Camera modifier blueprint used in another blueprint crashes editor (Assert failed in edit condition code in details panel)

Tools - Oct 14, 2019

Changing the default values inside of a camera modifier blueprint when referencing it in another blueprint results in a crash. Tested in 4.21, 4.22, 4.23 and 4.24 ...

If you add a cluster to another level to create HLOD and open a hierarchical outliner at the original level, the original level crashes.

UE - World Creation - Worldbuilding Tools - HLOD - Feb 28, 2018

Please check the attached file. https://udn.unrealengine.com/questions/417308/hlod-%E3%82%92%E4%BD%9C%E6%88%90%E3%81%99%E3%82%8B%E3%81%9F%E3%82%81%E3%81%AE%E5%88%A5%E3%83%AC%E3%83%98%E3%83%AB%E3% ...

Ensures for Pixel and Vertex Shaders occur when running TM-ShaderModels with -onethread

UE - Graphics Features - Jan 20, 2017

Two ensures fire when opening the TM-ShaderModels Map in QAGame with the -onethread argument. The callstacks look identical with the exception that one is for a pixel shader and the other is for a v ...

[CrashReport]UnrealEditor-Core!FNamedTaskThread::ProcessTasksNamedThread(int,bool) [TaskGraph.cpp:760]

UE - Graphics Features - Feb 13, 2023

Generated from CrashReporter ...

Starting 2 editors with remote control plugin enabled will impact performance

UE - Virtual Production - IO - RemoteControl - Dec 16, 2024

Launching a second editor with the websocket server enabled will try to bind to the same address as the first editor, and since the websocket server is running in the game thread, it will block the ...

Crash in UPCGComponent::CleanupLocalImmediate(bool,bool) on file load

TM - Rendering - May 30, 2025

Reported in SF [Link Removed] User has a file that will crash at launch consistently. Crash report indicates the problem is with PCG content inside the file. ...

Fbx Importer: Need to clamp incoming vertex color

UE - Editor - Content Pipeline - Import and Export - Jan 30, 2023

Assert when toggling RHIThread

UE - Rendering Architecture - RHI - Oct 12, 2023

Saving Level changes the Rotation of actors with parent-child relationships

UE - Gameplay - Components - Nov 14, 2019

According to the licensee report, UnrealMath.cpp (588) constfloat SINGULARITY_THRESHOLD = 0.4999995f; It seems that this can be avoided by changing the above value. However, changing SINGU ...

FCPXML export is off by one frame

UE - Anim - Sequencer - Feb 10, 2021

It looks like FCPXML is off by one frame for the MRQ export. For the old movie scene capture tool, it appears correct. ...