Unreal Engine Issues
Unreal Engine Issues
Physics Constraint doesn't hold if one Component is used for constraint
UE - Simulation - Physics - Jul 22, 2015Physics Constraint doesn't hold if one Component is used for constraint User Description: Hello, I recently updated the project from 4.7.6 to 4.8.2 and the physics constraint don't seem to work an ...
MaxChannels (Voices) is printed incorrectly to the Output Log on new projects
UE - Audio - Mar 16, 2022The Max Channels (voices) setting displays in the output log as 0 on new projects. Likely a result of [Link Removed]. Issue is in display only (there are 32 voices), but should ideally report the de ...
UnrealVS: Compile Single File no longer working after upgrading to 5.3
UE - Foundation - Cpp Tools - UnrealVS - Oct 2, 2023After installing the UnrealVS version that arrived with 5.3. I can no longer use CompileSingleFile. It does however work on the Lyra project. One difference I notived, however, is that Lyra seems to ...
FAnimationRuntime::BlendPosesPerBoneFilter() causes an assertive crash when Skeletal Mesh LOD is changed
UE - Anim - Runtime - Nov 1, 2023The crash occurs from "check(BoneBlendWeights.Num() == NumBones);" This crash occurs when the following conditions are met;The skeletal mesh LOD is changed.The number of bones is difference between ...
Assertion failed: GEditor->GetSelectedActorCount() == 1 in FLevelEditorActionCallbacks::Paste_CanExecute
Tools - May 3, 2017This is a high frequency crash occurring for our users. It appears to be the same crash reported in [Link Removed], however that was fixed in 4.15.0, and the specific repro steps are verified to no ...
Cannot package an Engine plugin if another Engine plugin depends on the plugin being packaged
UE - Foundation - Cpp Tools - Plugin System - Nov 12, 2018Packaging an Engine plugin fails if another Engine plugin lists that plugin as a private dependency. In the two attached plugins, PluginA lists PluginB as a required plugin in its .uplugin file, and ...
Renaming blueprint macro causes Failed import for EdGraph errors
UE - Gameplay - Blueprint - Feb 4, 2022Macro libraries try to support guid-based renaming: when a specific macro is renamed blueprints using the old name will automatically point to the new name and work properly. However, this fixup hap ...
BoneList and BoneFilterActionOption in LOD0 of LODSettings are displayed after editing other LOD level
UE - Anim - Runtime - Jul 31, 2023BoneList and BoneFilterActionOption in LOD0 of LODSettings are filters by the following code. void FSkeletalMeshLODSettingsDetails::CustomizeDetails(IDetailLayoutBuilder& LayoutBuilder) { ... st ...
Visual glitches on Mac OS X using an Intel GPU while playing HW accelerated H264 video
UE - Graphics Features - Dec 2, 2014This looks to be a system driver bug, but logging here for transparency and future reference. It took me a long while to figure out that the key issue is a conflict during blit between UE4 and the H ...
Client Characters that slide past the Server Character while on top of a Movable Actor can become de-synchronized from their Server counterpart
UE - Networking - Sep 9, 2015Client Characters that slide past the Server Character while on top of a Movable Actor can become de-synchronized from their Server counterpart. Does not occur on top of Static Actors. Hard to expl ...