Unreal Engine Issues
Unreal Engine Issues
Getting Emitter.NumParticles on Niagara's GPU compute sim returns 0
UE - Niagara - Jul 27, 2023This problem looks like the following parameters are not defined correctly. The correct parameter is Engine_Emitter_NumParticles. Engine_Emitter_NumParticles and PREV_Engine_Emitter_NumParticles .\ ...
Convert selected components to Blueprint Class will crash if the Actor is not tagged as BlueprintSpawnableComponent
UE - Gameplay - Components - Sep 2, 2016The editor will crash when using "Convert Selected Components to Blueprint Class" for actors that the root component is not tagged as a BlueprintSpawnableComponent. ...
Packaging for tvOS in Distribution fails to find valid provision
UE - Platform - Mobile - Dec 8, 2016I was unable to test this due to not having provisions available to test on for tvOS distribution. However, we have reports of the following error: "PackagingResults:Error: Error Provision not foun ...
Camera Cut tracks don't work in some packaged code projects
UE - Anim - Sequencer - Apr 10, 2017Camera Cut tracks don't work in some packaged code projects Regression: YES Working: 3249277 (4.14.3) Broken: 3348071 (4.15.1) Working: 3383544 (4.16 Main) ...
Geometry cache does not update time correctly when rendered in separate process
UE - Anim - Sequencer - Jan 30, 2019It looks like UGeometryCacheComponent::TickAtThisTime is not getting called during FGeometryCacheExecutionToken::Exectute, so the time is note correctly synced between the sequence and the geometry ...
Using both an Atmospheric and Exponential Height Fog will cause an issue rendering Translucency-based Materials
UE - Graphics Features - Jul 10, 2014Using both an Atmospheric and Exponential Height Fog will cause an issue rendering Translucency-based Materials. (See Screenshots below) IMPACT: Cannot use both Atmospheric Fog ...
Collision of child actor doesn't rotate if the parent is simulating physics
UE - Simulation - Physics - Aug 11, 2015Collision of child actor doesn't rotate if the parent is simulating physics. This was an old bug that an AnswerHub user reported back in 4.9 but now a licensee is reporting this same behavior in 4.1 ...
Variable in Blueprint with subcategory appear in detail panel of selected default component
UE - Gameplay - Blueprint - Aug 11, 2016When a blueprint variable is given a category and subcategory then compiled, the variable will show up in the details panel when selecting components that existed when the blueprint was created. ...
User cannot undo adding/removing a constraint from a constraint profile
UE - Simulation - Physics - Aug 10, 2016User can not undo the adding of a constraint to a constraint profile. You can undo to the point the creation of the profile ...
Incorporate changes to static mesh reimport code from licensee
Tools - Jun 21, 2016https://udn.unrealengine.com/questions/298041/static-mesh-reimport-lod-bugs.html ...