Editor hits Asserts when trying to use debug rendering such as ShowFlag.LODColoration

UE - Rendering Architecture - RHI - Sep 22, 2020

The assert in BasePassRendering.cpp:693 fires, crashing to desktop when using this console command in the editor, in PIE, and closes out the window when playing in Standalone. Does not crash when us ...

C++ Projects Crash in Mac OS 10.11 El Capitan when No Audio Device is Present

UE - Platform - Apple - Dec 22, 2015

This issue has been reported by two different users with very similar circumstances: Both report the editor freezing when trying to compile UE4.10 C++ Projects running Mac OSX 10.11.1 if no audio i ...

Switching a code project created in a source-built Engine to use the binary Engine results in files being deleted from the binary Engine installation

Tools - Nov 18, 2016

If a code project is created in an Engine built from source code, and then it is switched to use a binary Engine installed by the Launcher, building the project in Visual Studio will result in numer ...

Ensure condition failed : loading sublevels containing reflection captures, UpdateAllReflectionCaptures may be called twice

UE - Graphics Features - Apr 1, 2021

If sublevels containing multiple reflection captures are loaded in consecutive ticks and the execution timing of UpdateMaxCubemaps on rendering thread is delayed, UpdateAllReflectionCaptures will be ...

Viewport deselect hotkey no longer works

Tools - Dec 26, 2014

BRANCH: MAIN CHANGELIST: 2374441 PLATFORM: Windows DESCRIPTION: The functionality to use the hotkey to deselect an object in the viewport using the ESC key no longer works in 4.7 without first sel ...

Assert caused by using FText::FromStringTable to initialize a FText property in the constructor of a UStruct based off FTableRowBase

UE - Foundation - Core - Jan 4, 2019

When using FText::FromStringTable to initialize an FText variable in the constructor of an FStruct that inherits from FTableRowBase, an assert is caused due to recursion. The assert is as follows:As ...

Netprofile crashes networked games using Steam

UE - Networking - Jan 5, 2016

Netprofile crashes networked games using Steam with the following assertion: Assertion failed: "Invalid interface for Steam P2P addresses" && 0 [Link Removed] [Line: 72] No Crash Report is submitt ...

Structs cause packaging to fail when Blueprint Nativization Method is set to "Inclusive"

UE - Gameplay - Blueprint - Apr 26, 2017

Structs cause packaging to fail when Blueprint Nativization Method is set to "Inclusive" Note: Appears to be a regression (worked in 4.15.1) Error example: UATHelper: Packaging (Windows (64-bit)) ...

Precompile occurs in Niagara when Standalone is started, increasing load time.

UE - Niagara - Mar 11, 2021

In 4.26.1, if you remove the collision module from NiagaraSystem, the Precompile will not occur. ...

Comments with line wrap cannot be edited within the Blueprint Editor

UE - Gameplay - Blueprint - Jun 25, 2015

Any comment over the allowed number of letters in a line cannot be seen therefore, cannot be edited. ...