Unreal Engine Issues
Unreal Engine Issues
Awakening an actor and calling TearOff in the same frame discards the awaken request
UE - Networking - Mar 15, 2019When a dormant actor gets reawakened and we call TearOff on it, we could expect the actor to get replicated before being TornOff. When these two changes are done on the same frame, the TearOff nega ...
Material and Animation do not stop even if Game pauses when Material domain is User Interface
UE - Editor - UI Systems - Jan 22, 2020For Animation and Tick, we have confirmed that pausing can be done by stopping Native Tick. But we can't stop with Material. Widget Component can change the handling of time with EWidgetTimingPolicy ...
Attach track in the Audio track of Level Sequence becomes Unresolved Binding when the Editor is restarted.
UE - Anim - Sequencer - Jan 22, 2021It looks like the Actor's Binding information has not been saved successfully. ...
Assertion with Geometry Collection when play in simulate mode
UE - Simulation - Physics - Destruction - Feb 5, 2021Error message:Assertion failed: !HasAttribute(Name, Group) [File:D:\CHAOS\Engine\Source\Runtime\Experimental\Chaos\Public\GeometryCollection/ManagedArrayCollection.h] [Line: 121] ...
GPU Debug Label is not set on some textures
UE - Graphics Features - Aug 11, 2021texture streaming is one of the reasons that drop the label but not the only reason. add a line of code RHIBindDebugLabelName(NewTexture, *OldTexture->GetName().ToString()); into FMetalDynamicRHI:: ...
Animations do not play correctly when scrubbing at high speed while in Keep State.
UE - Anim - Sequencer - Oct 1, 2021If you check the attached GIF, you will see that when you jump the playback position, the animation stays in the same state as before the jump. I suspect this is a specification, but the user is req ...
NiagaraEditor timeline folders are not saved correctly
UE - Niagara - Feb 8, 2023It works correctly in 5.0.3. ...
iOS Quick Launch from the Editor no longer starts the app on device
UE - Platform - Apple - Feb 28, 2024For some reason, iOS apps no longer launch on device when using QuickLaunch within the Editor. Instead, it does install the app onto the device, but when it attempts to then launch the app, a messa ...
Post Process Animation Blueprint Crash When Using Blend Node
UE - Runtime - Anim BP - Sep 24, 2025When using a Blend node inside a Post Process Animation Blueprint, the editor crashes while rendering thumbnails. The crash occurs because USkeletonThumbnailRenderer attempts to draw a thumbnail wit ...
nDisplay Regression: Public header DisplayClusterViewport_OverscanSettings.h now includes internal header Math/MarginSet.h, breaking clients' code
zComponent - Archive - Sep 29, 2025On the nDisplay plugin code, CL 44773085 from August 12 introduced a new struct template TMarginSet and changed struct FDisplayClusterViewport_OverscanSettings to use it. However, the latter is defi ...