Unreal Engine Issues
Unreal Engine Issues
Enabling Fixed Frame Rate doesn't Lock the Frame Rate
UE - Rendering Architecture - RHI - Nov 19, 2019When a project is set to use a fixed frame rate via the Project Settings it is uncapped when played in editor. Found in 4.24 Preview 2 CL#10091930 Reproduced in 4.25 Main CL#10298106 ...
LivePP won't react with CTRL+ALT+F11 when debugger is break
UE - Foundation - Cpp Tools - Live Coding - Aug 21, 2019Before we were able to request CTRL+ALT+F11 while debugger is paused, then resuming the debugger (F5), LivePP was kicking, rebuilding before really unpausing the debugger. Now, if I want LivePP to ...
Template function TSparseArray::PointerToIndex does not compile
UE - Foundation - Core - May 26, 2020Error: C:\Program Files\Epic Games\UE_4.25\Engine\Source\Runtime\Core\Public\Containers/SparseArray.h(778): error C2440: '-': cannot convert from 'const TSparseArrayElementOrFreeListLink<TAlignedBy ...
SingleLayerWater with PixelDepthOffset gives wrong refraction
UE - LD & Modeling - Terrain - Water - Oct 29, 2020We can see refraction gets distorted after we have a bigger PDO value, and it's not because the depth is more shallow, but looks like some kind of scene color texture lookup error. Also, not sure i ...
Grass does not show up when I override the Material of LandscapeComponent.
UE - Graphics Tools - Terrain - Landscape - Sep 8, 2021Regression checked in //UE4/Release-4.26.2 CL 15973114 the issue is not reproduced thee ...
MoviePipeline: Can't inherit from UMoviePipelineSetting in BP due to PURE_VIRTUAL
UE - Anim - Sequencer - Oct 28, 2021IsValidOnMaster/IsValidOnShot need to be BlueprintNativeEvents with a default C++ implementation and allow derived classes to override the function. This is needed so that you can create custom set ...
Foliage HLODs don't respect "Disallow Nanite"
UE - World Creation - Worldbuilding Tools - HLOD - Jan 15, 2025We have a level with foliage meshes that has been placed via the foliage system. We want to place these into HLOD Layers so that we can disable nanite, and thus enabling the imposter LODs at a dista ...
Trigger Volume Blocks First-Person Template Projectile
UE - Simulation - Physics - Nov 2, 2015When playing in editor, if you fire your weapon at a trigger volume, the projectiles will bounce off of the volume, regardless of the fact that the collision is set to Query Only. This collision als ...
Importing multiple SpeedTree assets that use the same texture will not assign correctly
UE - Graphics Features - Sep 25, 2015When importing multiple SpeedTree assets that use the same material will cause one to import blank (black) materials and assigned. This happens when importing into the same folder, however, if impor ...
Access None errors creating log spam in user's project when editing BP
UE - Gameplay - Blueprint - Mar 16, 2015Access None errors creating log spam in user's project when he is editing the BP. This causes a gradual, but significant, increase in the Editor's memory usage. It appears to occur with a a refere ...