Unreal Engine Issues

Sequencer does not support Quaternion Rotation when manipulating transform tools or piloting cameras

Noticing an issue when keying a camera and then playing back the animation it turns or spins in directions i never intended. Think we need check box for toggling Use Quaternion linear interpolation ...

PlatformMediaSources fail to load in the editor.

[SM5] (Node TransformPosition) Error when opening HillTree_02 mesh from Open World Demo Collection

The HillTree_02 mesh from the Open World Demo collection has a shader compile error. The user pointing the issue out is reporting a freeze whenever he attempts to use the asset. I provided a workar ...

DLC update from 1.0 deletes staging folder which unable to make incremental(patch) chunks

DLC update from 1.0 deletes staging folder which unable to make incremental(patch) chunks. ...

Fail to launch ('Attempt to build nav collision') on device when HLOD is generated

After generating HLOD, game launched from launch on device does not run correctly. 4.14 does not seem to have this issue, so this might be a regression. ...

Can't clear AnimBp reference from an old asset(4.10 or before) with a skeletalMeshComponent

When using an older asset(4.10 or before) with a skeletalMeshComponent in a newer engine version, a reference for the original AnimBP remains after changing the mesh component's Anim Class. ...

OnAudioPlaybackPercent Returning Incorrect Start Time of Play node with new Audio Engine

The values returned by the OnAudioPlaybackPercent event node are incorrect when calling a sound to Play with a specific Start Time via blueprint when using the new Audio Engine i.e. AudioDeviceMod ...

Color Picker No longer Retains Hex Values

The color picker doesn't remember values pasted or entered into the Hex Linear or Hex SRGB field. ...

Edit shared defaults for multiple blueprints leads to Engine crash.

Changing any value in Edit shared defaults window with multiple blueprint assets leads to Engine crash. This is a regression from 4.16 ...

Slow response on clicking on InstancedStaticMeshComponent with many elements when using IME

When clicking on InstancedStaticMeshComponent with many elements, Editor memory usage increases and editor freezes until the operation is finished. The wait and memory usage get much worse when usin ...