Crash when updating phsyics simulated box extent during runtime

UE - Simulation - Physics - May 12, 2017

If a Box Collision component is set to simulate physics, calling "Set Box Extent" causes the editor to crash. Workaround: Setting Collision Enabled for the box component to "Physics Only" or "Query ...

UV merging issue when merging meshes with multiple materials

UE - LD & Modeling - Modeling Tools - Mesh Editing - Jul 15, 2019

See https://udn.unrealengine.com/questions/505632/view.html for more details Repro: -Have a mesh with 3 sections and 3 materials, assign section 1 to material 1 and section 2&3 to material 3. -Pla ...

Editor crashes on launch after hot reload with multiple modules

Tools - Feb 16, 2017

The editor will crash on open after a hot reload if there are multiple modules in the project. Regression: No - behavior also occurs on 4.14.3 (CL 3249277) Workaround: Compiling with the editor clo ...

Servers are not visible to clients in ShooterGame with LAN off

UE - Networking - Jan 17, 2017

Server are not visible to clients in ShooterGame when the LAN is set to off. This occurs on all native platforms when trying to connect to each other when the LAN is off. REGRESSION: Yes Worked: 4 ...

Enabling "Show Only Modified Properties" causes details panel menu to disappear

Tools - Feb 27, 2017

Enabling "Show Only Modified Properties" causes details panel menu to disappear. Only occurs on actors/components with no modified properties. Regression: YES Worked: 3249277 (4.14.3) Broken: ...

Disabling Gear VR plugin causes packaged game to crash on launch

UE - Platform - XR - May 30, 2017

Disabling the Gear VR plugin causes packaged games to crash on launch. This could be related to [Link Removed] but this is new to 4.16 and does not prevent packaging the project, only launching it a ...

UUserWidget::SetPositionInViewport does not function as intended

UE - Editor - UI Systems - Oct 15, 2018

The Set Position in Viewport node does affect UserWidgets position. It keeps it 4.19.2 (CL - 4033788), 4.20.3 (CL - 4369336), 4.21  (CL - 4465720), 4.22 (CL - 44654877) ...

Low fps on Linux when tooltip window appears

UE - Platform - Linux - Jan 14, 2016

Hovering the mouse over an asset/menu option that produces a tooltip window, the fps will drop while the tooltip is visible. Reported using Mint Cinnamon 17.3 Internal machine uses Ubuntu 15.10 and ...

Packaging a Project with Blueprint Nativization Requires Crash Reporter Client to be Build for Shipping

UE - Gameplay - Blueprint Runtime - Feb 16, 2017

Packaging a project in 4.15 from Github will fail if you don't have Crash Reporter Client built for Shipping. If no Nativization options are enabled, it packages fine, without having to build CRC. ...

Deleting curve from Pose Asset sets mesh back to default pose

OLD - Anim - Apr 14, 2017

REGRESSION: Yes. Issue occurs in 4.15, but does not occur in 4.14.3 When the user deletes a curve from a pose asset, the mesh will revert to default pose, even if it was showing a pose. The Pose' ...