Epic Developer Community Forums

Topic	Replies	Views	Activity
My character not moving anymore (in automated test) since upgrading to 5.7 Programming & Scripting question , CPP , unreal-engine , testing	12	234	February 20, 2026
How Best to Diagnose Sporadic PSO/Shader Compilation Crashes Rendering question , unreal-engine , Epic-Pro-Support	9	238	September 8, 2025
Adding Acceleration and Deceleration to rotation speed Blueprint Blueprint , question , unreal-engine	10	240	May 24, 2025
Editor says updating needed even though I just did update. Issues and Bug Reporting open , fortnite , unreal-editor-for-fortnite , fortnite-creative	9	247	December 5, 2025
UE5.5.4でInstalledBuildを作成すると、SwarmCoordinatorのコンパイルに失敗する件の修正方法について日本語 (Japanese) question , unreal-engine , Epic-Pro-Support	13	204	September 2, 2025
World Partition mini map generation failed World Creation question , unreal-engine , Epic-Pro-Support	16	185	October 20, 2025
移动端启用vulkan的pso缓存后会触发crash 简体中文 (Simplified Chinese) question , unreal-engine , Epic-Pro-Support	9	261	June 6, 2025
Scan Line Menu transitions. UI question , unreal-engine	9	247	May 14, 2025
Why are there these reflections? I have a GTX 1080 Ti and I'm using Lumen. Rendering question , twinmotion	10	238	November 21, 2025
[Possible Bug] New Verse Fields binding seems not be working for 'Message' type fields Verse question , editor , bug-report , fortnite , unreal-editor-for-fortnite , fortnite-creative	12	215	November 30, 2025
Blending animations for a clickable cockpit Programming & Scripting Blueprint , question , CPP , unreal-engine	12	216	May 20, 2025
I deleted by accident the "Saved" folder in my project and i can need some help pls Programming & Scripting unreal-engine	11	217	June 9, 2025
Verse hot reload failed Issues and Bug Reporting open , fortnite , unreal-editor-for-fortnite , fortnite-creative	9	309	January 12, 2026
Interchange Framework - Missing References on Animation Import with Python Pipelines Character & Animation question , unreal-engine , Epic-Pro-Support	14	194	July 15, 2025
Blocked From Launching a Session Issues and Bug Reporting fortnite , unreal-editor-for-fortnite , fortnite-creative , fixed	19	173	March 26, 2026
Compiler crashes while compiling engine Pipeline & Plugins question , unreal-engine , Epic-Pro-Support	9	234	May 9, 2025
Button not working Issues and Bug Reporting fortnite , unreal-editor-for-fortnite , fortnite-creative	9	275	March 8, 2026
How to add new material texture to paint on my landscape World Creation question , unreal-engine , fab	10	241	November 18, 2025
Does anyone else not get code when asking the Epic Developer Assistant to generate code? Issues and Bug Reporting open , fortnite , unreal-editor-for-fortnite	11	255	March 13, 2026
Character Turning Pivot Issues - how to fix? Character & Animation question , unreal-engine	14	205	July 21, 2025
Widget component in a different BP Blueprint Blueprint , question , editor , unreal-engine	10	82	May 14, 2025
Laggy/Jittery projectile movement Blueprint unreal-engine	10	241	November 4, 2025
Lumen shadow not appearing around object Rendering question , unreal-engine	10	265	August 26, 2025
UI From BR Issues and Bug Reporting fortnite , unreal-editor-for-fortnite , fortnite-creative , fixed	14	239	January 13, 2026
[Critical] Verse SpatialMath methods cause ErrRuntime_InfiniteLoop and crash servers Issues and Bug Reporting fortnite , unreal-editor-for-fortnite , fortnite-creative , closed	9	308	December 31, 2025
Painting the landscape does not work because layers are not displayed Issues and Bug Reporting fortnite , unreal-editor-for-fortnite	9	247	December 16, 2025
Why are no agents added to the Manager? AI Blueprint , question , unreal-engine , Machine-Learning	13	211	October 23, 2025
部分安卓设备使用Vulkan FragmentDensityMap崩溃简体中文 (Simplified Chinese) question , unreal-engine , Epic-Pro-Support	13	202	July 31, 2025
Laggy editor Programming & Scripting question , editor , unreal-engine	11	222	November 1, 2025
How to make a teleporting AI? Blueprint question , unreal-engine	11	231	July 28, 2025
UAT - Issue when it runs causing it not to build / run correctly. Pipeline & Plugins question , unreal-engine , Epic-Pro-Support	15	179	August 14, 2025
Am I the only one who has a hard time with Blueprints but easier time with C++? Blueprint question , unreal-engine	16	116	February 17, 2026
How to identify the cause of significant difference in Physics memory usage among Levels Platform & Builds question , unreal-engine , Epic-Pro-Support	13	207	September 18, 2025
[Critical] Sanction for using the official new transactions tutorial Issues and Bug Reporting fortnite , unreal-editor-for-fortnite , fortnite-creative , closed	10	246	December 1, 2025
Mover NPP "Stuck" in Desync/Rollback Multiplayer & Networking question , unreal-engine , Epic-Pro-Support	12	209	September 23, 2025
"Top Bounce" for Pinball Bumper Device broken since update Issues and Bug Reporting fortnite , unreal-editor-for-fortnite , fortnite-creative , fixed	15	246	March 9, 2026
Unable to save cook snapshot Programming & Scripting question , unreal-engine , Epic-Pro-Support	10	234	May 28, 2025
"Error: Assertion failed: !Object->HasAnyFlags(RF_NeedLoad \| RF_NeedInitialization)" when running ResavePackages commandlet Pipeline & Plugins question , unreal-engine , Epic-Pro-Support	11	206	October 2, 2025
Upload Speeds in UEFN Session Launch Are Significantly Lower Than Available Bandwidth Issues and Bug Reporting open , fortnite , unreal-editor-for-fortnite , fortnite-creative , UEFN	12	245	April 2, 2026
Saving weapons between levels Blueprint question , unreal-engine	12	231	October 29, 2025
How to Get rid of the "Unreal Look"? Rendering question , unreal-engine	14	235	March 22, 2026
Inverse third person character movement. Blueprint Blueprint , question , unreal-engine	16	179	August 28, 2025
Can't build verse code from VSCode since v38.00 Issues and Bug Reporting open , fortnite , unreal-editor-for-fortnite , fortnite-creative	11	218	November 14, 2025
How to turn ChaosCloth on and off. Asset Creation question , unreal-engine , Epic-Pro-Support	12	199	June 19, 2025
Very slow PIE starts with UE 5.5 Programming & Scripting question , unreal-engine , Epic-Pro-Support	9	228	August 8, 2025
Is "Delay Until Next Tick" reliable to make sure all actors have loaded? Blueprint question , unreal-engine	9	359	June 8, 2025
Build lighting data missing after setting level invisible and then visible again in a packaged build Rendering question , unreal-engine , Epic-Pro-Support	11	242	June 27, 2025
Lightning issue for Xbox players only Issues and Bug Reporting bug-report , fortnite , unreal-editor-for-fortnite , fortnite-creative , closed	12	202	November 20, 2025
Packaging a project from the command line causes the executable to crash. Pipeline & Plugins question , unreal-engine , Epic-Pro-Support	12	197	April 22, 2025
Wildlife spawners no longer have aggression Issues and Bug Reporting bug-report , open , fortnite , unreal-editor-for-fortnite , fortnite-creative	22	252	April 2, 2026