Unreal Engine Issues
Unreal Engine Issues
Memory leak in global distance field when bDisableWorldRendering=true
UE - Graphics Features - Jan 7, 2025A memory leak occurs in global distance fields when bDisableWorldRendering=true As a workaround until this is fixed, you can disable the logic that checks bUpdatedThisFrame *in *GlobalDistanceField ...
Crash when compiling Blueprint class based off C++ actor with a Niagara component that has a user color curve
UE - Niagara - Mar 6, 2020When creating a blueprint class based on a C++ actor with a Niagara component, color curves will cause the editor to crash when compiling the blueprint. This will impact users creating their own cla ...
M_Cave_Ground_Mud has an error which keeps floor in Particle Effects Sample from Rendering
Docs - Samples - Sep 29, 2015Something must have changed with how LERP's or Vector Transforms deal with a float 0 value, which breaks this particular material Error:[Image Removed] Fix:[Image Removed] ...
FPS when adding instanced static meshes in a random order is significantly lower than adding them in order by X,Y,Z location
UE - Simulation - Physics - Apr 5, 2017Adding instanced static meshes in a random order by location gives 25% of normal frame rate, compared to adding them in order by X,Y,Z location. ...
Plugin Type breaks XCode syntax hightlighting
UE - Platform - Apple - May 16, 2017Setting a plugin module's type to "Editor" causes syntax highlighting in XCode to break for .cpp files in that module. Setting the type back to Runtime fixes the behavior ...
[CrashReport] UE4Editor_PropertyEditor!FDetailCategoryImpl::GetParentLayout() [detailcategorybuilderimpl.h:166]
Tools - Aug 22, 2017This is an intermittent crash occurring in the 4.17 release. Users have not provided any descriptions of their actions when the crash occurred. The callstack is similar to [Link Removed], fixed i ...
SSGI AO not visible in Lit Viewmode
UE - Graphics Features - Dec 16, 2019No screen space AO in lit viewmode with SSGI Confirmed in 4.25 MAIN @ CL 10730208 (but you must move camera after activiating SSGI for scene to update) ...
DistanceFieldBentNormalAO does not appear to work with imposter UVs
UE - Graphics Features - Aug 26, 2021I have not entirely ruled out any issues with the imposter material in the repro, there's a chance this is related to the normal rotations, but turning off distancefields entirely does fix the issue ...
Incorrect mesh offset behavior when playing a forward start after following "Adapting Lyra animation to your UE5 game"
UE - Anim - Gameplay - Oct 13, 2022See the answer in the UDN: [Link Removed] We may want to update the blog post with a suggested fix, or wait until the automatic root offset tech is production ready. ...
GPU particles disabled on Quest
UE - Niagara - Feb 9, 2024GPU particles were disabled on Quest 1 due to a compute issue. We need to validate / fix issues for Quest 2 / Quest 3. Reported in [Link Removed] ...