Unreal Engine Issues
Unreal Engine Issues
Line trace fails to detect Destructible Mesh
UE - Simulation - Physics - Destruction - Jun 15, 2015When using a line trace in the construction script so that objects can return a value destructible meshes will not return a hit. This does not affect use in game with PIE or Standalone game, but if ...
Changing transform of simulated component during physics freezes motion
UE - Simulation - Physics - Oct 13, 2016If something is executed before a SetActorRotation node on Tick inside of a SceneComponent class BP and then added to an Actor class BP, the physics will lag User Description: When using set rotat ...
Crash when Rendering a Sequence at resolutions higher than 4K with DX12 and Ray Tracing Enabled
UE - Rendering Architecture - RHI - Jul 2, 2019The Editor will crash when rendering a sequence at 7680x7680 with dx12 and ray tracing enabled. Found in 4.22 CL# 7053642, 4.23 CL# 7208101, 4.24 CL# 7210422 ...
Paper2D Tilemap doesn't render tiles correctly when more than one layer is added.
UE - Graphics Features - Apr 3, 2019Regression as of 4.22. When creating more than one layer in a Paper2DTilemapAsset, the tiles will not render correctly in the second layer. Please see the attached gif for an example. ...
Cannot resize comment box when new comment is created on top
UE - Rendering Architecture - Materials - Apr 27, 2017Cannot resize comment box when a new comment is created on top. The resizing affects the bottom right corner. This issue is dependent on how the comment is added if comment 1 is highlighted and a ne ...
UMG Widgets containing child widgets that have bound animations fail to save
UE - Editor - UI Systems - Jan 10, 2020Adding a child widget that contains a bound animation to a separate widget blueprint results in failure to save. Working in 4.22.3 Tested in: 4.22.3 CL#7053642, 4.24.1 CL#10757647, 4.25 CL#108892 ...
D3D Device Lost 'HUNG' crash in FD3D11Viewport::PresentChecked
UE - Graphics Features - Oct 31, 2016This is a new D3D crash affecting multiple users in 4.14 Preview 1. It is currently the #1 crash in the Preview. Information provided by users:Just pressed create project...Openning QA Game with - ...
Huge performance hit when recording a demo (demorec)
UE - Networking - Jun 3, 2019The current engine version (4.22) seems to suffer a huge performance hit when using the demo recording (demorec) feature. This issue is present in both the editor and the packaged game (developer bu ...
"Convert to Blueprint" removes ability to edit component properties
UE - Gameplay - Blueprint - Dec 4, 2018As noted by the user in the linked UDN question, this seems to be a problem with the PointLightComponent property on APointLight not having the VisibleAnywhere property descriptor. Also as noted, th ...
Assertion Failure: Cascade Particle !bPostTickComponentUpdate in same tick group as Cascade Particle system submission.
UE - Niagara - Apr 18, 2019Attached Project: [Link Removed] Since Upgrading project to 4.22, Licensee has been experiencing an Assertion crash in their built game. "I'm not exactly sure why it crashes. It's a very specific ...