Audio from iOS is muted after having responds from siri.

UE - Platform - Mobile - Sep 10, 2020

User cannot hear sound after siri's respond when playing the app. When user go home screen then back to the app, then the user can hear the sound. This is related to [Link Removed] but this tick ...

Camera Position node does not work with Light Functions

UE - Rendering - Sep 9, 2020

When a Light Function material is applied to a light source, and after using a camera position node and plugging that node into the Emissive Color option there is no light being emitted from the lig ...

Crash editing Transition Logic after deleting State and Transition in State Machine

UE - Anim - Runtime - Anim Blueprints - Sep 8, 2020

Attempting to click on a node in a Transition Logic that has been opened in a new tab will cause a crash when the correlating State node and it's transition have been deleted from the State Machine. ...

Volumetric Translucent Shadow not showing in game mode

UE - Rendering - Sep 8, 2020

Volumetric Translucent Shadow not showing in game mode for versions 4.23-4.25.  Reported and tested in versions 4.25.3(CL 13942748), 4.24.3(CL 11590370), 4.23.1(CL 9631420), 4.22.3(CL 7053642). Wor ...

Specular reflections break when using Forward Shading

UE - Rendering - Sep 3, 2020

Forward Shading under 4.25.3 seems to break something in the Hair shading model. Default Lit seems to behave normally. Reported and tested in 4.25.3(CL 13942748). ...

Cascade velocity aligned particles jitter when "use local space" is enabled

UE - Rendering - Niagara - Sep 2, 2020

Sprites in a particle system flicker/shake when use local space is combined with small velocity values and velocity aligned sprites. Reported and tested in versions 4.25.3(CL 13942748), 4.24.3(CL 1 ...

Intellisense autofill not working when including files using quotations

UE - Foundation - Cpp Tools - UnrealBuildTool - Sep 2, 2020

Intellisense does not try and autofill included files when using quotation marks. ...

Volumetric Material not compiling on Niagara Mesh Renderer

UE - Rendering - Niagara - Sep 1, 2020

The Volumetric Shader seems broken when used along the Niagara Mesh Renderer. Reported and tested in version 4.25.3(CL 13942748). Tested with same result in version 4.24.3(CL 11590370). ...

Gamepad "A" and directional-pad keys are not detected

UE - Editor - UI Systems - Aug 31, 2020

Gamepad "A" and directional-pad keys are not detected when used within a sub widget. Test project link: [Link Removed] ...

Lighting channels on static mesh doesn't change correctly at runtime

UE - Rendering - Aug 28, 2020

If call SetLightingChannels in blueprint to set a static mesh's lighting channels at runtime, the mesh in the viewport seems can't update to the new lighting channel setting.  A weird thing is, if ...