Unreal Engine Issues
Unreal Engine Issues
Blend weight of animations passed to notifies are incorrect
OLD - Anim - Jan 13, 2015It's currently not possible to prevent notifies from firing by setting their TriggerWeightThreshold. When stepping into the code that fires the notifies I found that the given InstanceWeight was alw ...
Transparency applied through widget animations do not work on 3D Widgets
UE - Editor - UI Systems - Sep 16, 2015If the user creates a widget with an animation that fades the widget out. This effect will not carry over into a 3D widget. The 3D widget goes directly from 1 to 0 or visa versa. ...
Volumetric Translucent Shadow visibility artifact
UE - Graphics Features - Aug 12, 2016Volumetric Translucent Shadow has artifacts when using some nodes like noise when clamped between 0,1. This happens with other nodes as well. When using a basic alpha mask or constant value there ...
Interpolators of Particle Dynamic Parameters Need "nointerpolation".
UE - Niagara - Aug 1, 2019Regardless Niagara or Cascade, dynamic parameters for particles are passed to pixel shaders from vertex shaders via InterpolantsVSToPS. It can cause a precision error on some materials, for example ...
r.setRes does not Allow true fullscreen on Mac
UE - Platform - Apple - Oct 5, 2015While playing in editor, executing the Console Command: "r.setRes 1920x1080wf" produces the exact same results as "r.setRes 1920x1080f" which is to create a fullscreen window with a border across th ...
Skeletal mesh bones cannot be selected in the viewport of the IK Retargeter
UE - Anim - Rigging - Retargeting - May 2, 2023Skeletal mesh bones cannot be selected in the viewport of the IK Retargeter. They can still be selected via the bone name hierarchy. Reproduces in the following://UE5/Release-5.1 CL 2390901//UE5/Re ...
KiteDemo: Bookmark spawn function broken if in Run mode
Docs - Samples - May 4, 2017While testing in KiteDemo - //UE4/Release-4.16 CL 3420042 in Binary – I found that pressing the bookmark attraction Scene keys (1 - 0) does not work as intended if user is in Run mode. ...
Long delay on iOS Device Output Log can cost loss of logging on some devices
UE - Platform - Mobile - Feb 8, 2019If the delay to begin printing the log to the window is too long, some of the logging can be thrown out. This issue does not occur with Android Device Output log UPDATE1: The last time I reproduce ...
Unable to apply Materials to the chunks of a Destructible Mesh
UE - Simulation - Physics - Jul 31, 2018When applying a second material to a Destructible Mesh it does not texture the chunks of the fractured mesh. The chunks remain the same as base color of the Destructible Mesh. This is issue was re ...
Can't fire custom event of event track when enabled auto scroll.
UE - Anim - Sequencer - Jan 28, 2020If Auto Scroll is enabled, event track can't trigger, so events may not fire. The frame numbers appear to be duplicated. Especially noticeable when the [View Range End Time] is small value (Working ...