Unreal Engine Issues
Unreal Engine Issues
Crash to desktop after creating Level Sequence with Widget Blueprint
Tools - Nov 30, 2019Newly created Level Sequence assets cant be opened when they have been created via Editor Blueprint Widget. They are created successfully through a button click for instance, but when you try to ope ...
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 ...
bIgnoreAllPressedKeysUntilReleaseOnRebuild in Enhanced Input behaves unexpectedly during pawn possession
UE - Gameplay - Input - Jun 11, 2025This is a speculative bug report from the user. The fix for this is to re-do the work of 31224705 but in a better way. The "bShouldBeIgnored" flag is being overriden by the previous mapping's va ...
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 ...
Editor crash when using Straighten Connection shortcut key
UE - Gameplay - Blueprint - Feb 8, 2017Using Straighten Connections shortcut can cause the editor to crash after removing node pins. This appears to be due to GetGraphPinForMenu returning the last pin selected (in this case, the removed ...
Exceptions can no longer be enabled for ProjectEditor targets
UE - Foundation - Cpp Tools - Jul 16, 2018It is no longer possible to enable C++ exceptions for the ProjectEditor target in code projects that use the binary Engine. Some fixes that were made for 4.19 now correctly show an error message if ...
Properties of placed-in-map actor instances may not replicate if their default has been edited
UE - Networking - Mar 26, 2019If the default value of a replicated property is edited on an instance of a placed-in-map actor, then on the server is value is changed back to the default, a client who joins in progress after this ...
Loading a map via File->Open Level... when it is already loaded in World Composition view does not reset actors to origin
UE - World Creation - Worldbuilding Tools - World Composition - May 14, 2019Loading a map via File->Open Level or just by clicking on it to open it, when it is already loaded in World Composition view does not reset actors to origin. The actors instead keep the same positio ...
Construction script does not properly reset array count
UE - Gameplay - Oct 28, 2019It appears that in UE 4.23, some specific arrays in construction scripts are no longer cleared automatically and retain references to TRASH objects from the previous construction script calls. This ...