Unreal Engine Issues
Unreal Engine Issues
D3D12RHI crash when interacting with UI using dx12 with raytracing enabled
UE - Graphics Features - Feb 12, 2020Enabling raytracing and DirectX12 results in D3D12RHI crash when interacting with the UI or console inside of the editor. User is using the latest drivers and has adequate hardware to run raytraci ...
Crash when reimporting staticmesh fail
UE - Editor - Content Pipeline - Import and Export - Feb 12, 2020When a re import fail, we currently delete the package which in a reimport case produce a crash later. If a reimport fail we should abort and make sure the asset is not touch and exactly like it wa ...
BUG IN CLIENT OF LIBDISPATCH: crash on KeyPress down in WebBrowser
UE - Platform - Apple - Feb 12, 2020FCEFWebBrowserWindow::OnKeyDown() InternalCefBrowser->GetHost()->SendKeyEvent(KeyEvent); is processed on the UE4 GameThread, inside the Chromium Embedded Framework (CEF) it appears to call a syst ...
Show collision can't display Complex Collision Mesh
UE - Simulation - Physics - Feb 12, 2020"viewmode collisionpawn" and "viewmode collisionvis" can not display complex collision meshes as well. ...
Restore state on animation in level sequence will stop all montages
UE - Anim - Sequencer - Feb 12, 2020It looks like UnbindFromSkeletalMeshComponent stops all montages. This is called when the animation section restores its state. https://udn.unrealengine.com/s/question/0D52L00004lun3ySAA/restore ...
Unable to input with IME in widget component.
UE - Editor - UI Systems - Feb 12, 2020Unable to input IME text in widget component, but able to input IME text in textbox like UMG designer. It works fine until 4.21, however it wasn't able to work after 4.22. Workaround: void FSla ...
Crash when using both tessellation and virtual texture on a landscape material
UE - LD & Modeling - Terrain - Landscape - Feb 11, 2020When a landscape is set up to use runtime virtual texturing. If it uses a material that writes to a runtime virtual texture and has tessellation enabled. Then we see a crash and the log reports: ...
Atan2() missing from Math Expression node
UE - Gameplay - Blueprint - Feb 11, 2020Using the math expression Atan2(y,x) inside of a math expression node results in an error. Tested in: 4.23.1 CL#9631420 , 4.25 CL#11341939 ...
Niagara viewport does not adjust exposure when set to auto
UE - Niagara - Feb 11, 2020The Niagara viewport does not adjust exposure when using the Auto setting for exposure. This is especially pronounced when using physically based values for skylight intensity. ...
Skybox not rendering in packaged project with Vertex Fogging enabled
UE - Platform - XR - Feb 10, 2020Vertex Fogging setting causes skybox material on large skybox mesh to not be rendered. Confirmation for 4.25 blocked by [Link Removed] ...