Packaging fails if a Blueprint is set to be nativized but it is not included in a level

UE - Gameplay - Blueprint Runtime - Apr 6, 2017

Packaging a project will fail if a Blueprint is set to be nativized and that Blueprint is not included in a level. REGRESSION: Yes. The project packages successfully in 4.15. ...

The Niagara Staticmesh data interface node Random Tri Coords doesn't respect Emitter's Deterministic Settings

UE - Niagara - Aug 11, 2021

From UDN: We are using the Cascade particle system and we want to render the same scene with multiple cameras, so multiple renders are required. In order to ensure that the result of the particle s ...

Granular Synth Component does not generate sound on non-Force Inline assets

UE - Audio - Mar 7, 2022

Granular Synth Component is not generating a sound as it previously did. ...

Chaos Vehicle does not make them CCD

UE - Simulation - Core - Jan 10, 2024

AWheeledVehiclePawn class tries to use CCD in the constructor, but Mesh->BodyInstance.bUseCCD = true this code does not work to activate CCD because Physics Assets could not be available at this ...

Unable to Import Sockets and LODs together for Static Meshes

Tools - Nov 6, 2015

When importing a Static Mesh into UE4 that is using the SOCKET_ naming, and is part of a Level of Detail set, the socket is discarded. If the Level of Detail set is removed from the Static Mesh, t ...

Adding a camera to a subsequence through scripting creates the binding in the incorrect binding space

UE - Anim - Sequencer - Jan 27, 2020

Sequencer scripting creates all binding IDs in the root binding space, so when the bindings exist in sub sequences and shots, they will not resolve unless those are opened through the sequence that ...

AMD GPU crash with "Video memory has been exhausted" error when increasing the World Partition world and using Water Body Ocean

UE - Graphics Tools - Terrain - Landscape - Dec 8, 2022

Current steps describe the problem related to "Video memory has been exhausted (#### MB over budget). Expect extremely poor performance" on the AMD video card. In this case, the steps cause the GPU ...

Hot reload does not update Enum entries

UE - Gameplay - Blueprint - Oct 13, 2015

Performing a hot reload after updating an Enum will not reflect the update until the editor is closed/reopened. UPDATE (8/23/17): Restarting the editor dose not immediately update the enum. When ...

Subtitle settings are ignored after editor restart

UE - Editor - UI Systems - Localization - Nov 11, 2016

If the Subtitles Enabled setting is set to false, subtitles will still display after restarting the editor regardless of Subtitles Forced Off setting. ...

Unexpected behavior resulting from overlapping or touching physics actors when Simulate Physics is enabled through input

UE - Simulation - Physics - Sep 21, 2015

Weird behavior occurs when toggling Simulate Physics on physics actors by input instead of on BeginPlay. Multiple odd behaviors are present such as touching physics actors ignoring collision. Test ...