Unreal Engine Issues
Unreal Engine Issues
Mouse Wheel Axis input gives different values in HTML5 packages, varying by browser
UE - Platform - Mobile - Sep 28, 2017The value given by the Mouse Wheel Axis is usually 1.0 or -1.0, depending on the direction. In HTML5 packages, this value varies based off the browser that is used. On Firefox (56.0): 0.025 or -0.0 ...
Execution Doesn't Resume When Hitting BT Task Breakpoint and Trying to Resume in the Behavior Tree
UE - AI - Oct 6, 2017When a breakpoint is hit in a BT Task Blueprint, execution will not be resumed if you attempt to do so from the Behavior Tree that is running the BT Task. This will cause a crash if executed in the ...
Material loses Material Function reference when both are moved simultaneously
UE - Rendering Architecture - Materials - Oct 6, 2017Moving a material function asset along with a material using the function causes the material to lose the function reference when the project is restarted. Regression: Yeswith Material and sub fold ...
Asset manager duplicates asset types on project reopen after custom element is made
Tools - Oct 24, 2017There is an issue where, in the Asset manager duplicates asset types on project reopen after custom elements are made for the "Primary Asset Types to Scan" array. THis issue does not appear to be a ...
Draw debug points do not draw at the same sizes in Orthographic viewports as they do in Perspective viewports
Tools - Oct 30, 2017With the Draw debug points node, the points do not draw at the same sizes in Orthographic viewports as they do in Perspective viewports. This issue does not appear to be a regression. Versions Test ...
CCD can produce incorrect results at low frame rates
UE - Simulation - Physics - Feb 27, 2019The attached project has a fixed frame rate of 30fps with a simulating CCD cube above a with a full restitution floor. The cube has an odd rotation, such that it impacts the floor at a single point ...
Undo and ConstructionScript break the AttachChildren array
UE - Gameplay - Components - Nov 14, 2019Undo fills AttachChildren array with null by the undo serializer. After that, a construction script tries to remove child components from parent component's AttachChildren but it can't find its poi ...
Geometry in hidden Layer unhides if moved in the viewport
Tools - Mar 3, 2017Geometry that is hidden in a layer, becomes visible after being moved in the viewport. The layer stays hidden, and if a cube is placed in the layer, it also remains hidden. Moving a cube that is hid ...
Actor Not Ticking on First Streaming Level Load When Using Level Streaming Volume
UE - Gameplay - Apr 11, 2017Actor's do not appear to be ticking when a level is first loaded when using a Level Streaming Volume. The Tick event will fire on the second and subsequent attempts. Edit: After further testing, th ...
Capsule Indirect Lighting with ILCQ Volume breaks on Skeletal Meshes when making Sublevel visible not in the current Camera Frustum
UE - Graphics Features - Apr 12, 2017When using Capsule Indirect Shadows for Skeletal meshes who have their ILCQ set to Volume, and loading a SubLevel with it's actors not within the current camera's view, the indirect lighting is blac ...