Unreal Engine Issues
Unreal Engine Issues
Recompiling blueprint breaks Instanced class property inside child actor
UE - Gameplay - Blueprint Compiler - Apr 7, 2022When a blueprint class that contains an instanced property is used as the class for a child actor template, recompiling that class results in a disconnect between the instanced subobject in the blue ...
Modifying FSuggestProjectileVelocityParameters::ResponseParam.CollisionResponse modifies FCollisionResponseParams::DefaultResponseParam
UE - Gameplay - Sep 17, 2024FSuggestProjectileVelocityParameters was introduced in 5.4 and has a FCollisionResponseParams member that's initialized as a mutable reference to FCollisionResponseParams::DefaultResponseParam. str ...
Empty Shot Track Breaks Camera Component tracks when using Camera Cut Track
UE - Anim - Sequencer - Aug 18, 2016Empty Shot Track Breaks Camera Component tracks when using Camera Cut Track ...
Slate memory stomp on engine shutdown caused by invalidation panel
UE - Editor - UI Systems - Slate - Feb 8, 2017A licensee reported a crash happening when the engine shuts down. We determined it only occurred when invalidation panels are used, likely caused by a call to ClearChildren on a canvas panel in an i ...
Planes have a Mesh Distance field exceeds the size of the original mesh
UE - Graphics Features - Sep 20, 2017Planes have a Mesh Distance field exceeds the size of the original mesh when the value is set to 2. This behavior does not seem intended as the cube does not experience this issue when the value is ...
No shadow cast after Static Mesh Editor material assignment
UE - Editor - Content Pipeline - Datasmith - Importer - Apr 21, 2020This is a Rhino file. Shadows are not cast on the Static Mesh after materials are assigned in the Static Mesh Editor. This was reported and tested in 4.24.3 (CL-11590370). This was reproduced in 4. ...
Root Motion Not Retained when Retargeting Animation Assets from UE4 to UE5
UE - Anim - Rigging - Retargeting - Apr 12, 2022Occurs 5/5 Times RootMotion of an animation asset is not retained when retargeting Root Motion Animation asset from UE4 to UE5. ...
AbilityTask_PlayMontage will 'zombie' if Interrupted during BlendOut
UE - Gameplay - Gameplay Ability System - Apr 14, 2023User reports: I've noticed a bug with PlayMontageAndWait There are 4 possible triggers when a Montage completes:OnCompletedOnBlendOutOnInterruptedOnCancelled Once OnBlendout has been triggere ...
MS_VertexAnimationTools_MorphTargets are not deforming and reforming
UE - Graphics Features - Sep 20, 2017The Material should be contracting and expanding if it is working correctly, but after version 4.16 it is not. Instead it is solid in appearance in the material editor viewport. Below I have linked ...
Once an actor channel is closed by NetCullDistance, root motion movement synchronization stops working
UE - Networking - Jul 12, 2021Properties that uses DOREPLIFETIME_ACTIVE_OVERRIDE (ex. RepRootMotion ) will also skip replication when an actor channel is newly opened. This means that if the variables on the server side do not c ...