App crashes on launch when packaged for Vulkan with Scalable 2D/3D

UE - Platform - Mobile - Nov 4, 2016

No Vulkan SDK was installed Crashed on a Nexus 6P ...

Datasmith Tessellation does not work as operator in the visual dataprep

UE - Editor - Content Pipeline - Visual Dataprep - Aug 18, 2021

Crash in PlayReverse

UE - Anim - Sequencer - Jul 26, 2024

Using Blueprint Interface functions that take other Interfaces as parameters can cause the Editor to crash in PIE mode.

UE - Gameplay - Blueprint - Jan 20, 2015

If a Blueprint Interface function takes other Interfaces as parameters, and a circular dependency is present, the Editor will crash when the interface is called. CRASH REPORT: [Link Removed] CALLS ...

DX12/SM6 Sampler Counts increased for empty materials between 5.1 and 5.2

UE - Rendering Architecture - Materials - May 19, 2023

While not a major issue in and of itself, this can cause considerable headaches for materials where sampler counts in 5.1 were at 15/16 or 16/16 and when upgrading to 5.2 are now exceeding the built ...

When Mobile Deferred Shading, the DBuffer Decal is affected by metallic value

UE - Platform - Mobile - Jul 22, 2021

Use Deferred Shading (r.Mobile.ShadingPath=1) Enable DBuffer Decal All Lights’s mobility is Static Decal Material settings : Material Domain - Deferred DecalBlend Mode - TranslucentDecal Blend Mo ...

values for pinch input produce very different results for same area on android device

UE - Platform - Mobile - Oct 13, 2017

Values for pinch input produce very different results for the same area on an android device. values can range from 0 to 1, or end up in the thousands, despite the pinch distance being the same. It ...

Ensure triggering a gameplay tag that's being redirected

UE - Gameplay - Nov 28, 2016

Ensure occurs when the user triggers a redirected gameplay tag call at runtime. This doesn't seem to occur if the redirect is removed. Test Project: [Link Removed] ...

Crash due to D3D device being lost. (Error: 0x887A0006 - 'HUNG')

UE - Graphics Features - Feb 22, 2017

This JIRA has been made to consolidate all "D3D device being lost. (Error: 0x887A0006 - 'HUNG')" crashes into one. Previous Jira tickets include:[Link Removed][Link Removed][Link Removed][Link Remo ...

Ensure triggering gameplay tag after deleting redirect

UE - Gameplay - Nov 29, 2016

Ensure occurs when the user triggers a redirected gameplay tag after the redirect has been deleted. Similar ensure to [Link Removed]. Test Project: [Link Removed] ...