Control Rig parameters don't function in the AnimBP after the Editor restarts

UE - Anim - Rigging - Control Rig - Jun 14, 2020

Control Rig parameters don't function after editor restarts. Also the default values don't function and you need to use an input instead of directly editing the values of the pins. You can work aro ...

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

UE - 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 ...

Crash when opening a project with Renderdoc plugin enabled while renderdoc is installed on the machine

UE - Graphics Features - Oct 6, 2020

-The editor will crash when opening a project with the Renderdoc Plugin enabled while the user has Renderdoc installed on their machine. Uninstalling Renderdoc allows the project to open without cra ...

Crash when Changing LOD Group on SpeedTree Assets

UE - LD & Modeling - Modeling Tools - Mesh Editing - Nov 22, 2016

A crash occurs when changing/setting the LOD Group of a SpeedTree asset within the Static Mesh editor. Regression? Yes, this crash does not occur in the 4.13.2 binary release. ...

ContentExamples PhysicalAnimation hit reaction example does not react

Docs - Samples - Aug 11, 2015

The Hit Reaction Physics Animation Blending example in the ContentExamples PhysicalAnimation map does not react to being clicked on. REGRESSION: Yes Worked: 4.8.3. Binary Broken: 2647674 ...

Crash When Material is Set to Deferred Decal with Emissive Decal Blend Mode and Forward Shading Enabled

UE - Graphics Features - Jan 25, 2019

When Forward Shading is enabled, if you create a material with their properties setup with the following:   Material Domain: Deferred Decal - Blend Mode: Translucent - Decal Blend Mode: Emissive T ...

Crash in persona editor when set postprocess animinstance using Linked Layer Anim to skeletal mesh

UE - Anim - Runtime - Anim Blueprints - Aug 29, 2023

Crash when set PostProcessAnimBlueprint in persona editor. Related to [Link Removed], [Link Removed]. ...

FIntVector has some code that refers to it being two dimensonal

UE - Gameplay - Mar 10, 2016

There is code in the FIntVector class (IntVector.h) that seems to be copied from the FIntRect class which is a problem since FIntRect is two dimensonal while FIntVector is three dimensional. The one ...

Rendering Offscreen Using Non-Fullscreen View Creates Black Border

UE - Graphics Features - Apr 25, 2018

Issue has been observed in 4.19.1 from EGL and Main CL 4027311. Per licensee: We recently switched from UE 4.18 to 4.19, and noticed several issues when doing offscreen rendering. To illustrate th ...

Pawn Velocity dramatically different on server and client with Client Authoritative Position

UE - Gameplay - Sep 28, 2018

The server is not seeing the correct walking animations on each of the clients and after doing some digging, we found that the Pawn->GetVelocity() function is returning something drastically smaller ...