Crash in FObjectReplicator::StartReplicating when removing replicated uproperty and hot reloading with two players

UE - Networking - May 10, 2016

The editor crashes when the user removes the replicated uproperty from a variable and tries to hot reload while a PIE session with two players is still active. This issue was found while trying to ...

Equals (==) node in blueprint is case sensitive for the Cyrillic alphabet

UE - Foundation - Core - May 21, 2015

If two strings or names are compared in blueprint using the Equals (==) node, it is not case sensitive in English. It is case sensitive in Cyrillic however, even though it should be the same functio ...

Cannot generate a callstack from the user's dll

UE - Foundation - Core - May 26, 2015

The dumplogs and any other logs requested from this user are listed within this AnswerHub post. I do have the DMP logs currently on my PC if you're unable to download them, they're 1.9GB Jarek S. h ...

Physics objects will bounce unrealistically just before coming to rest

OLD - Anim - Jun 5, 2017

Physics objects will bounce unrealistically just before coming to rest. This is most noticeable with the large cube in the 1st Person template project. It also happens with the smaller cubes but not ...

Shadow flicker with dynamic lighting at low cascade levels when FOV changes

UE - Graphics Features - Sep 1, 2017

When using low shadow settings there is a flicker that occurs when changing a camera FOV, the flicker will end as soon as the FOV has finished adjusting to the new FOV. This can occur when:Using a ...

Lightmaps on Mobile Devices Appear Dirty and Blurry

UE - Platform - Mobile - Nov 28, 2017

When deploying project to a mobile device, the quality of the baked lighting and shadows becomes very poor compared to "Mobile Preview." Lightmaps appear dirty and blurry, with splotches (As shown i ...

CaptureEveryFrame=False Produces Green Capture in Packaged Game

UE - Graphics Features - Dec 8, 2017

When setting a SceneCapture with Capture Every Frame set to False, the capture will appear bright green in Packaged project. It captures as expected in editor/ PIE, and also works fine if Capture Ev ...

Translucent User Interface materials do not have a thumbnail preview

Tools - Feb 15, 2018

Translucent User Interface materials do not have a thumbnail preview. I do not see this issue with Translucent Surface materials. REGRESSION: No, this issue also occurs as far back as 4.17.2 ...

UE Editor 5.3 - Level Viewport - Unlocalized Issues

UE - Editor - Jun 23, 2023

How to Reproduce: 1. Open Editor 5.3 (ReltestB) in Localized version (culture= ) 2. Click on the "show" icon in the level viewport 3. Navigate to the following locations in the Show menu and observ ...

Inconsistent texture loading issue within material editor

UE - Rendering - Architecture - Materials - Jul 16, 2025

A licensee has reached out via EPS about a texture loading issue they are having in-editor. I summarized the most important points below:The issue relates to texture load failure associated with mat ...