Unreal Engine Issues
Unreal Engine Issues
BuiltData is saved alongside it's map, even if lighting hasn't changed
Tools - Jun 25, 2021Saving a map will always resave the map's BuiltData, even if the BuiltData hasn't been marked dirty. Changes were made to avoid marking it dirty for [Link Removed], but the call to SaveWorld in FEdi ...
Behavior of reparenting Component on UE5 is different from UE4
UE - Gameplay - Blueprint Editor - Mar 29, 2022In UE4, Reparenting the Child Component did not update it on the screen, but the Relative Transform was updated. However, UE5 now retains Relative Transform, so there are on-screen updates. This is ...
Virtual Heightfield Mesh crash using released Vertex Factory
UE - Rendering Architecture - Jul 25, 2023When using VirtualHeightfieldMesh we see intermittent crashes in FDepthPassMeshProcessor::TryAddMeshBatch(). This can happen when FVirtualTextureProducerCollection::CallPendingCallbacks() is called ...
Setting the brush type of a custom volume BP causes the editor to crash
Tools - Nov 17, 2014Setting the brush shape of the root component for a custom volume BP causes the editor to immediately crash. ...
Crash in Retarget Manager with Humanoid Rig when trying to re-assign a bone to a node
OLD - Anim - May 26, 2015Crash in the Retarget Manager with Humanoid Rig when trying to re-assign a bone to a node. Happens particularly when there is already a bone selected and you want to select a new one. [Link Remove ...
Mac Crashing on Editor Launch
UE - Graphics Features - Sep 24, 2015User reporting he is crashing when launching the Editor "This is a 4.9.1 binary build (latest), I can't give you the exact version because it crashes on the initialisation stage at 0%. The system i ...
Crashes in movie player on Android
UE - Platform - Mobile - Apr 23, 2015There are a number of reported movie crash issues, but this report likely covers the main cause. Garbage collection changed in Android 4.0 and we are triggering a check that does not happen with ba ...
Editing Struct variable types can cause pins of an array of that struct to become disconnected
UE - Gameplay - Blueprint - Jun 6, 2016When changing the variable type of a variable in a struct, it can cause some pins related to arrays of this struct to become disconnected. The project provided was from the Marketplace, entitled "Su ...
Inconsistent Prioritization of Navigation Modifiers
UE - AI - Dec 12, 2016When working with Nav Modifiers in a level that contains objects that have a custom Nav Area class, the prioritization of the modifiers is not consistent. If you notice in the attached project, so ...
ConstructorHelpers::FObjectFinder failing to compile with UPaperFlipbook
UE - Foundation - Core - Feb 21, 2017If ConstructorHelpers::FObjectFinder is used with UPaperFlipbook as its class specifier, compiling the code fails with the following error: Error C2664 'void ConstructorHelpers::ValidateObject(UObj ...