The IOS Third Party library Bolts has an incorrect file name in its Build.cs file

UE - Platform - Mobile - Dec 11, 2015

The Bolts library is not correctly linked in its Build.cs file. The Build.cs file contains the following line with an incorrect file name: PublicAdditionalShadowFiles.Add(LibDir + "/Bolts.a"); The ...

Editor Crashes When Count on Mid Node is Less Than 0

UE - Gameplay - Dec 29, 2016

The editor crashes when the Count parameter passed into the Mid function is < 0. There is an assertion check(Count >= 0); in FString Mid in UnrealString.h, but an error message would be expected ...

Out of date info and typo in comments for DDC in BaseEngine.ini

UE - Foundation - Core - Jan 25, 2017

In BaseEngine.ini,Comment says "DerivedDataBackendGraph is the default graph" - this information needs to be updated to mention that launcher installs of the engine would use "InstalledDerivedDataB ...

RawDataCurve is still saved in cooked builds even though it isn't needed

OLD - Anim - Oct 27, 2016

RawDataCurve is still saved in cooked builds even though it isn't needed ...

Failed check() when placing large numbers in to a From Seconds node and print them to the screen

UE - Gameplay - Blueprint - Apr 10, 2017

Crash when placing a number >= 922337181697 in to a From Seconds node and print them to the screen ...

Collapsed component hierarchy expands when placing component in Widget Hierarchy panel

UE - Editor - UI Systems - May 17, 2017

A collapsed component hierarchy expands when placing a component in Widget Hierarchy panel. This issue seems similar in nature to [Link Removed], but the test case for this issue id different, and f ...

Unable to build a local installed build of the Engine with only VS 2017

UE - Foundation - Core - Oct 17, 2017

I was unable to reproduce this locally, but a licensee reported having trouble creating a local installed build of the Engine with only Visual Studio 2017 installed. The licensee reported that the S ...

Spinbox displays values that differ from the value of the delta

UE - Editor - UI Systems - Nov 1, 2017

Spinbox displays values that differ from the value of the delta, when values are displayed for a spinbox their value always reads in the 0.000001 values, instead of listening to the delta. Unsure if ...

LOD distance does not match between StaticMesh and SkeletalMesh

UE - Rendering Architecture - RHI - Nov 26, 2019

[Feature Request] Validate resource lifetimes in Mesh Draw Commands to help debug dangling pointers.

UE - Graphics Features - Nov 22, 2019

Mesh draw commands don't hold strong references to resources. When caching mesh draw commands, their lifetimes can match the parent scene proxy, which can be very long. This increases the chance tha ...