Unreal Engine Issues
Unreal Engine Issues
Unreal 4.26 Crashes when playtesting with a groom in the scene
UE - Graphics Features - Jan 8, 2021When you hit play with a groom in the scene, the engine crashes Additional notes: First tried adding it to a skeletal mesh through a character blueprint. Engine crashes. Engine doesn't crash if pla ...
Delay does not tick when game is paused
UE - Gameplay - Blueprint - Jan 4, 2021Delay nodes no longer fire within a paused actor even if that actor has been set to 'Tick Even when Paused' Removing the delay node from the equation allows the print node to continue firing while ...
Crash on adding new element to ChaosCacheCollection if ChaosCacheCollection is open in editor
UE - Simulation - Physics - Destruction - Dec 11, 2020More ways to reproduce:In Chaos Cache Collection Editor press Add Element button (no matter when you will do this step)If in Step13 from Steps to reproduce you won't place Chaos Cache Collection Edi ...
Editor preview safe zones for notched iPhones do not match those used at runtime
UE - Platform - Apple - Dec 4, 2020Hi, on iOS we ask the device for its cutout regions, but the values returned by the device can be overridden using the SafeZone.Landscape.* cvars. However these are on-device only settings. When th ...
Black viewport with artifacting when changing to MSAA with Forward Shading enabled
UE - Graphics Features - Dec 2, 2020DID NOT OCCUR IN BP FPS PROJECT - might be ContentExamples specific This issue does not occur when forward shading is disabled. Viewport error reads: TOO MANY OVERLAPPING SHADOWED MOVABLE LIGHTS ...
Skeletal mesh reduction - Material settings are lost when regenerating the LOD in a mesh with a reduced material section
UE - World Creation - Worldbuilding Tools - HLOD - Nov 25, 2020Following code fixes this issue in FQuadricSkeletalMeshReduction::ReduceSkeletalMesh Section.ChunkedParentSectionIndex = bIsChunkedSection ? CurrentParentSectionIndex : INDEX_NONE; // ...
Ray traced shadows appear even after the mesh is hidden
UE - Graphics Features - Lumen - Oct 13, 2020bCastHiddenShadow flag in UPrimitiveComponent doesn't affect ray tracing shadows ...
Groom Binding Asset not saving
UE - Editor - Content Pipeline - Import and Export - Oct 12, 2020After the user imports an alembic groom asset and creates a binding, then saves, the user opens the groom editor and assigns the newly-created binding asset. After saving the editor and re-opens the ...
iOS/TVos/Mac Compilation Error - Argument List Too Long
UE - Platform - Mobile - Oct 8, 2020Compilations are failing on iOS, tvOS and Mac due to the following clang error: clang: error: unable to exectute command: posix_spawn failed: Argument list too long ...
Ensure/Crash upon opening TM-Hair with Vulkan RHI | Ensure condition failed: DepthStencilLayout == VK_IMAGE_LAYOUT_DEPTH_STENCIL_READ_ONLY_OPTIMAL
UE - Rendering Architecture - RHI - Oct 7, 2020Ensure happening on both Linux and Windows when using Vulkan RHI. Editor will Crash on Linux however when map TM-Hair is opened. Not a Regression, TM-Hair and Grooming feature is new to 4.26 and do ...