Unreal Engine Issues
Unreal Engine Issues
Incorrect config property serialization for UStructs used as TMap keys or contained in a TSet with a single value. Diffs taken from default-value of each member type, instead of from default-value of the struct
UE - CoreTech - Nov 18, 2024Consider a UStruct with some basic type members, each one with a default value specified in the struct. Also consider a TSet or TMap with that struct as keys, used inside a UObject as a UProperty an ...
BakedSourceTexture missing from Sprite in packaged game
UE - Gameplay - Paper2D - Nov 15, 2024The UPaperSprite::BakedSourceTexture will be nullptr in a packaged game if the sprite is not referenced by the UGameInstance. The attached sample project demonstrates this scenario. ...
No warning given when a subobject is registered to a component not using the registered subobjects list
UE - Networking - Nov 15, 2024AActor::AddReplicatedSubObject will ensure in this case if the actor doesn't set bReplicateUsingRegisteredSubObjectList, but there is no equivalent check in AActor::AddActorComponentReplicatedSubObj ...
External Actors can hold stale references to Blueprint classes as edited instance properties
UE - World Creation - Worldbuilding Tools - Nov 14, 2024When a component is removed from a class that exists as an instance with external actors enabled, a deleted BP component on an actor will remain referenced by the instance. Disabling External Actor ...
Skeletal Mesh Customizable Object Node does not warn of changes to mesh sections.
UE - Anim - Mutable - Nov 12, 2024When reimporting meshes with changes to their material sections, specifically additions, there is no indication that there will be an issue on output of a generated mesh. Ideally, we can watch for a ...
External objects added through customization have incorrect behaviour with EditConditionHides
UE - Editor - Workflow Systems - Nov 7, 2024Copy-paste the TestCode.h and TestCode.cpp into a module Activate the customization in the StartupModule() function ``` FPropertyEditorModule& PropertyModule = FModuleManager::LoadModuleChecked<FPro ...
Interchange: Forcing "Bind Pose Time Zero" to true doesn't always give good result
UE - Editor - Content Pipeline - Import and Export - Nov 6, 2024When using the legacy fbx importer with time zero option to true the skinning is good. So its a regression. Would be awesome if it can be fix in 5.5.1 ...
Safezones on Android not set properly when orientation changes
UE - Platform - Mobile - Nov 5, 2024Looks like the resize that does the safe zone update is done before the orientation is updated. I suggested swapping the order to licensee in the UDN ticket and it worked for him. This should be t ...
Optimization: CharacterMovementComponent doesn't need overlap check for combining moves for stationary characters
UE - Gameplay - Player Movement - Nov 4, 2024The overlap checks are used to see if we can warp back to the previous position to combine network moves to longer moves, but making sure we wouldn't put the character in penetration when rolling ba ...
Null Material Layers in Material Instances cause Opacity Mask and WPO to break on Nanite Meshes
UE - Rendering Architecture - Materials - Oct 31, 2024When a Material Instance is loaded that has a nullptr layer in StaticParametrs.Materiallayers. The Material Instance will create it's own CachedExpressionData but the ConnectedParameterMask will be ...