Epic Developer Community Forums

Topic	Replies	Views	Activity
Unreal Engine 5.6.1 During the initial build of the engine,UbaSessionServer.cpp(218,22): Error C2509: 'CreateFileW': Member function not declared in 'uba:SessionServer'. Platform & Builds question , CPP , unreal-engine	2	404	August 24, 2025
FPS Drop on Movement Input (5.4.4) Getting Started & Setup unreal-engine	5	253	September 8, 2025
C++ QuickStart on a Mac and 5.7 Tutorial & Course Discussions question , unreal-engine	8	203	November 21, 2025
An "Accessed None" error during Simulate Level only Blueprint question , unreal-engine	3	59	February 22, 2026
New to Linux, having a rough time getting UE5 editor online Getting Started & Setup Linux , question , unreal-engine	0	108	February 3, 2026
Taking a closer look at Shape Collision Traces Programming & Scripting unreal-engine	0	124	July 22, 2025
Adding force and torque in local space Programming & Scripting question , unreal-engine	4	153	July 1, 2025
EOS Plus deprecated and steam Multiplayer & Networking question , unreal-engine , Epic-Pro-Support	1	524	August 27, 2025
Epic Games Launcher can't download Getting Started & Setup question , unreal-engine	1	420	July 31, 2025
Optimizing a UE5 Horror Game for Low-End PCs While Using Nanite and Lumen Programming & Scripting Nanite , question , Rendering , Optimization , unreal-engine	3	304	February 7, 2026
Can I build a full game only with Blueprints, or do I need C++? Blueprint Blueprint , question , unreal-engine	2	341	September 22, 2025
Is it possible to manually set Niagara ribbon renderer points? Rendering question , unreal-engine , Epic-Pro-Support	4	269	August 8, 2025
Many problems with the navmesh and how the NPC reacts to it Issues and Bug Reporting unreal-engine , open , fortnite-creative	6	271	January 30, 2026
Silent login using Exchange Code Access Token through built-in browser Multiplayer & Networking question , unreal-engine , Epic-Pro-Support	5	243	July 24, 2025
Mesh to MetaHuman Feedback in UE5-main / Early UE 5.8 for Stylized Characters Feedback & Requests unreal-engine , metahuman	1	439	March 31, 2026
Cinematic Character-Aviatrix Showcase unreal-engine	3	100	April 29, 2026
Problems spawning sounds attatched to a component. Programming & Scripting question , unreal-engine	4	295	January 2, 2026
[SOLVED]! UEFN Validation Error: Fab Referenced Content (CGMA Studio Offices) Fails Module Validation Despite Being Purchased and UEFN-Compatible Issues and Bug Reporting bug , fab , UEFN , closed	5	270	January 13, 2026
How would we completely disable garbage collection on out dedicated servers Platform & Builds question , unreal-engine , Epic-Pro-Support	4	293	June 17, 2025
Converting Hex String to FLinearColor Community & Industry Discussion question , unreal-engine	1	452	August 29, 2025
Is using Child Actor Component deprecated? Blueprint question , Components , unreal-engine , actor-component , child-actors	2	111	February 25, 2026
Lighting for a low end pc / mobile game? Rendering question , unreal-engine	2	123	October 19, 2025
Feature Request: Press "P" for Quick print node Blueprint Blueprint , unreal-engine	1	76	August 23, 2025
Clients are disconnecting during Server Travel Multiplayer & Networking Blueprint , question , Steam , online , unreal-engine , onlinesubsystem , servertravel , online-subsystem	3	312	January 18, 2026
update currently distributed Engine versions to address CVE-2025-55247 effecting [5.4],[5.5],[5.6] C++ FeatureRequest , unreal-engine	0	624	November 6, 2025
How to stop Chaos Vehicle from tipping on turns? (UE 5.6) Programming & Scripting Blueprint , question , unreal-engine , vehicle	3	433	September 10, 2025
Mutable (Customizable Object) broken in 5.6? Character & Animation question , unreal-engine	3	332	August 5, 2025
Why today's (Tuesday September 23 ) Limited Time ASSETS are NOT Free? FAB indicates promotion ends on October 7... Programming & Scripting unreal-engine	1	41	September 23, 2025
VS 2022 Enterprise/Pro Build failure UE5.6 : Exited with error code -1 . The build will fail. Any advice? Getting Started & Setup question , CPP , Visual-Studio , build , unreal-engine	1	435	August 25, 2025
Can someone tell me about Substrates performance? Debugging, Optimization, & Profiling question , unreal-engine , Substrate	3	167	December 3, 2025
Gameplay Ability System - Prediction on simulated proxy Programming & Scripting question , unreal-engine , Epic-Pro-Support	5	141	January 9, 2026
SmoothSync causes desync between character and rotating platform (works fine with Replicated Movement) Multiplayer & Networking question , Multiplayer , Networking , unreal-engine	0	111	November 6, 2025
My Raw Input Plugin is not working Plugins question , bug-report , unreal-engine	2	196	April 17, 2026
MetaHuman xADA for Custom Audio Streams [ Guidance Needed ] Character & Animation metahuman	2	222	February 22, 2026
Unreal Editor not opening on my MacBook Pro ); Getting Started & Setup unreal-engine , Macbook-Pro	2	193	June 18, 2025
Enemies can't move until manually pushed AI question , unreal-engine	8	218	October 30, 2025
UE 编辑器控件Print不在屏幕中显示简体中文 (Simplified Chinese) Blueprint , question , editor , unreal-engine	5	258	January 2, 2026
Getting LogValkyrie error Issues and Bug Reporting question , crash , bug-report , fortnite , unreal-editor-for-fortnite , fortnite-creative , fixed	6	274	March 7, 2026
Hiring a Game Level Designer Job Offerings unreal-engine	5	300	September 7, 2025
Clients unable to look around Programming & Scripting question , unreal-engine	5	256	June 28, 2025
How to correctly configure the path of UDeveloperSettings and ensure data is written to disk? Programming & Scripting question , editor , unreal-engine	2	357	November 25, 2025
Building Unreal from source keeps failing due to UBA Programming & Scripting question , unreal-engine	2	371	July 29, 2025
VOIPTalker UE5.5 settup Blueprint Blueprint , question , editor , bug , voice , unreal-engine , voice-chat	2	381	July 25, 2025
UE5 Startup Logo UI question , unreal-engine	3	299	July 13, 2025
3D Configuration - Rain Forest (PCG Environment) Product Discussion fab	1	431	March 16, 2026
Steam Subsystem UE 5.7.1 Programming & Scripting question , unreal-engine	2	364	January 27, 2026
Unreal Engine 5 Best Practices: The ultimate guide to advanced visual storytelling, design, lighting, and performance in UE5 Tutorial & Course Discussions Blueprint , Lighting , Level-Design , Rendering , Optimization , unreal-engine , metahuman , fortnite , unreal-editor-for-fortnite	0	597	January 4, 2026
UE5.2 Enhanced Input Action "user settings" not available in project setting Programming & Scripting question , unreal-engine	5	151	November 18, 2025
UE5.6でのビューポートのTopビューの軸の向きを変更したい日本語 (Japanese) question , unreal-engine , Epic-Pro-Support	4	291	August 21, 2025
Building Windows Projects In A Container Pipeline & Plugins question , unreal-engine , Epic-Pro-Support	4	298	July 25, 2025