Crash on UObject::ProcessEvent after 4.7 update

UE - Editor - UI Systems - Feb 27, 2015

Crash Report [Link Removed] Bugg 38910 After updating project from 4.6.1 to 4.7, user experiences unexplained crash when playing in editor. *In addtion to the crash report, the user provides a lot ...

Inconsistance Line Trace behavior

UE - Simulation - Physics - Dec 22, 2016

Line trace component appears to return a hit result even when the trace should not have had anything to hit. Attached project shows line trace start & end points. Even when the trace doesn't overla ...

Engine crash from opening level bounds blueprint after project reopens

UE - Gameplay - Blueprint - Jun 2, 2017

There is a crash that is occurring when a blueprint with the parent of "Level Bounds". The crash occurs when the project is closed and reopened. Opening the blueprint immediately after it was create ...

Go To Definition fails quietly for Native functions with no definitions

UE - Gameplay - Blueprint Editor - Aug 11, 2017

Go To Definition fails for Set and Map Utility nodes (does not seem to affect Arrays). A warning similar to the following appears in the output log:LogSelectionDetails: Warning: NavigateToFunctionS ...

MS_VertexAnimationTools_MorphTargets are not deforming and reforming

UE - Graphics Features - Sep 20, 2017

The Material should be contracting and expanding if it is working correctly, but after version 4.16 it is not. Instead it is solid in appearance in the material editor viewport. Below I have linked ...

Project fails to build for iOS from Windows when Generate .uedebugsymbols is enabled

UE - Platform - Mobile - Jan 9, 2018

This does not occur in 4.18.3 at CL 3823254UATHelper: Packaging (iOS): ERROR: System.IO.DirectoryNotFoundException: Could not find a part of the path 'D:\Epic Games\UE_4.19\Engine\Binaries\ThirdPa ...

Primitive Render Mode has bad enum name and tooltip

UE - Graphics Features - Jan 17, 2018

There is an extra option for the Planar Reflections with the Primitive Render Mode that appears to have the tooltip legacy. This issue does not appear to be a regression. Versions Tested: Issue occ ...

Material Set to Additive Blend Mode Does Not Render Correctly in Planar Reflections

UE - Graphics Features - May 2, 2018

This behavior has been observed in 4.17, 4.18, and 4.19 release versions. Per Licensee: In our game they player's hands are represented by glowing blue orbs and in planar reflection surfaces they ...

Dynamic Shadow Distance only working for values below 20000 on translucent materials

UE - Graphics Features - May 31, 2018

The dynamic shadow distance movable light setting is only working for values below 20000 on translucent materials. The shadow cast on the translucent material will fade out long before the opaque ma ...

Point lights with source length building static or stationary lighting will build incorrect shadows on movable objects

UE - Graphics Features - Lumen - Jun 12, 2018

Adding source length to a point light that is set to stationary or static will cause shadows to build incorrectly on movable objects. Working as expected in 4.18 CL# 3832480 Found in 4.19 CL# 4033 ...