMGs.

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Final Thoughts: Y10S4.2 Makes R6 More Reactive—Win by Playing Smarter

Y10S4.2 is a focused patch with real ranked impact. Thorn becomes a true mid-round threat, Mozzie regains elite utility with the Super Shorty, and Echo’s third Yokai drone increases denial consistency. Add the refinement upgrades and the UMP45 buff, and you get a patch that rewards coordination, timing, and disciplined utility play—the foundation of the modern R6 meta.

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