Incorrect shadow on movable objects with ES3.1

UE - Platform - Mobile - Jan 10, 2020

While in ES 3.1 - lighting on movable meshes from static directional light appears to be rotated 90 degrees. The direction of light on movable mesh, both static mesh and skeletal mesh, doesn't match ...

Event Tick is not running once packaged

UE - Gameplay - Components - Jul 20, 2015

Event Tick works when it's running on Windows however once it's packaged or even launched onto all platforms, the event tick does not work as anticipated. This happens on all platforms. *Project ca ...

ContentExamples: Volumes Example 1.9 There is an extra space between "Causing" and "Event"

Docs - Samples - Jan 19, 2017

In Display 1.9, there is an extra space between Causing and Event ...

Sequence with Override Instance Data enabled and a SubShot will accumulate the TransformOrigin Location wrongly and overshoot the expected end position

UE - Anim - Sequencer - Mar 28, 2025

A Sequence with Override Instance Data enabled and a SubShot will accumulate the TransformOrigin Location wrongly and overshoot the expected end position. The licensee has encountered a particular s ...

ILC/VLM doesn't affect Static Staticmesh at all on Mobile

UE - Platform - Mobile - Sep 23, 2019

In practice, developer wants some Static-Staticmesh actors don't build lightmaps to save iteration time as well as Memory and Package size; but still want lit by Indirect lightings ...

Objects with Translucent Blend Mode Material Aren't Affected by Refraction

UE - Graphics Features - Feb 16, 2018

There is an issue occurring where Objects with Translucent Blend Mode Material Aren't Affected by Refraction. This affects any translucent material regardless of the translucent materials settings. ...

Replicated components spawned by CreateComponentOnInstance are broken by object reuse

UE - Gameplay - Apr 5, 2023

When the gameplay framework component manager creates components as part of CreateComponentOnInstance, it passes in the requested class name as the literal name of the component instead of using the ...

Reducing Resolution Scale affects Selection Accuracy in Viewport

UE - Graphics Features - Nov 17, 2015

When reducing the Resolution Scale the selection accuracy is reduced greatly, and makes it difficult to click and move objects in the viewport when PIE or Simulating. ...

Game Controller Input affects editor input fields

Tools - Jun 30, 2015

The joystick on a game controller input will take focus away from what you're working on if the joystick is moved or set in an odd position. ...

Light Propagation Volumes Not Affected by Emissive Area Light

UE - Graphics Features - Aug 1, 2018

The light propagation volume is not affected by a material with emissive area light enabled. Found in 4.19 CL# 4033788, 4.20 CL# 4233996, 4.21 CL# 4246589 ...