Spawn Emitter At Location is not available in an Object Blueprint

UE - Gameplay - Blueprint - Feb 4, 2015

Spawn Emitter At Location is no longer an available node in an Object Blueprint. It was available in 4.6.1 but is not in 4.7 or 4.8. Spawn Emitter Attached is still available in an Object BP. Teste ...

Renaming a struct variable with special characters shows no warning

UE - Gameplay - Blueprint - Sep 23, 2015

When you go to rename a struct variable, there are no warnings that indicate that you cannot use special characters, but they are immediately deleted if you try to use them in the variable name. F ...

Multiple overlapping reflection captures cause graphical artifact on Mac

UE - Graphics Features - Dec 16, 2016

There are tiled artifacts that appear on Mac Sierra when reflection captures overlap. Tested with Asset #3595 MacOS Sierra Version: 10.12.1 NVIDIA GeForce GT 750M Driver: 367.15.10.05f01 ...

Editable Text Box crashes game on iOS

UE - Platform - Mobile - Jan 12, 2015

Clicking on an Editable text box on a mobile device will causing the project to crash on the device. Tested on an iPad Air 2 (8.1) The crash does not occur on Android. Log files are from xcode ...

Can't set Event replication settings when delegate output pin is connected

UE - Gameplay - Blueprint Editor - Feb 19, 2018

User Reported Bug Replication Settings no longer editable after event delegate is connected. Doesn't seem to affect functionality, only UI. (replication settings stay as set before plugging delega ...

Axis changes when performing FBX import / export with "Force Front X Axis" enabled

UE - Editor - Content Pipeline - Import and Export - Jan 6, 2020

1. Import the attached test.FBX with "Force Front X Axis" enabled. 2. Export the imported skeletal mesh with "Force Front X Axis" enabled. (Test_export.FBX) 3. The axis does not match in test.FBX an ...

SceneCaptureComponent2D leaks a ton of memory in a Packaged Build

UE - Virtual Production - Mar 12, 2020

This was initially reported in VR but the leak happens in a non-VR setup and environment. GPU utilization jumps to 84% in 4.23.1 and 98%+ in 4.24.3, 4.25, and 4.26. Tested GPUs were GTX 980 and GTX ...

Clicking the Yellow Reset to Defaults Button on an exposed Value for struct Arrays always defaults to '0'

UE - Gameplay - Blueprint - Jan 8, 2015

When using the track builder plugin, the default settings for the track width starts at 1. However, when the yellow arrow is clicked to to restore the track back to default it sets it to zero instea ...

Scratch Pad outputting Audio Spectrum triggers a crash

UE - Niagara - Jun 14, 2023

This is a regression. Tested in //UE5/Release-5.1 CL23901901 The editor crashes after playing in editor when the level contains a niagara system with a scratch pad outputing audio spectrum. ...

Collision of child actor doesn't rotate if the parent is simulating physics

UE - Simulation - Physics - Aug 11, 2015

Collision of child actor doesn't rotate if the parent is simulating physics. This was an old bug that an AnswerHub user reported back in 4.9 but now a licensee is reporting this same behavior in 4.1 ...