kbuckmaster | "Buckmonst3r" UEFN

🚨 Epic just added 3 NEW items to the Fortnite Developer Roadmap! 🆕 NEW ROADMAP LISTINGS Q4 2026 • Memory Snapshot and Memory Calculation Updates Run memory calculations directly from UEFN without a live session. Improved memory breakdowns by asset and map location. • Open Formats: USD Import Import .usd, .usda, .usdc, and .usdz files directly into UEFN, including meshes, materials, textures, and animations. Q1 2027 • Unreal Insights MCP Updates Start and stop performance traces through MCP, retrieve trace history, and retain loaded traces after reconnecting.

🚨 IMPORTANT for Fortnite creators New Discover assets are REQUIRED for some of the biggest placements: • Hero Carousel • Top 10 • Epic's Picks You'll need new thumbnails, gameplay video & a transparent island logo. Get these ready before Oct 15.

🚨 Fortnite Developer Roadmap Update Epic just added 3 new cards: • Profiling Support for MCP • Memory Reporting Improvements • Profiling on Mobile Devices Big focus on performance here. MCP profiler analysis, better memory reporting, and mobile profiling are all coming. 👀

🚨 Fortnite. GG just added Genre Benchmarks to island stats. You can now quickly see how your map compares to others in the same genre across retention, playtime, sessions, favorites, recommendations & more. Really useful way to see where your game is actually over or underperforming. Credit: @FortniteDotGG

🚨 Big memory workflow changes are coming to UEFN. Epic is moving publish memory reporting into the profiling tools. 🧠 Memory calculation will now run automatically on every cook 📊 Game Performance will flag projects over the limit 🔍 Per asset memory digests will show what is using memory 💾 Memory will be shown in real units The current 100,000 unit publish limit will display as 300 MB. The budget itself is NOT changing. In a future update, the Memory Thermometer will also be removed from running sessions, with memory guidance moving fully into the profiling workflow.

🌟 Fortnite Ecosystem v42.20 Update Summary 🌟 📅 September 17, 2026 🎮 Major Creator Updates: 1️⃣ Channel API Creators can now build custom voice and text chat channels and control who can communicate and when. 🔹 Create channels for teams, zones, spectators, or custom player groups 🔸 Add or remove players dynamically 🔹 Detect when players start and stop speaking 🔸 Use communication as part of gameplay 2️⃣ Unarmed Weapon Update UEFN now supports expanded unarmed combat in first and third person. 🔹 Two hit punch combo 🔸 Shove players backward 🔹 Works in first and third person Great for boxing, melee, horror, and first person experiences without traditional Fortnite weapons. 3️⃣ Widget Preview in UEFN You can now preview and interact with UI widgets directly inside the editor without launching a session. 🔹 Preview animations in real time 🔸 Test interactions 🔹 Update elements like button text 🔸 Iterate on UI much faster 4️⃣ Discover Like & Dislike Updates Players can now like or dislike an island directly from its Discover details page after playing it. 🏃 Player Movement Device Updates: Several maximum values have been increased: 🔹 Sprint Maximum Speed: 2,000 to 11,000 🔸 Tactical Sprint Speed Multiplier: 5 to 20 🔹 Maximum Acceleration: 1,000 to 10,000 Epic notes that values above the previous limits are used at the creator's own risk. 🔫 New Weapons: 🔹 Reaper Sniper Rifle • Rare • Epic • Legendary 🔸 Overpowered Pump Shotgun 🔹 Overclocked 8-Bit Shotgun 🔸 Balloon Popper Assault Rifle 🔹 Accelerant Drum Gun 🏛 New Prefabs & Galleries: Stone Sanctum Set 🔹 Stone Sanctum Temple 🔸 Floor Gallery 🔹 Wall Gallery 🔸 Roof Gallery 🔹 Prop Gallery 🔸 Foundation Gallery 🧠 Memory & Performance Changes Coming: Epic is moving island memory reporting deeper into UEFN's profiling tools. 🔹 Memory calculations will automatically run on every cook 🔸 Game Performance will report when a project exceeds the memory limit 🔹 Per asset memory digests will show what is consuming memory 🔸 Memory will eventually be displayed in real units The current 100,000 unit publish limit will display as 300 MB. The actual memory budget is not changing. The Memory Thermometer will eventually be removed from running sessions, with memory guidance moving into the profiling workflow. 💰 Marketplace & Entitlement Verse API Changes: Marketplace APIs, including entitlement, are moving from: Fortnite.com/Marketplace to: UnrealEngine.com/Marketplace Existing islands are unaffected because the old symbols remain available as aliases. New projects should use the UnrealEngine Marketplace namespace. V-Bucks specific functionality remains under Fortnite. 🏎 Rocket Racing Template Changes: Starting October 1, Rocket Racing will leave Fortnite. UEFN islands built using Rocket Racing templates will: 🔸 Be unpublished 🔹 No longer be playable 🔸 No longer support publishing new islands or updates using those templates Rocket Racing development tools like the Track Spline Tool, Boost Pads, Volume Hazards, and Spawner devices have been migrated so creators can continue building racing experiences without the Rocket Racing template. 🌍 Fortnite Communities Auto Localization: Fortnite Communities posts are now automatically machine translated into Fortnite supported languages. Replies can also be translated on demand. 🛠 UEFN & Editor Improvements: 🔹 Session Inspector now shows a progress bar and log window during Launch Session and Push Changes 🔸 Improved editor framerate when selecting devices 🔹 Projects automatically reload when their Brand changes 🔸 Added touch controls to the paused debug camera 🔹 Improved logging for assets that need to be resaved before launching a session 🐛 Notable Fixes: 🔹 Fixed console players being unable to join PC hosted Live Edit sessions 🔸 Fixed Verse bound values on multiple In World UMG widget instances 🔹 Fixed ammo UI incorrectly displaying 0 after switching classes 🔸 Fixed mobile Input Trigger events using Standard Action inputs 🔹 Fixed UEFN mobile client crashes when pushing changes 🔸 Fixed physics island sliding feeling sluggish or jittery 🔹 Fixed incorrect fall damage on Physics enabled islands 🔸 Fixed several Telekineticon replication and grabbing issues 🔹 Fixed custom rarity colors falling back to Common 🔸 Fixed In World UMG widgets rendering in the wrong order when viewed at an angle 📍 Roadmap Updates: Fortnite's public UEFN roadmap has moved to its new format. Roadmap changes will now have their own section inside Fortnite Ecosystem release notes. Epic says the updated roadmap is intended to focus more clearly on features they are currently committed to delivering.

Fortnite islands can now be liked or disliked directly from the Discover details page.

🚨One of UEFN's biggest hits was built in a way I did NOT expect. @scottulliman & @natereesedev from @FoadZone break down how Droid Tycoon was built, the tech behind 40+ custom droids, lessons from launch, and what's next. Creative Juice is LIVE on YT + wherever you get podcasts. 👀

Nearly 75% of the players in Adam's Fortnite game are Japanese players on Switch. 🤯 Did NOT expect that. Adam from @GetDillyApp breaks down what surprised him after launch, and why you can't just drop a game and rely on Discover.