Unreal Engine Issues
Unreal Engine Issues
PDI-DrawPoint - Zoomfactor being calculated incorrectly
UE - Graphics Features - Feb 20, 2017A licensee has reported that the ZoomFactor variable inside of the DrawPoint function is being calculated incorrectly. It currently is calculated using the lesser of the projection matrix's horizont ...
LIVE: RENDERING: Movable Mesh does not receive shadows from Static meshes in static or stationary lighting
UE - Graphics Features - Apr 30, 2014---------------------------------------------------------------------------------------------------------------------- Build: 4.1.0-2057451 Description: Movable meshes and blueprints set to cast n ...
Look at Android GetTimeStamp local file handling
UE - Platform - Mobile - May 29, 2020Only files in UFS or NonUFS manifest that are local are returning a non-minvalue timestamp. While this is expected it is causing issues with logging file handling. See: https://udn.unrealengine.co ...
Possible bug with GAOGlobalDistanceFieldCacheMostlyStaticSeparately
UE - Graphics Features - Jun 2, 2025The Global Distance Field can constantly update, even when the camera is stationary, in large World Partition maps. This bug requires a large amount of the World Partition map to be loaded to reprod ...
Crash reimporting a skeletal mesh with less Material IDs than on first import
NOTE: Does not occur in 4.16, entered this to find a fix for licensee to integrate. Error message: Assertion failed: (Index >= 0) & (Index < ArrayNum) [Link Removed] [Line: 633] Array index out o ...
[CrashReport] USpeedTreeImportFactory::FactoryCreateBinary()
UE - Editor - Content Pipeline - Import and Export - Sep 19, 2017This is a common and longstanding SpeedTree import crash that has occurred since at least 4.14 for over 100 users. This seems to be the same issue as a previous Jira from 4.10 which was closed wit ...
NavLink Proxy CHILD ACTOR stops working in a Packaged and Standalone game
UE - AI - Oct 5, 2017NavLink Proxy CHILD ACTOR stops working in a Packaged and Standalone game. Works as expected in PIE. Licensee Description: Force Rebuild on Load is not called and the nav links as child actors do ...
Unable to build marketplace code plug-in
UE - Foundation - Cpp Tools - UnrealBuildTool - May 17, 2022Fix for [Link Removed] sets the RuleAssembly in the Marketplace plugin to ReadOnly. This has prevented the plugin binaries from being compiled. Change the readonly flag as shown in the following co ...
[CrashReport] UE4Editor_Engine!FShaderCompilingManager::LaunchWorker() [shadercompiler.cpp:1573]
UE - Graphics Features - Aug 21, 2017This is a common and longstanding crash that has occurred since at least 4.9. The issue appears to be due to missing ShaderCompileWorker.exe in binaries, but many of these crashes occur in the vani ...
[CrashReport] Access Violation - UModelComponent::GetPhysicsTriMeshData() [modelcomponent.cpp:673]
UE - Simulation - Physics - Oct 2, 2017This is a trending crash coming out of the 4.18 Previews. Users have not provided any descriptions of their actions when the crash occurred. The callstack is similar to [Link Removed], which was ju ...