Unreal Engine Issues
Unreal Engine Issues
Anisotropy renders differently in each eye in VR
UE - Platform - XR - Jan 10, 2023Regression: Tested in Release-5.0, this issue occurs so it is not a regression. This issue was first reported using the Automotive Materials assets, as the Anisotropy material on MI_Metal_Brushed w ...
r.AllowOcclussionQueries causing "huge RenderQuery Result" wait time in VR
UE - Graphics Features - Dec 3, 2019Running r.AllowOcclusionQueries 0 command seems to set bWait = true, causing large wait times Tested: 4.22.3 CL#7053642 , 4.24P4 CL#10387632 , 4.25 CL#10479005 Link to the users video, which ...
[CrashReport] <unknown module>!UE4Editor_Core!FDebug::AssertFailed()
UE - Foundation - Core - Mar 28, 2016Error message: Assertion failed: (Index >= 0) & (Index < ArrayNum) [Link Removed] [Line: 678] Array index out of bounds: 0 from an array of size 0 Source Context: 80 } 81 else ...
Cannot specify custom window positions in "windowed mode" for packaged games
Tools - Nov 30, 2017There is an issue where you cannot specify a specific location for a windowed packaged game when using a command line to open the project, the project will move to that position for a brief moment b ...
MoviePipeline: Incorrect Caching of Min/Max World Delta Time
UE - Anim - Sequencer - MRQ - Jan 31, 2023To test this issue: Create a C++ class WolrdTimeDilationDebugActor.h in your Project with the following code:// Copyright Epic Games, Inc. All Rights Reserved. #pragma once #include "CoreMinim ...
Buoyancy is broken in UE5: even BP with Cube SM component (mass is 1kg) and default Buoyancy Component with one default Pontoon falls on bottom of lake
UE - Simulation - Visual - Jul 26, 2021Shorter steps:Steps 1-8 from Steps to reproduce (create level with water body)Find BP_BuoyancyExample in Content Browser (Engine>Plugins>Water Content>Blueprints)Place BP_BuoyancyExample above the w ...
The DemoRec console command crashes the editor if used during PIE
UE - Networking - Aug 5, 2015The DemoRec console command crashes the editor if used during PIE. Reproduced in 4.9 Preview 2 binary and 4.9 Releases (//depot/UE4-Releases/4.9/Promotable-CL-2643093). Does NOT occur in 4.8.3 bina ...
[CrashReport] UE4Editor_Engine!FTexturePlatformData::GetNumNonStreamingMips() [texturederiveddata.cpp:1260]
UE - Graphics Features - Apr 10, 2017Was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below. Error message: Assertion failed: Mips.Num() > 0 [Link Remov ...
Crash when setting a module input to read from a new user parameter
UE - Niagara - Jun 2, 2020Crash when setting a module input to read from a new user parameter Crash does not occur when drag/dropping a User Parameter from the Parameters panel into the input, or when selecting a preexistin ...
Corrupted Japanese text when packaging for Android
UE - Platform - Mobile - Apr 17, 2020Garbled text is displayed when creating Android package. It did not occur in my colleague's environment using English OS, but occurred in my environment using Japanese OS. This issue should be fixed ...