Blueprints copied or moved to another level do not retain variable references to other Actors that are also copied or moved

UE - Gameplay - Blueprint - Apr 17, 2015

Blueprints copied or moved to another level do not retain variable references to other Actors that are also copied or moved. Reproduced in 4.7.5 binary and Main (//depot/UE4/Promotable-CL-2507843) ...

Blueprint navmesh modifier does not update navmesh in level

UE - AI - Jun 21, 2015

CrashReporter: [Link Removed] The Navmesh Modifier Component in blueprints does not properly update a levels navmesh. ...

GPU Particle Freeze in Fullscreen PIE when Combined with Widget Blueprint using any Widget Element

UE - Graphics Features - Jun 27, 2016

Certain particle systems freeze when rendered in Fullscreen mode during PIE with Text Block added within Widget Blueprint. From what I could tell it is the GPU particles that are freezing. Note I n ...

Media Player assets do not play in packaged games or in standalone

Tools - Mar 8, 2016

Media Players and their associated textures do not render in standalone game or in a packaged project. Found on: //UE4/Release-4.11 CL-2897738 Checked 4.9.2 Binary from launcher, issue occurs ther ...

Application is crashing on the HTC One when UMG is used in the project

UE - Platform - Mobile - Jan 26, 2015

If you include UMG in your project and deploy to an HTC One, the project will crash on the device. Tested this on multiple devices (Galaxy S5, HTC One, NVIDIA Sheild tablet) Monitor logs are atta ...

Calling a function that returns TWeakObjectPtr in blueprints causes crash

UE - Gameplay - Blueprint - Mar 20, 2015

Calling a code defined function in blueprints that returns a TWeakObjectPtr causes a crash. ...

[Reverb][Regression] - The Reverb Effect in World Settings Does Not Update When Loading New Levels

UE - Audio - Mar 12, 2021

When loading a new level via the Open Level node in Blueprints, the World Settings do not update the Applied Reverb Effect. When trying to reproduce the issue in 4.25.4, issue did not occur (the r ...

Override Game Mode in Media Render Queue does not work properly

UE - Anim - Sequencer - Jun 21, 2021

This problem behaves differently between Local and Remote Render when Game Mode is set in Override. ...

Scene Capture 2D Generates Artifacts with Orthographic Projection of Nanite Mesh on Plane

UE - Graphics Features - Nanite - Apr 5, 2022

Occurs 5/5 times: The Scene Capture 2D camera displays artifacts when the projection is set to Orthographic and a nanite mesh is projected on the Scene Capture 2D plane. ...

Editor crashes when keying a frame to an Animation from Pose with Appended Frames

UE - Anim - Runtime - May 17, 2022

This is a regression. Tested in //UE4/Release-4.27 CL18319896 Editor crashes when keying a frame to an Animation from Pose with Appended Frames. ...