Compsure crashes when reordering transform passes

Rendering - Aug 10, 2020

Re-ording the Transformpass array results in a crash of the engine. Link to repro video: [Link Removed] ...

Widget Slider increments in an odd way when it is dragged outside of its bounds when next to another Widget

Tools - UMG - Aug 6, 2020

The attached video shows the results of this bug. When two Widgets are next to each other and one of them has sliders, when the sliders are dragged past their bounds they will increment backward so ...

Importing FBX file with same material slots and texture names has bugs

Tools - Import - Jul 31, 2020

When importing a file from Blender, UE creates the correct number of materials, but the number of textures is incorrect and is being overwritten, and not importing the correct amount. Tested and re ...

ChildAnimBP with different skeleton than parent does not show child skeletons anims in AnimGraphOverrides

Anim - Jul 31, 2020

Create a Parent AnimBP, add any animation to it. Then create a childAnimBP from Parent. In ChildAnimBP, go to TargetSkeleton (from class settings) to change a different skeleton. Then go to the Anim ...

"ShowFlag.InstancedFoliage 0" hides HISMC

Tools - Foliage - Jul 29, 2020

Hierarchical Instanced Static Mesh components that contain no foliage are disappearing when ShowFlag.InstancedFoliage 0 is used. This was reported and tested in 4.24.3 (CL-11590370) and reproduced ...

Flickering artifacts are rendered when using Sky Atmosphere Component with Vulkan

Rendering - RHI - Jul 16, 2020

Rendering the SkyAtmopshere component using Vulkan with and without Vulkan (SM5) enabled causes artifacts to appear on screen on Windows and Linux.  This was reported and tested in 4.25.1 (CL-135 ...

Playing audio files in Editor doesn't work when Magic Leap Zero Iteration is enabled

Audio - Jun 14, 2020

When the "Enable Zero Iteration" and "Use ML Audio for Zero Iteration" settings are both checked, the audio doesn't play inside Unreal Editor. This happens in the following cases:Playing an audio fi ...

Anim Interface Implementation from Child AnimBP is not working

Anim - Jun 11, 2020

The licesee expects to have Anim Interface Implementation from the Child AnimBP override the behavior in Parent AnimBP, even calling link Anim Class Layers in BP to link the ChildAnimBP layers is no ...

Crash compiling Widget Blueprints that contain Dynamic Entry Boxes with their Entry Widget Class set to each other

Tools - UMG - Jun 10, 2020

Currently the Dynamic Entry Box has no protection against recursion, leading to a stack overflow and a crash. This issue was reported and tested in 4.25 (CL-13144385). This was reproduced in 4.24.3 ...

Incorrect conversion when using FUnitConversion::Convert

Core - Jun 5, 2020

Incorrect conversions values received and using FUnitConversion::Conversion ...