Unreal Engine Issues
Unreal Engine Issues
Live Link Face does NOT launch Take Recorder automatically if press red Record button
UE - Virtual Production - IO - LiveLink - Jul 31, 2020As you can see below, users expect to launch Take Recorder from the Live Link Face app, but it doesn't actually work.When you're ready to record a performance, tap the red Record button in the Liv ...
Mutable custom versioning issue from 5.5->5.6
UE - Anim - Mutable - Sep 19, 2025In 5.6, a handful of new entries in `FCustomizableObjectCustomVersion` were added, including `SetDisplayNamePropertyAsPinNameOfTableNodes`. Looking back at the history, `SetDisplayNamePropertyAsPinN ...
Asset players in LinkedAnimInstances are ticked twice when a PostProcessAnimInstance is present
OLD - Anim - Apr 14, 2020Reported here: https://udn.unrealengine.com/questions/569091/animation-playrate-in-linkedanimgraph.html I tested with a downloaded copy of 4.24. It looks like this would also happen in 4.25 though. ...
Add support for motion data on SteamDeck (Steam Controller plugin)
UE - Gameplay - Input - Mar 7, 2025We have a UDN user with a proposed change: https://udn.unrealengine.com/s/question/0D5QP00000yo70w0AA/add-support-for-gyro-motion-data-to-steam-controller-plugin?fromCase=1 Hi, we were adding gyr ...
Recompiling blueprint actor in hidden sublevel, after reloading main level, detaches all its child actors
UE - World Creation - Worldbuilding Tools - Jan 4, 2023Reproduced 3/3 times, issue also occurs in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed NOT a Regression. The repro steps are very specific for this; the core issue being that once the top lev ...
Exported Morph target Animation sequences behaves differently in Max or Maya vs in UE4
UE - Editor - Content Pipeline - Import and Export - Sep 2, 2019After invested, noticed that the exported morph target animation generated two separated Morph Modifier for each individual Morph Target in Max to achieve the final result instead of using only one ...
Significant hitch occurs when invoking ApplySettings on a UGameUserSettings object
UE - Rendering - Graphics Features - Jun 18, 2025Calling the ApplySettings method on a UGameUserSettings object results in a noticeable hitch, with severity proportional to the number of primitive components present in the scene. This hitch stems ...
Motion Controller tracking appears to be offset with the Vive while moving
UE - Platform - XR - Jan 10, 2017The tracking for objects that are attached to a Motion Controller appear to be offset when the pawn is moving. The object appears to become offset and appears to orbit around its original position. ...
Unable to open Unreal Engine after cleaning project in XCode
UE - Platform - Apple - Aug 31, 2020When I have the Epic Games Launcher open as I clean the Xcode project, the top right button will still read "Launch." Clicking on it after the Xcode project is finished cleaning causes the following ...
lots of wasted Volumetric lightmap samples
UE - Graphics Features - Lumen - Jun 20, 2019Expectations: The samples should only surround the lightmass importance volumes. Imagine if we build a 8K*8K map with lightmap importance volume at the corners of the map, even using stream levels ...