Unreal Engine Issues
Unreal Engine Issues
VirtualJoystick continues inputs after setting new Touch Interface to none
UE - Platform - Mobile - Jul 29, 2016If you set the Touch interface to none while there is currently inputs being registered, the inputs will continue forever. I also found that if you set the Touch interface to an actual asset the pla ...
Functional Test framework crashes adding delegate instance when multiplayer PIE enabled
UE - Gameplay - Jun 18, 2015The Functional Test framework crashes when adding a delegate instance if multiplayer PIE is enabled. The crash occurs at the check code in the block below from ..\Engine\Source\Runtime\Core\Public\D ...
Filling Vertex Colors does not propogate down to other LODs
Tools - Nov 19, 2018The original reported behavior called out that filling individual channels did not apply to LODs when LOD Model Painting = False. With changes implemented in 4627582, the initial fill will reach LOD ...
App crashes when executing 'Export to Disk' node on Android
UE - Platform - Mobile - Aug 11, 2020Regression is unconfirmed ...
Making changes to a Camera Shake while previewing the Camera Shake triggers a crash
UE - Anim - Sequencer - May 23, 2022This is not a regression. Tested in //UE4/Release-4.27 CL 18319896 Making changes to a Camera Shake while previewing the Camera Shake triggers an Assertion upon compiling. ...
Bindless Textures do not mip stream as expected
UE - Rendering - Architecture - RHI - Jan 29, 2025Bindless textures do not appear to stream mip levels. This issue is separate from an already reported bindless virtual texture streaming issue. When the editor is freshly launched or when mip level ...
A disabled Niagara component is respawned unexpectedly by scalability system in some edge cases
UE - Niagara - Scalability - Oct 17, 2023Even after manually Deactivating a Niagara component, this Niagara component may be revived under certain conditions. This issue occurs when the following conditions are met before the Deactivated N ...
Child Animation Blueprint that inherits a Layer Interface can have the Layer Interface added a second time
UE - Anim - Runtime - Anim Blueprints - Mar 28, 2022Child Animation Blueprint that inherits a Layer Interface can have the Layer Interface added a second time giving the impression changing the layers within the child will override them for the child ...
D3D12 Does Not Correctly Validate Static Uniform Buffers Correctly
UE - Rendering - Architecture - RHI - Feb 12, 2025When adding a Uniform Buffer Struct that has one 4x4 matrix to a mesh pass, validation will fail, due to a Uniform Buffer Struct mismatch. This can be reproduced by adding a mesh pass in project-si ...
Crash When Opening Static Mesh After Enabling Forward Shading And Disabling "Support Stationary Skylight"
UE - Graphics Features - Apr 17, 2017After enabling forward shading and disabling "Support Stationary Skylight" opening a static mesh in the static mesh editor will crash the engine. REGRESSION? Yes Crash Did NOT occur in 4.15.1 CL ...