Crash occurs on iOS app with Google VR enabled when selecting Switch

UE - Platform - XR - Jan 27, 2017

Found this while updating [Link Removed]. When selecting SWITCH or selecting the Gear icon and selecting Switch viewer: Default Cardboard, the app crashes. ...

Inconsistent rendering between left and right eye when r.SeparateTranslucencyScreenPercentage is less than 100

UE - Platform - XR - Feb 21, 2017

Rendering appears to be inconsistent between the left and right eye of the oculus when setting r.SeparateTranslucencyScreenPercentage to a number below 100 (99 in this example) ...

Engine Scalability view distance settings are not being reflected accurately in the viewport

UE - Graphics Features - Jan 30, 2017

The foliage in the map appears to be unaffected by the changes in view distance. The scalability settings are changing the cvars to the right values but the change is not being reflected on screen ...

DeltaTime returns inaccurate time when Tick Interval is positive

UE - Gameplay - May 30, 2017

When disabling/enabling tick at runtime, if (TickInterval == 0) then DeltaTime returns as the length of a frame, but if (TickInterval > 0) DeltaTime returns as the length between when tick was disab ...

Stationary and Movable Skylight with reflection captures in Forward Rendering have inverted capture for geometry

UE - Graphics Features - Oct 25, 2016

When using a Stationary or Movable Skylight with some reflection captures that are not using the High Quality Reflections (material setting) will have what appears to be an inverted mask for the ref ...

Typo in water body ocean materials parameter

UE - Graphics Tools - Terrain - Water - Nov 18, 2021

In Water_Material_Ocean material, there is a typo under FluidSimulation that says "Siulation Flowmap Speed" This is not a regression due to it occurring in 4.26.2. ...

Renaming native struct with redirect can break user defined structs

UE - Gameplay - Blueprint - Jul 18, 2018

From https://udn.unrealengine.com/questions/444690/redirecting-ustruct-used-as-member-of-userdefineds.html In 4.20 it was changed so soft object ptrs pointing to classes work correclty with +ClassR ...

Reimporting a static mesh will reset Static Mesh Collision Presets

UE - Editor - Content Pipeline - Import and Export - Jun 20, 2016

Collision presets are reset when reimported for any static mesh. If importing and overwriting the original mesh I would expect these to be wiped but when reimporting an updated version of the mesh I ...

PCG - BiomeSample level crashes when opened with Instanced Stereo enabled

UE - World Creation - Procedural Tools - PCG Component - Oct 29, 2025

When the user attempts to open the Biome Sample Level with Instanced Stereo enabled, the editor crashes with a fatal error: Fatal error: [File:D:\build\++UE5\Sync\Engine\Source\Runtime\RHI\Private\P ...

Wires to PCG nodes with translated properties are cut

UE - World Creation - Procedural Tools - PCG Graph - Apr 19, 2024

Some PCG nodes have translated properties, which will cause wires to be cut. This is why things PCG biome sample maps do not work correctly in CJK language settings. The workaround is to set the lan ...