Geometry Collection (GC) fragments are affecting the Navmesh in wrong positions

UE - Simulation - Physics - Destruction - Dec 6, 2024

Geometry Collection (GC) fragments are affecting the Navmesh in wrong positions and the identified cause is wrong indexing. Once a GC breaks, it's fragments, when big enough, are creating islands in ...

Regression: Cannot import Landscape Layer Weightmap along with Heightmap because of broken resolution check for tiled images.

UE - Graphics Tools - Terrain - Jan 30, 2025

When working in the "Landscape" editor mode, in both the "New" and "Import" tools, it is possible to import a single heightmap, as well as a weightmap for each layer. Each of these maps can come fro ...

Splash screen on iOS is stretched

UE - Platform - Mobile - Dec 22, 2015

The splash screen on the iPhone 6s is stretched when loading. Tested alongside the iPhone 5s and the Samsung Galaxy Note 2 for comparison. The stretching only occurs on the 6s. iPhone 6s: 6240_iPho ...

ResavePackages commandlet with -fixupredirects flag won't update asset references on shared collections

UE - Editor - Content Pipeline - Content Browser - Mar 29, 2018

We currently have two methods of fixing up redirectors: the ResavePackages commandlet and the Fix Up option within the editor. While the editor's option correctly handles collections via FAssetFixUp ...

Spin box delta does not show update values correctly

UE - Editor - UI Systems - Dec 29, 2014

When setting the Spin box delta to 1 and the slider exponent to 1 the value of the spine box should go up by 1s. However, the actual value is still retains decimal points and is rounded to show whol ...

Twinmotion hangs when importing an .obj file.

TM - Interoperability - Feb 1, 2024

Reported by client in SF [Link Removed] When importing an obj file, Twinmotion hands during the import. This only occurs in 2023.2.1 and does not occur in the 2023.1.2 version or earlier. Was able ...

Number containers do not correctly parse equations

Tools - Jul 30, 2020

In C++, arithmetic operators * and / have the same priority and therefore should be resolved left to right. In this case, * is being resolved first and / second. 1/128*128 and (1/128)*128 should p ...

With Ray Tracing Enabled And The RenderDoc Plugin Enabled Shadows Don't Render Correctly On Reflective Materials

UE - Graphics Features - Lumen - Jan 23, 2020

When the RenderDoc plugin is installed with raytracing enabled shadows don't render correctly. Found in 4.24.1 CL#10757647 Reproduced in 4.23.1 CL#9631420, 4.25 Main CL#11087956 ...

If CustomNearClippingPlane of UCineCameraComponent changed, it will be reflected in normal CameraComponent as well

UE - Anim - Sequencer - Feb 17, 2023

CustomNearClippingPlane of UCineCameraComponent is new property in 5.1, but if use change this, it will also be reflected in the normal CameraComponent's NearClip. This is because the PerspectiveNe ...

Controller input changes for network players based on which window has focus

UE - Gameplay - Input - May 23, 2016

When testing networked multiplayer with two controllers, if the server window (editor) has focus, controller 1 controls the server character and controller 2 controls the client character. If the c ...