Unreal Engine Issues

Renaming Blackboard Key Not Updating Behavior Tree References

When renaming a blackboard key using the Entry Name box in the key's details panel, the names of the references in the behavior tree are not updated automatically. This is inconsistent behavior be ...

Replacing Selected Actors does not replace all references.

When using the "Replace Selected Actors with" feature in the editor, references to the replaced actor are not updated to reference the new actor (where valid). They will appear to be replaced until ...

Directx12 crashes with OOM

In editor, when running a task that does not issue a BeginFrame/EndFrame for a long time, the GPU will eventually run out of memory.  See UDN: https://udn.unrealengine.com/questions/431450/directx1 ...

[AI] Fill Collision Underneath for Navmesh does not work for ISM instances

Although the ISM component allows for enabling the flag for Fill Collision Underneath for Navmesh, it does not add the modifier for this to the navigation data for its instances.  ...

Multi Sphere Trace is not returning the correct Impact Location

Multi Sphere Trace is not returning the correct Impact Location. Other AnswerHub Report:https://answers.unrealengine.com/questions/30952/multisphere-trace-fhitresult-location-same-as-impa.html ...

The Select node will accept both a Parent Class and a Child Class as inputs if the Parent is added first

The Select node will accept both a Parent Class and a Child Class as inputs if the Parent is added first. The node will compile if the Index is set to anything other than Wildcard. Note that the no ...

No Editor Audio on Linux when using ALSA

No sound play in editor when using ALSA (Advanced Linux Sound Architecture), and log spam when launching a project ...

Naming a category for a function the same name as a function can cause the My Blueprints tree to display incorrectly (making the category heading look like a function)

init_unreal.py loads with errors from ML deformer module which has dependencies that are not loaded in -game runs of the editor

Renaming variables in parent blueprint resets values for child blueprints

Renaming a variable in a parent blueprint will reset the value of that variable for any child blueprint based on the parent within the level viewport. ...