CameraRig_Rail actor does not show last index for preview mesh

UE - Anim - Sequencer - Feb 19, 2025

Do not show the last index in the preview mesh display of the CameraRig_Rail actor. The reproduction test case generates a ring of rails, but only the last index is not displayed. Recommended Cod ...

Crash from generated Merged Actor with no created lightmap UV

UE - Gameplay - Nov 11, 2016

If you import a static mesh with no setup lightmap and uncheck the option for Generate lightmap UV so that only the UV Channel 0 is present. When you use the Merge Actor tool with a single one of th ...

Sequencer Conditions crash - GarbageCollectionVerification

UE - Anim - Sequencer - Apr 3, 2025

Encountered a crash during the garbage collection phase when using sequencer conditions with subsequence tracks. Specifically, objects appear to break the "Disregard for GC" assumptions. ...

Pixel Depth not Working on Mobile when used with Custom Depth

UE - Platform - Mobile - May 4, 2017

A licensee is reporting incorrect results when using the Pixel Depth expression and Custom Depth. Custom Depth is working fine, but when combined with Pixel Depth the results are quite different fr ...

Double-Clicking a Camera in the World Outliner Causes it to Rotate to Face the Direction in the Viewport

Tools - Sep 24, 2015

Double-clicking on a camera, which normally takes you to its location, also rotates the camera so that it faces whatever direction you were facing in the viewport prior to clicking on the actor in t ...

Crash After Reimporting Static Mesh With Added Material Slot

Tools - Jan 12, 2017

After importing a mesh without any materials assigned, if you add a material slot and save the material. Reimporting this mesh will cause a crash. The only way to avoid this crash is to import a me ...

Switchboard Unable to Launch Multi-User Slate Server in Launcher Builds

UE - Virtual Production - Tools - Switchboard - Jan 14, 2023

Switchboard is unable to launch the Multi-User Slate Server in launcher builds.  This is because the default install location has "Program Files and "Epic Games" in the path (aka folders with spaces ...

IsOverlappingActor is always returning false

UE - Gameplay - Sep 23, 2015

When you use the IsOverlappingActor node to determine whether or not something is overlapping another actor, it returns false regardless of whether or not you're actually overlapping another actor. ...

Android Improved Virtual Keyboard cannot receive non-English characters.

UE - Platform - Mobile - Jun 7, 2017

Currently, Improved virtual keyboard in Android only receives English characters and special characters. Need support for other languages. Investigate the bug and research what's needed to make IME ...

Path Tracing denoiser is not stable in animation

UE - Graphics Features - Nov 30, 2021

When rendering an animation with the path tracer through MovieRenderQueue, at low sampling rates the denoiser produces splotchy results that flicker from frame to frame. The current denoiser (Ope ...