Unreal Engine Issues
Unreal Engine Issues
BlackboardComponent observer can be called for the wrong key
UE - AI - BehaviorTree - Feb 7, 2023We need to, at least, prevent this by clearing observers when running a new BT using a different blackboard. Must also think that this might affect licensees relying on the current behavior (might h ...
PlaySoundAtLocation node not working in packaged IOS games
UE - Platform - Mobile - Jan 12, 2015Sound queues set to play with "Play Sound at Location" node don't play on a game packaged for IOS. **NOTE** User workaround mentioned that sound will come out from connected bluetooth. ...
Sound Class Radio Filter Volume Functionality
UE - Audio - Jan 12, 2015When creating a Sound Class and editing/applying the 'Radio Filter Volume' option, the sounds associated with the sound class seem to have their attenuation settings overridden or mixed in with an i ...
Sync'ing an asset through the editor does not update the asset until the project restarts
If an asset file is checked out / edited in source control and checked back in, others will see the yellow exclamation mark to indicate that there is an update to the asset but choosing to sync does ...
Landscape：Shadowmap the landscape casting doesn't match visual mesh after build lighting
UE - LD & Modeling - Terrain - Landscape - Aug 17, 2018Editor crash on Instanced Subobjects of an outer class in Class Picker
UE - Gameplay - Components - Aug 17, 2021Camera Shot Blend does not work when Reverse Play
UE - Anim - Sequencer - Feb 13, 2024Camera shot blending on Sequencer does not work when Reverse Play. If we place two cameras in a scene and just blend them by Camera Shot track in sequencer, the view point is interpolated between th ...
Crash when using CastChecked<>(nullptr, ECastCheckedType::NullAllowed) in configurations where checks are disabled
UE - CoreTech - Jun 19, 2025When using CastChecked<>(), the second parameter can be passed as ECastCheckedType::NullAllowed to make the check succeed when the input is nullptr. However, in UE 5.5 up to the latest engine versio ...
VALIDATE_UNIFORM_BUFFER_LIFETIME fails compilation
UE - Graphics Features - Jul 24, 2025Also verified on Release-5.5.4 CL 40574608 ...
Scaling multiple child components within a blueprint will cause their transform to malfunction
UE - Gameplay - Blueprint - Feb 17, 2016If the user scales multiple child components and tries to move them it causes exaggerated movement. ...