Text type parameters show the same value after reload in duplicated actor

UE - Gameplay - Blueprint - Jan 4, 2021

Issue occurs in both events and functions. Seems like it's only affecting Text, didn't notice this issue for other variable types. The original actor is working as expected. Only the duplicated one ...

Crash when interacting with an Actor containing an Instanced Static Mesh that is in a Locked level

UE - Editor - Workflow Systems - Mar 30, 2023

This is not a regression. Tested in //UE5/Release-5.1 CL23901901 Editor crashes with an assertion after interaction with an Instance Static Mesh component that is in a locked level. This doesn't af ...

When using a NavModifier with a NavBoundsVolume being in a SubLevel, unloading the level causes a crash.

UE - AI - Jul 19, 2018

When repeatedly loading and unloading sublevels with a NavBoundsVolume, it will cause a crash when using a NavModifierVolume. When the NavMesh is unloaded, it seems that the number of the DirtyLayer ...

Projects crash on Android when trying to load mips

UE - Platform - Mobile - Jan 20, 2017

Projects that are deployed in the Debug configuration crash when trying to load mips on the Android device. I do not see this issue when launching a project onto Android using the Test configuratio ...

Project crashes when auto save completes after copy/pasting emitters multiple times in a system

UE - Niagara - Aug 2, 2018

Project crashes when auto save completes after copy/pasting emitters multiple times in a system Encountered same crash testing Blend_Attributes_System and ExpressionsExample_System. Doesn't seem to ...

Crash when loading TM-MotionControllers in a packaged build

Docs - Samples - Oct 26, 2016

Packaged QA Game crashes when opening "TM-MotionController" This issue did not occur in 4.13 This is also affecting KiteDemo. Cinematic will crash when Editor Content is not included in the packag ...

UMG/Slate scroll bars have a minimum size for scaling

UE - Editor - UI Systems - Mar 14, 2017

A user has reported an issue about scroll bars having a minimum size in UMG and Slate code, causing them to not scale correctly when the scroll box is at a smaller size. This affects both horizontal ...

[CrashReport] Linux crash - FVulkanCommandBufferManager::WaitForCmdBuffer

UE - Graphics Features - Aug 22, 2017

This is a semi-common Linux crash coming out of 4.17.1. It is spread among a few different similar callstack affecting a handful of users. [Link Removed] [Link Removed] [Link Removed] [Link Removed ...

Shader used factories/types/pipelines should be in DDC key

UE - Graphics Features - Jan 31, 2018

A licensee noticed that the ShouldCache types for FLandscapeMaterialResource changed in the 4.18.2 but this did not affect the DDC keys generated. This caused an endless compilation loop where the s ...

Welded grandchildren do not overlap properly when their grandparent is simulating physics

UE - Simulation - Physics - Jun 7, 2018

Grandchildren (C in an attachment hierarchy of A < B < C) that are auto welded have issues related to overlap events when moving via physics. They tend to overlap later than they should. This does n ...