Unreal Engine Issues
Unreal Engine Issues
C4D Mograph not working in 4.24.0
UE - Editor - Content Pipeline - Datasmith - Importer - Dec 16, 2019A customer is reporting that C4D mograph support is broken in version 4.24. C4D file added under [Link Removed] folder in: [Link Removed] ...
TAssetPtrs are not properly fixed up in client PIE instances
Tools - Aug 18, 2015Contrary to the linked UDN question, this doesn't seem to require the actor to be replicated. The problem is that when UWorld::DuplicateWorldForPIE is called for a PIE client instance's persistent ...
Integrate fix for improper failure case for allocation of RenderTargets in Oculus
UE - Platform - XR - Feb 6, 2017CL 3278583 contains a fix for improper failure state allocation of render targets, which causes intermittent crashes when the HMD is unplugged or has a power interruption. This CL fixes the crash ...
Inherited component properties on actor instances of derived blueprints are silently reset to defaults when the blueprint enters a compile error state and is subsequently fixed
UE - Framework - Blueprint Compiler - Mar 6, 2026When an instance of a child blueprint in a level enters the “Bad Blueprint” state due to a compile error it will reset to default values when it is restored after the compile error has been fixed. ...
Web browser widget appears to run at ~24 FPS
UE - Editor - UI Systems - Dec 5, 2016Web browser widget appears to fun at ~24 FPS. The FPS for the editors browser widget is much lower than what is seen on other browsers. ...
Crash While Running Project With d3ddebug Enabled (fix provided)
UE - Graphics Features - Mar 6, 2017A licensee encountered a crash during InjectTranslucentLightArray: according to them they fixed the issue in ShadowProjectionCommon.usf: /** Cube map texture. */ TextureCube<float> ShadowDepthCub ...
4.24 Instanced Stereo Distortion Error in ComputeBufferUVDistortion
UE - Graphics Features - Nov 13, 20194.24 moves distortion calculations to the file DistortionCommon.ush and its`ComputeBufferUVDistortion` function. The code in the INSTANCED_STEREO define no longer works as `Interpolants` isn't passe ...
Using a fixed frame rate will cause you to leave the loop section of Montage.
UE - Anim - Runtime - Dec 10, 2021This problem only occurs when the fixed frame rate is 30 and the Sequence Lenngth of the loop animation is 1.66667. If turn off the fixed frame rate setting, it will behave as it should. ...
Renamed controls creating duplicate curves in sequencer that once fixed up cause selection issues.
UE - Anim - Rigging - Control Rig - Mar 25, 2026When a control is renamed after it has already been animated in a sequence, the control curve name map needs to be fixed up. Once it is fixed, selecting the control in the world will not map the sel ...
Integrate VirtualBones crash fix into next release patch
OLD - Anim - Jun 7, 2017Athomas reached out to me with a crash he was having when trying his 'Automatic Sync Marker AnimModifier' on a Skeleton that had Virtual Bones. It was verified that this only happens when Virtual B ...