Regression - Inherited component properties on actor instances of derived blueprints are silently reset to defaults when the blueprint is compiled, causing data loss

UE - Gameplay - Jul 19, 2024

In certain circumstances, when a derived blueprint is compiled, all properties from its inherited components can be silently reset to defaults on instances placed on the current level. This results ...

Half precision is not supported for OpenGL ES 3.1 Pixel Shaders

UE - Platform - Mobile - Apr 6, 2018

Fix the cross compiler so half precision is supportedAdd a project setting to specify the default precision to support on ES31. Be sure the shader version takes this setting into account. — User des ...

[CrashReport] UE4Editor_Engine!UModelComponent::CalcBounds() [modelrender.cpp:750]

UE - LD & Modeling - Modeling Tools - BSP - Nov 10, 2017

This is a trending crash coming out of the 4.18 release. Users have not provided any descriptions of their actions when the crash occurred. Source Context 742 FBoxSphereBounds UModelComponent ...

[CrashReport] UE4Editor_Kismet!FFindInBlueprintSearchManager::OnCacheAllUncachedBlueprints() [findinblueprintmanager.cpp:2095]

UE - Gameplay - Blueprint - Nov 2, 2017

This is a trending crash coming out of 4.18; it may be a regression. Users have not provided any descriptions of their actions when the crash occurred. Source Context 2093 // Start the cac ...

[CrashReport] Crash on Mac related to cooking for IOS

UE - Graphics Features - Jul 20, 2017

This is a common commandlet crash for Mac users in 4.16. In all cases, the command line is like: "(path/project).uproject" -run=Cook -NoLogTimes -TargetPlatform=IOS -fileopenlog -unversioned -ski ...

[CrashReport] FLandscapeEditorCustomNodeBuilder_TargetLayers::OnTargetLayerDeleteClicked()

UE - LD & Modeling - Terrain - Landscape - Oct 5, 2017

This is a somewhat common Landscape crash occurring throughout the 4.17 release. User Descriptions1) rename landscape layer, 2) delete layer in landscape tool Source Context 1307 FReply FL ...

[CrashReport] UE4Editor_UnrealEd!UEditorEngine::bspBrushCSG() [editorbsp.cpp:1188]

UE - LD & Modeling - Modeling Tools - BSP - Sep 7, 2017

This is an infrequent BSP crash occurring for users in 4.17 User DescriptionsWas getting ready to creat a stic mesh from some brushes, did the align verticies, computer chugged on it a bit then edi ...

[CrashReport] Crash on Mac during Editor load (out of memory loading Boot.ddc): Assertion failed: A.ArrayNum >= 0

UE - Foundation - Core - Jun 14, 2017

This is a common crash occurring for Mac users in the 4.16 release. It appears to occur during editor startup. The below details are taken from user log files.LogFileManager:Error: Requested read of ...

[CrashReport] UE4Editor_AnimGraph!FCSPose<FCompactHeapPose>::GetComponentSpaceTransform() [bonepose.h:533]

UE - Anim - Rigging - Nov 2, 2017

This is a trending crash coming out of the 4.18 release and may be a regression. Users have not provided any details about their actions when the crash occurred. Source Context 528 template ...

[CrashReport] UE4Editor_DetailCustomizations!FBodyInstanceCustomization::MarkAllBodiesDefaultCollision() [bodyinstancecustomization.cpp:829]

UE - Simulation - Physics - Aug 29, 2017

This is an infrequent crash occurring in the 4.17 release. Users have not provided any descriptions of their actions when the crash occurred. Source Context 816 void FBodyInstanceCustomiza ...