# \#Performance **URL:** https://forums.unrealengine.com/tag/performance/34.md [Latest](https://forums.unrealengine.com/latest.md) · [Categories](https://forums.unrealengine.com/categories.md) · [Tags](https://forums.unrealengine.com/tags.md) --- ## [How to stop grass from spawning on slopes](https://forums.unrealengine.com/t/how-to-stop-grass-from-spawning-on-slopes/264190)
**Author:** [@Hupu01](https://forums.unrealengine.com/u/Hupu01)\ **Replies:** 5\ **Last updated:** [November 10, 2026, 10:45pm UTC](https://forums.unrealengine.com/t/how-to-stop-grass-from-spawning-on-slopes/264190 "2026-11-10T22:45:37Z")
I am using a slope function to have rock texture spawn on certain slopes and the rest remains grass. When I try to use the grass output node and tell it to only sample grass it still is spawning it over my entire landsca… --- ## [Feedback & Suggestions for Unreal Engine 5.9 ](https://forums.unrealengine.com/t/feedback-suggestions-for-unreal-engine-5-9/2853436)
**Author:** [@RsGoku](https://forums.unrealengine.com/u/RsGoku)\ **Replies:** 0\ **Last updated:** [November 10, 2026, 4:37pm UTC](https://forums.unrealengine.com/t/feedback-suggestions-for-unreal-engine-5-9/2853436 "2026-11-10T16:37:05Z")
Hello Unreal Engine Team! First of all, I want to appreciate your hard work. Unreal Engine 5.9 is amazing, and I can see that the engine is continuously improving with every release. However, I have noticed that UE 5.9… --- ## [Object pooling in Unreal Engine Blueprint: stop spawn and destroy](https://forums.unrealengine.com/t/object-pooling-in-unreal-engine-blueprint-stop-spawn-and-destroy/2847158)
**Author:** [@BWGGames](https://forums.unrealengine.com/u/BWGGames)\ **Replies:** 0\ **Last updated:** [October 30, 2026, 2:52pm UTC](https://forums.unrealengine.com/t/object-pooling-in-unreal-engine-blueprint-stop-spawn-and-destroy/2847158 "2026-10-30T14:52:46Z")
Spawning and destroying the same projectile or hit effect on every shot repeats work a pool can skip. A pool keeps released actors hidden and reuses them. Steps in Blueprint: Where you call Spawn Actor from Class for a… --- ## [Community Planet Creation: Research/Help](https://forums.unrealengine.com/t/community-planet-creation-research-help/136378)
**Author:** [@ATLAS8Mira](https://forums.unrealengine.com/u/ATLAS8Mira)\ **Replies:** 11\ **Last updated:** [October 23, 2026, 9:02pm UTC](https://forums.unrealengine.com/t/community-planet-creation-research-help/136378 "2026-10-23T21:02:48Z")
Hello, I’m here to ask how to create a planet. Not the casual “How do I do this.” more of a “Can you help me research how to do this?” Before I explain any further I must explain what I mean. I’ve done months of diggi… --- ## [How to use a single process to implement multiple headless clients for stress-testing a DS server](https://forums.unrealengine.com/t/how-to-use-a-single-process-to-implement-multiple-headless-clients-for-stress-testing-a-ds-server/2843374)
**Author:** [@Real.S](https://forums.unrealengine.com/u/Real.S)\ **Replies:** 0\ **Last updated:** [October 21, 2026, 4:50pm UTC](https://forums.unrealengine.com/t/how-to-use-a-single-process-to-implement-multiple-headless-clients-for-stress-testing-a-ds-server/2843374 "2026-10-21T16:50:15Z")
Hey everyone, If you have ever tried to load-test an Unreal dedicated server at realistic player counts, you probably hit the same wall: launching one real client process per simulated player quickly turns into a hardwa… --- ## [Predict Projectile Path - is there a way to have it incorporate Linear Damping?](https://forums.unrealengine.com/t/predict-projectile-path-is-there-a-way-to-have-it-incorporate-linear-damping/157798)
**Author:** [@Ponyo\_Wants\_Ham](https://forums.unrealengine.com/u/Ponyo_Wants_Ham)\ **Replies:** 5\ **Last updated:** [October 21, 2026, 3:55pm UTC](https://forums.unrealengine.com/t/predict-projectile-path-is-there-a-way-to-have-it-incorporate-linear-damping/157798 "2026-10-21T15:55:59Z")
I’m working on a golf game (blueprints only at the moment) and want to show the projected path of the ball before the player swings. Predict Projectile Path works beautifully for this… or it would, if only it could take … --- ## [PoolKit demo video: pooling actors, widgets, decals and meshes with a live debugger (UE 5.4-5.8)](https://forums.unrealengine.com/t/poolkit-demo-video-pooling-actors-widgets-decals-and-meshes-with-a-live-debugger-ue-5-4-5-8/2843366)
**Author:** [@BWGGames](https://forums.unrealengine.com/u/BWGGames)\ **Replies:** 0\ **Last updated:** [October 21, 2026, 3:50pm UTC](https://forums.unrealengine.com/t/poolkit-demo-video-pooling-actors-widgets-decals-and-meshes-with-a-live-debugger-ue-5-4-5-8/2843366 "2026-10-21T15:50:11Z")
The clip shows PoolKit running its built-in demo (PoolKit.Demo 90 all) in UE 5.6: pooled projectiles, widgets, decals and meshes, then the stats overlay, the Debugger tab, and the Auto-Tune review where rec… --- ## [UMG Text Effects: per-letter effects and a typewriter for UMG text (UE 5.4-5.8)](https://forums.unrealengine.com/t/umg-text-effects-per-letter-effects-and-a-typewriter-for-umg-text-ue-5-4-5-8/2843365)
**Author:** [@BWGGames](https://forums.unrealengine.com/u/BWGGames)\ **Replies:** 0\ **Last updated:** [October 21, 2026, 3:46pm UTC](https://forums.unrealengine.com/t/umg-text-effects-per-letter-effects-and-a-typewriter-for-umg-text-ue-5-4-5-8/2843365 "2026-10-21T15:46:39Z")
UMG Text Effects is a new plugin from our small studio, Barbed Wire Glove Games. It animates UMG text letter by letter, and you control it with short tags in the text: Hello \traveler\, the \d… --- ## [5.5 RHI Hitching](https://forums.unrealengine.com/t/5-5-rhi-hitching/2483840)
**Author:** [@tenpindan](https://forums.unrealengine.com/u/tenpindan)\ **Replies:** 8\ **Last updated:** [October 20, 2026, 8:12pm UTC](https://forums.unrealengine.com/t/5-5-rhi-hitching/2483840 "2026-10-20T20:12:14Z")
Hello, I’m getting many reports of camera snapping / large lag spikes in my public playtest. Managed to get a trace from a tester and seeing huge RHI stalls. This is only happening for a small portion of users. For oth… --- ## [Severe FPS / Performance Issues in Published UEFN Maps Since Update 42.10](https://forums.unrealengine.com/t/severe-fps-performance-issues-in-published-uefn-maps-since-update-42-10/2762983)
**Author:** [@TrainingMaps](https://forums.unrealengine.com/u/TrainingMaps)\ **Replies:** 3\ **Last updated:** [October 13, 2026, 2:00am UTC](https://forums.unrealengine.com/t/severe-fps-performance-issues-in-published-uefn-maps-since-update-42-10/2762983 "2026-10-13T02:00:20Z")
Summary Hello, Since the recent Fortnite/UEFN 42.10 update, we have been experiencing severe performance issues in two of our published maps. Affected Islands: ZB Training Island Code: 3852-7380-9907 Crosshair Pract… --- ## [\[Fab Release\]Keeping full logs in shipped games — BqLog for Unreal Engine ](https://forums.unrealengine.com/t/fab-release-keeping-full-logs-in-shipped-games-bqlog-for-unreal-engine/2834281)
**Author:** [@03b2e3e1569d40378f57d677f00415a5](https://forums.unrealengine.com/u/03b2e3e1569d40378f57d677f00415a5)\ **Replies:** 0\ **Last updated:** [September 25, 2026, 6:04pm UTC](https://forums.unrealengine.com/t/fab-release-keeping-full-logs-in-shipped-games-bqlog-for-unreal-engine/2834281 "2026-09-25T18:04:43Z")
The logs you need most are often the ones you turned off before shipping. A player reports a problem you cannot reproduce. You know something went wrong, but by the time the report reaches you, there is very little left… --- ## [Unreal Engine 5.8 — Next-Gen Performance, Stability & Mobile Optimization Initiative ](https://forums.unrealengine.com/t/unreal-engine-5-8-next-gen-performance-stability-mobile-optimization-initiative/2817807)
**Author:** [@SuddenShrimp7289](https://forums.unrealengine.com/u/SuddenShrimp7289)\ **Replies:** 0\ **Last updated:** [September 18, 2026, 5:42pm UTC](https://forums.unrealengine.com/t/unreal-engine-5-8-next-gen-performance-stability-mobile-optimization-initiative/2817807 "2026-09-18T17:42:47Z")
Title: Unreal Engine 5.8 — Next-Gen Performance, Stability & Mobile Optimization Initiative Hello Epic Games / Unreal Engine Team, I would like to share a concept for the continued improvement of Unreal Engine 5.8, foc… --- ## [Assets.digest.verse Has No Path Exclusion — File Becomes Unmanageable on Large Projects](https://forums.unrealengine.com/t/assets-digest-verse-has-no-path-exclusion-file-becomes-unmanageable-on-large-projects/2743628)
**Author:** [@MageYoshi](https://forums.unrealengine.com/u/MageYoshi)\ **Replies:** 3\ **Last updated:** [September 15, 2026, 6:30pm UTC](https://forums.unrealengine.com/t/assets-digest-verse-has-no-path-exclusion-file-becomes-unmanageable-on-large-projects/2743628 "2026-09-15T18:30:40Z")
Summary Assets.digest.verse is regenerated on every Verse compile and includes every asset in the project’s Content folder that qualifies for Asset Reflection — there is currently no way to exclude specific paths/folders… --- ## [\[UE5\] Compiling Shaders On Every Startup](https://forums.unrealengine.com/t/ue5-compiling-shaders-on-every-startup/520971)
**Author:** [@MattDeakin](https://forums.unrealengine.com/u/MattDeakin)\ **Replies:** 37\ **Last updated:** [September 4, 2026, 5:57pm UTC](https://forums.unrealengine.com/t/ue5-compiling-shaders-on-every-startup/520971 "2026-09-04T17:57:14Z")
Hey! I started learning UE5 last week just before the release the other day (I’ve since updated to the latest version). Since starting I’ve noticed it says “compiling shaders”. I tried to look into this more but most of … --- ## [Web browser super low fps](https://forums.unrealengine.com/t/web-browser-super-low-fps/467552)
**Author:** [@Squeaky-Bed](https://forums.unrealengine.com/u/Squeaky-Bed)\ **Replies:** 7\ **Last updated:** [August 27, 2026, 12:42pm UTC](https://forums.unrealengine.com/t/web-browser-super-low-fps/467552 "2026-08-27T12:42:14Z")
So I have been testing the web browser widget and I found out that no matter what I load into it, It’s running at an average of 15 fps when my game is running at a locked 30 fps. Even in an empty project, I get the same… --- ## [Bad performance in the horror sample project level](https://forums.unrealengine.com/t/bad-performance-in-the-horror-sample-project-level/2670890)
**Author:** [@jak6jak](https://forums.unrealengine.com/u/jak6jak)\ **Replies:** 3\ **Last updated:** [August 3, 2026, 2:57pm UTC](https://forums.unrealengine.com/t/bad-performance-in-the-horror-sample-project-level/2670890 "2026-08-03T14:57:50Z")
Hello, I decided to start a project using the horror sample project and right out of the bat I am getting really bad performance which I don’t think is intended. Based on what I can tell it is because of the default pos… --- ## [UE4.27 Stutters on the M5](https://forums.unrealengine.com/t/ue4-27-stutters-on-the-m5/2739534)
**Author:** [@arts.x](https://forums.unrealengine.com/u/arts.x)\ **Replies:** 2\ **Last updated:** [July 31, 2026, 7:04am UTC](https://forums.unrealengine.com/t/ue4-27-stutters-on-the-m5/2739534 "2026-07-31T07:04:15Z")
I got the Macbook pro M5 recently and I’ve been using Unreal Engine(Both UE4 & UE5) and I’ve never had any stuttering problems. When I first opened the engine it was stuttering but I managed to fix that by disabling a p… --- ## [Severe frame-pacing and garbage collection issues in UE5 titles on High-End hardware ](https://forums.unrealengine.com/t/severe-frame-pacing-and-garbage-collection-issues-in-ue5-titles-on-high-end-hardware/2722703)
**Author:** [@Niel4213](https://forums.unrealengine.com/u/Niel4213)\ **Replies:** 0\ **Last updated:** [May 17, 2026, 1:35pm UTC](https://forums.unrealengine.com/t/severe-frame-pacing-and-garbage-collection-issues-in-ue5-titles-on-high-end-hardware/2722703 "2026-05-17T13:35:56Z")
Dear Epic Games Engine Team, I am reaching out as a PC enthusiast and player to provide critical feedback regarding the current state of Unreal Engine 5’s performance, specifically concerning its asset-streaming and mem… --- ## [Profiling is tough. Performance Analyzer makes it easier.](https://forums.unrealengine.com/t/profiling-is-tough-performance-analyzer-makes-it-easier/2719783)
**Author:** [@UsefulCode](https://forums.unrealengine.com/u/UsefulCode)\ **Replies:** 0\ **Last updated:** [May 4, 2026, 5:56am UTC](https://forums.unrealengine.com/t/profiling-is-tough-performance-analyzer-makes-it-easier/2719783 "2026-05-04T05:56:44Z")
Documentation Discord Performance Analyzer is an Unreal Engine editor plugin that turns CSV profiler captures into clear, actionable HTML performance reports. Instead of digging through raw CSV files and … --- ## [Roads in UE4 without Landscape splines](https://forums.unrealengine.com/t/roads-in-ue4-without-landscape-splines/483717)
**Author:** [@FiendCorp](https://forums.unrealengine.com/u/FiendCorp)\ **Replies:** 3\ **Last updated:** [April 30, 2026, 5:03pm UTC](https://forums.unrealengine.com/t/roads-in-ue4-without-landscape-splines/483717 "2026-04-30T17:03:54Z")
The question really is in the topic. I’m curious if there is a more optimized way of creating roads in UE4? Right now I am creating roads using landscape splines however, over time, my performance in the editor has decl… --- ## [The Remove On Sleep option in Geometry Collections does not help prevent frame rate drops.](https://forums.unrealengine.com/t/the-remove-on-sleep-option-in-geometry-collections-does-not-help-prevent-frame-rate-drops/2717395)
**Author:** [@FairboyMarx](https://forums.unrealengine.com/u/FairboyMarx)\ **Replies:** 0\ **Last updated:** [April 23, 2026, 8:51am UTC](https://forums.unrealengine.com/t/the-remove-on-sleep-option-in-geometry-collections-does-not-help-prevent-frame-rate-drops/2717395 "2026-04-23T08:51:28Z")
As the title says.My guess is that the Remove On Sleep option removes debris as quickly as possible to restore the frame rate. However, in reality, the frame rate continues to drop even though most of the debris has cle… --- ## [\[UE 5.7.4\] StateTree Dominance: Tick-Optimized AI Architecture for High-Resolution PVE](https://forums.unrealengine.com/t/ue-5-7-4-statetree-dominance-tick-optimized-ai-architecture-for-high-resolution-pve/2716198)
**Author:** [@SheychX](https://forums.unrealengine.com/u/SheychX)\ **Replies:** 0\ **Last updated:** [April 17, 2026, 4:07pm UTC](https://forums.unrealengine.com/t/ue-5-7-4-statetree-dominance-tick-optimized-ai-architecture-for-high-resolution-pve/2716198 "2026-04-17T16:07:38Z")
In the development of The Last Signal (TLS), a high-resolution third-person shooter, we faced the standard architectural challenge: scaling high-density PVE waves without sacrificing CPU cycles. Many “Indie” projects suf… --- ## [10-25m launch time, first time after each boot](https://forums.unrealengine.com/t/10-25m-launch-time-first-time-after-each-boot/2696606)
**Author:** [@ilozen](https://forums.unrealengine.com/u/ilozen)\ **Replies:** 3\ **Last updated:** [April 7, 2026, 11:16am UTC](https://forums.unrealengine.com/t/10-25m-launch-time-first-time-after-each-boot/2696606 "2026-04-07T11:16:21Z")
Every first time I launch the editor I get an insanely long load time, like 10-25 minutes. After that, each next launch is super fast 30-90s. The parts that take a lot of time are: initial splash screen - after the l… --- ## [Why does a Scene Capture Component Cube in a Construction Script Decimate Perf?](https://forums.unrealengine.com/t/why-does-a-scene-capture-component-cube-in-a-construction-script-decimate-perf/2710186)
**Author:** [@Zoey\_222](https://forums.unrealengine.com/u/Zoey_222)\ **Replies:** 1\ **Last updated:** [March 31, 2026, 12:17am UTC](https://forums.unrealengine.com/t/why-does-a-scene-capture-component-cube-in-a-construction-script-decimate-perf/2710186 "2026-03-31T00:17:19Z")
This setup utterly destroys perf in Unreal 5.5-5.7. It works just fine in 5.4. Why? --- ## [Scenegraph Entity with Verse Component Performance Issues](https://forums.unrealengine.com/t/scenegraph-entity-with-verse-component-performance-issues/2691650)
**Author:** [@MatthewPalaje](https://forums.unrealengine.com/u/MatthewPalaje)\ **Replies:** 5\ **Last updated:** [March 10, 2026, 6:01pm UTC](https://forums.unrealengine.com/t/scenegraph-entity-with-verse-component-performance-issues/2691650 "2026-03-10T18:01:15Z")
Summary Scenegraph Entities with Verse Components cause performance issues and can randomly freeze the game. Please select what you are reporting on: Unreal Editor for Fortnite What Type of Bug are you experiencing? St… --- ## [Networking insights guide](https://forums.unrealengine.com/t/networking-insights-guide/465023)
**Author:** [@WeezY](https://forums.unrealengine.com/u/WeezY)\ **Replies:** 5\ **Last updated:** [February 24, 2026, 12:00am UTC](https://forums.unrealengine.com/t/networking-insights-guide/465023 "2026-02-24T00:00:00Z")
Hi How to make networking insights work. I can make unreal insights work, but just can’t get the networking insights tab. My basic guide to unreal insights.: have tried -NetTrace=\[1\] -trace=net from this guide.: … --- ## [Game Optimization - What is making WaitForTask so long](https://forums.unrealengine.com/t/game-optimization-what-is-making-waitfortask-so-long/687237)
**Author:** [@KNACKYCHAN](https://forums.unrealengine.com/u/KNACKYCHAN)\ **Replies:** 5\ **Last updated:** [February 8, 2026, 12:01am UTC](https://forums.unrealengine.com/t/game-optimization-what-is-making-waitfortask-so-long/687237 "2026-02-08T00:01:30Z")
Hello, Simple case : i already made a lot of optimization process like texture, streaming, LOD, disable tick etc, i came from 15fps to 100fps The thing is when i load 100+ actors, my fps are just reduced because, accor… --- ## [Playing: PIE/Viewport Framerate extremly low as opposed to Standalone/packaged](https://forums.unrealengine.com/t/playing-pie-viewport-framerate-extremly-low-as-opposed-to-standalone-packaged/2318587)
**Author:** [@BDC\_Patrick](https://forums.unrealengine.com/u/BDC_Patrick)\ **Replies:** 12\ **Last updated:** [February 7, 2026, 2:34pm UTC](https://forums.unrealengine.com/t/playing-pie-viewport-framerate-extremly-low-as-opposed-to-standalone-packaged/2318587 "2026-02-07T14:34:02Z")
Hi there… Since I reinstalled my Engine 4 Weeks ago, I got a problem when playing my project in new PIE Window, or even inside the Editor Viewport. This problem DOES NOT occur in standalone and packaged game. While pl… --- ## [Terrible performance when multiple windows open on RTX 5080](https://forums.unrealengine.com/t/terrible-performance-when-multiple-windows-open-on-rtx-5080/2695770)
**Author:** [@Dannyboy730](https://forums.unrealengine.com/u/Dannyboy730)\ **Replies:** 2\ **Last updated:** [January 30, 2026, 4:30pm UTC](https://forums.unrealengine.com/t/terrible-performance-when-multiple-windows-open-on-rtx-5080/2695770 "2026-01-30T16:30:20Z")
Hello, I’m currently running into a strange problem. After upgrading to an RTX 5080, whenever I have separated windows within the editor the performance tanks and I’m not getting more than 25-30 fps. So playing in a new … --- ## [Optional Performance Mode for Next-Gen Consoles](https://forums.unrealengine.com/t/optional-performance-mode-for-next-gen-consoles/2686770)
**Author:** [@Captain\_Krawz](https://forums.unrealengine.com/u/Captain_Krawz)\ **Replies:** 1\ **Last updated:** [January 27, 2026, 3:55pm UTC](https://forums.unrealengine.com/t/optional-performance-mode-for-next-gen-consoles/2686770 "2026-01-27T15:55:35Z")
An optional performance mode for PS5 and Xbox Series X|S could reduce visual effects, textures, and build detail to allow higher FPS targets on supported monitors. This would improve competitive fairness with PC while re… [Next page](https://forums.unrealengine.com/tag/performance/34.md?match_all_tags=true&page=1&tags%5B%5D=Performance)