Unreal Engine Issues
Unreal Engine Issues
[CrashReport] UE4Editor_Landscape!FLandscapeComponentSceneProxy::CalculateLODFromScreenSize() [landscaperender.cpp:1522]
UE - LD & Modeling - Terrain - Landscape - Mar 27, 2018No user comments in crash group 1511 if (PreferedLOD >= 0.0f) 1512 { 1513 PreferedLOD = FMath::Clamp<int32>(PreferedLOD, FMath::Max((float)FirstLOD, MinValidLOD), FMath::Mi ...
Wrong normal map compression settings when importing USD file
UE - Editor - Open File Formats - USD - Apr 22, 2022Customer Comments: this is just a workflow issue where you need to set the compression settings to normal or tick the sRGB checkbox to fix the shading issue Regression testing done in //UE4/Rele ...
Network Emulation outgoing dropped packets on client higher than expected
UE - Networking - Oct 14, 2022Under certain network emulation settings, it looks like outgoing packets from the client will be dropped in groups (around 4 or more packets at a time) rather than individually. This leads to the ac ...
[Interchange] Crash on asset re-import
UE - Editor - Open File Formats - Import and Export - Feb 7, 2025We've started seeing a crash in editor when re-importing one of our assets. <pre class="ql-syntax">Assertion failed: (Index >= 0) & (Index < ArrayNum) [Link Removed] [Line: 783] Array index out of ...
Deleting the first instanced subobject entry from a Blueprint map or set variable's default value can result in an editor crash.
UE - Framework - Blueprint Compiler - Sep 27, 2021Deleting the first instanced subobject entry from a default value for a map or set variable can result in accessing an incorrect subobject for the element's value during reinstancing, which can then ...
Manually importing LODs are rotated 90 degrees when using Transform Vertex to Absolute
Tools - May 26, 2016When importing a Static Mesh if you use the default settings and then manually import any LODs for that static mesh they will be rotated by 90 degrees. I found that disabling Transform Vertex to A ...
Decals spawn differently than 4.10.4 with their rotation based on hit normal
UE - Graphics Features - Apr 5, 2016Decals are not spawning correctly when spawning based on a rotation value from the hit normal. There is a difference in how this is handled from 4.10.4 to 4.11 and even 4.12. See attached image fo ...
Allow Window Resize has no effect on Linux
UE - Platform - Linux - Jun 8, 2017Checking the option for Allow Window Resize in Project Settings allows a the borders of a standalone window to be grabbed and used to resize the window. This does not behave the same on Linux and t ...
QAGame projectile collisions are not working
UE - Simulation - Physics - Jul 3, 2017I was not able to repro this with template projects in //UE4/Release-4.17. I was not able to repro the lack of collision to the same static mesh I shot at if I tried to run into it. That is why I me ...
UMG Animations on existing widgets break when loading new level
UE - Editor - UI Systems - Jan 14, 2021Marking as a regression as this does not occur in 4.25.4 User description: I want to have UMG UI that persists for the lifetime of the game so I create my root widget and add it to the viewport fr ...