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 - Physics - 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 ...

Simulate Physics with Destructible that is using World Support can't be enabled after it's been hit.

UE - Simulation - Physics - Destruction - Apr 22, 2015

When using a Destructible with World Support set simulate physics can be enabled so long as the DM has not been hit yet. Once it's been hit it no long is able to be set to simulate. ...

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 ...

Setting linear dampening during runtime via the event graph does not work for separated chunks

UE - Simulation - Physics - Destruction - Dec 18, 2014

DESCRIPTION: When using a DM in blueprints and setting the linear dampening in the event graph the DM will honor the linear dampening but the chunks as they break off will not. Setting the mesh to ...

Extremely long Spline Point will cause the editor to lose FPS

Tools - Nov 13, 2015

Extremely long Spline Point will cause the editor to lose FPS and crash some machines User Description: A couple of times I've accidentally scaled a spline node to be huge, causing the spline to ...

Controller::GetPawn() returns NULL in 4.9

UE - Gameplay - Sep 3, 2015

Making a call to GetPawn in an AIController class will return NULL which will crash when that return value is used. This is a regression as the call is made successfully in 4.8.3. Working CL: Work ...

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 ...