Unreal Engine Issues
Unreal Engine Issues
User Defined Struct causing crash due to accessing freed memory when using Stompmalloc
UE - Gameplay - Feb 14, 2019A licensee has reported that Custom Structs can cause a crash when using StompMalloc under certain situations. Regression?: No This occurs in 4.20 ...
Opening Color Picker Windows crashes editor with Assertion Failed: IsOutsideRenderPass() in VulkanCommandBuffer.cpp
UE - Platform - Linux - Oct 25, 2018Opening Color Picker Windows crashes editor with Assertion Failed: IsOutsideRenderPass() in VulkanCommandBuffer.cpp Did not reproduce on Nvidia Linux Similar to: [Link Removed] but distinct from i ...
The ChaosCacheManager changes the bSimulatePhysics flag from the ObservedComponents and, if deleted, the change will persist, what can lead to confusion as observed physical entities will inadvertently stop simulating physics
UE - Simulation - Core - Nov 26, 2024The ChaosCacheManager (CCM) changes the bSimulatePhysics flag from the ObservedComponents and, if deleted, the change will persist, what can lead to confusion as observed physical entities will inad ...
Crash in FNiagaraGPUInstanceCountManager::AddDrawIndirect when Android Vulkan Mobile preview platform is enabled
UE - Niagara - Nov 14, 2024In the Android Vulkan Mobile preview mode, when multiple GPU niagara systems are visible and the user moves the camera around the level it can cause a crash, potentially caused by a race condition o ...
Editor crash after attempting to create layer info in new landscape window
UE - LD & Modeling - Terrain - Landscape - May 7, 2015Attempting to create landscape layer info from within the new landscape creation window crashes the editor. Workaround: create the landscape, switch to paint mode, create layer info in paint mode w ...
Renaming Niagara's emitter name in the Timeline panel causes a crash
UE - Anim - Sequencer - Jun 18, 2024Renaming an emitter's name in Timeline panel of Niagara editor causes an editor crash. This happens because FViewModelHierarchyOperation constructor is called with null InAnyModel ptr; FViewModelHi ...
Hot Reload triggers Ensure after default value of a property in a component included in an Actor class is changed
UE - Foundation - Cpp Tools - Hot Reload - Sep 13, 2018Performing a Hot Reload after changing the default value of a property in an ActorComponent that is included in an Actor class triggers an ensure if a Blueprint has been created from that Actor clas ...
Importing a t3d filetype will cause a crash
UE - Editor - Content Pipeline - Import and Export - Jun 15, 2016!!! Changes between version 4.12 and 4.13 for importing these !!! 4.12 There is a crash when importing any t3d (legacy) file through File > Import Into Level using the t3d file option. 4.13 The ...
SingleLayerWater Material crashes when sampling SceneTexture:CustomStencil.
UE - Rendering - Architecture - Shaders - Sep 19, 2024There is a texture mismatch between the expected texture samplers and actual texture samplers for SingleLayerWater materials that use the Material Function StencilMaskCompare. Also tested on UE5.5, ...
Undo Crash with Reroute node into Class pin of SpawnActorFromClass
UE - Gameplay - Blueprint - Sep 4, 2018Crash on undo with SpawnActor node that uses a reroute pin in class wire. "It looks like the variable promotion marks the blueprint as structurally modified, which triggers a skeleton compile, wh ...