Unreal Engine Issues
Unreal Engine Issues
Hot reload fails after adding a Static Mesh Component to a new Actor code class in a project that was originally Blueprint-only
UE - Foundation - Cpp Tools - Hot Reload - Oct 25, 2018Starting a hot reload by clicking the Compile button in the Editor fails after adding a Static Mesh Component to an Actor code class. This only occurs in the binary version of the Engine, and only i ...
Foliage Lightmaps are incorrect when using a Lighting Scenario and running as standalone
UE - LD & Modeling - Terrain - Landscape - Apr 1, 2019FBX imported skeletal mesh has incorrect axis directions
UE - Editor - Content Pipeline - Import and Export - Aug 20, 2019The axis the FBX is imported with has been inversed from prior versions. See attached screenshots. This causes issues specifically with vehicles, where the movement is happening into the forward dir ...
4.23 UpdateGrass took twice time than 4.22
UE - World Creation - Worldbuilding Tools - Foliage - Sep 12, 2019UMG Crashes When Using "Create Dynamic Material Instance" With An Optional Name Twice
UE - Editor - UI Systems - Feb 17, 2020When using an Optional Name parameter in Create Dynamic Material Instance while using the same Optional Name twice in UMG the engine crashes. I have tested this in a actor blueprint that applies th ...
Networking Engine Tests fail for NotifyParamCorrect on Client
UE - Networking - Oct 2, 2019The following errors occur when running the networking engine tests with 2 clients and a dedicated server. LogFunctionalTest: Error: Assertion failed: 'EngineTestNetActorComponent bRepArrayAddNotif ...
NavModifierVolume's FailsafeExtent is applied to the wrong area
UE - AI - Apr 16, 2020The FailsafeArea of NavModifierVolume is generated at a different location from the center of the actor when it rotated. This means that the effect of rotation is incorrect. (see attached file) W ...
MoviePipeline skipped frames using Temporal Subsampling + Time Dilation
UE - Anim - Sequencer - Jun 30, 2020The frame appears to be getting skipped entirely, but the timing for the frames on either side of them is correct, ie: if frame 10 is skipped, frame 9 and 11 still match the working case, so the ove ...
Oscillating Biquad Filter's Cutoff Frequency results in popping
UE - Audio - MetaSounds - Dec 8, 2022Reproduced 7/10 times. Issue also occurs in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed NOT a Regression. Additional Notes:Stacking more Biquad Filters produces a more noticeable effect, but ...
Ocean does not completely fill water zone in certain circumstances
UE - Graphics Tools - Terrain - Water - Jan 26, 2023Issue reported in [Link Removed] by [Link Removed] 1. Add one component to the 8K Landscape. [Image Removed] 2. Adding Ocean will not render correctly. [Image Removed] [Image Removed] These ca ...