Bad performance when changing (slider) values for the advanced preview scene

UE - Gameplay - Jul 20, 2016

And yes we do have sliders but the performance is bad when you slide them. ...

Unexpected vertex normal orientation when manipulating some morph targets

OLD - Anim - Jul 19, 2016

Unexpected vertex normal orientation when manipulating some morph targets. This may be related to [Link Removed], but felt different enough to enter on it's own. ...

User's project crashes after removing widget from the viewport

UE - Editor - UI Systems - Jul 19, 2016

The editor appears to crash when a widget is removed from the viewport by another widget ...

HZB Setup Mips taking considerable time in GPU Visualizer

UE - Graphics Features - Jul 19, 2016

HZB Setup Mips in the GPU Visualizer seems to be taking considerable ms in 4.12 and 4.13 compared to 4.11.2. This seems to mostly affect editor/PIE GPU Visualization but looks like it should when ...

Imported animation has one more frame than the original fbx

OLD - Anim - Jul 19, 2016

In UE4.12, imported animation has one more frame than the expected frame number. AS_AN_StepAnim_Test.fbx is 60 frame long animation(starts at frame 0, ends at frame 60). When imported to UE4.12, it ...

Actors animated with sequencer cause "Begin/End Overlap" events to fire every tick

UE - Anim - Sequencer - Jul 18, 2016

Actors animated with sequencer cause "Begin/End Overlap" events to fire every tick while overlapping another actor ...

Crash when creating deferred decal material when using -d3ddebug command line argument to launch editor

UE - Graphics Features - Jul 18, 2016

Discovered this while verifying [Link Removed]. Devs informed me of a command line argument that could be used to output D3D11 debug information and using it caused crashes in both //UE4/Main @ CL 3 ...

Ensure breaking a link in anim blueprint Event Graph and then undoing

UE - Gameplay - Blueprint Editor - Jul 18, 2016

Ensure occurs when the user breaks a link in the animation blueprint's Event Graph and then undo's the action. I wasn't able to reproduce it in a class blueprint. ...

Imported heightmaps with 2x2 sections crash editor

UE - LD & Modeling - Terrain - Landscape - Jul 18, 2016

Importing a heightmap with 2x2 segments seems to cause the editor to crash in 3 different instances: 1. Importing the same 2x2 segment landscape a second time after deleting the first instance 2. ...

Static Mesh Editor material element highlight does not highlight the element

Tools - Jul 18, 2016

If the user selects "Highlight" for an element in the static mesh editor, the element is not highlighted. ...