Unreal Engine Issues

BlackboardComponent observer can be called for the wrong key

We 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

Sound 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

When 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

iOS Remote Build fails with Date/Time set to Certain Locales

Date/Time formats using commas instead of semicolons will cause iOS compile to fail. "LogPlayLevel: Error: ERROR: System.FormatException: Input string was not in a correct format." Similar Unk ...

Editor crash on Instanced Subobjects of an outer class in Class Picker

Camera Shot Blend does not work when Reverse Play

Camera 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

When 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

Also verified on Release-5.5.4 CL 40574608 ...