Unreal Engine Issues
Unreal Engine Issues
Cannot pass a Dictionary through a Replicated Function
UE - Networking - Aug 23, 2018When passing dictionary (map) variables through replicated (to server) functions, the value will not print out on the client. In 4.19.2 (CL-4033788) this caused a crash but in 4.20.2 (CL-4302132) an ...
Sequencer 3D Trajectories run very slow on deep hierarchies
UE - Anim - Sequencer - Aug 27, 2018Using a Level Sequence with deep hierarchies causes the FPS to drop to low numbers when they are all selected within the Sequence. This is a regression from 4.19.2 (CL-4033788). This issue was repo ...
ForLoop used inside BP Function Library always returns 0 index when used in a Construction Script
UE - Gameplay - Sep 18, 2018Using a For Loop inside of a Blueprint Function or Function Library will always return index 0 when used in the Construction Script. This was reported and tested in 4.19.2 (CL-4033788). This was r ...
SketchUp models are too small once imported via the Datasmith plug-in
UE - Editor - Content Pipeline - Datasmith - Exporters - Sep 24, 2018In Sketchup the user made a cube thats 100cm x 100cm x100cm and has Sketchup's measure units set to cm. When imported into DataSmith the cube is 39x39x39. It was calculated that the scaling was off ...
Certain combinations of 'bRenderStatic' and 'bNoSkeletonUpdate' on SkeletalMeshComponent produce undesirable behavior.
UE - Graphics Features - Aug 7, 2019Issues observed: - When bRenderStatic is on and bNoSkeletonUpdate is off, CachedMeshDrawCommands takes a significant chunk of time, because the scene primitive transform is being updated every fra ...
Landscape Tessellation Issues
UE - LD & Modeling - Terrain - Landscape - Sep 23, 2019We are having a display issue with tiled landscapes displaying well below full tessellation in editor, but displaying fine in game. We can "fix" this issu by unchecking "Use Default Falloff" in deta ...
SetCollisionEnabled shouldn't check owner
UE - Simulation - Physics - Nov 8, 2019Attempting to set the collision of a component to NoCollision while the actor's collision is disabled will prevent the component's collision from changing. This is because of the early exit in UPrim ...
Loading levels imported with World Composition's Import Tiled Landscape option from a level without World Composition enabled loads landscape components a World Origin
UE - World Creation - Worldbuilding Tools - World Composition - May 6, 2020Landscapes created with Import Tiled Landscape are loaded at the World Origin when loaded in a level without World Composition enabled. Enabling World Composition in the second level fixes this iss ...
ShooterGame clients can fail to connect to a server under packet loss when network encryption is enabled
UE - Networking - Jul 17, 2020ShooterGame demonstrates the issue where when encryption is enabled, if the (unencrypted) EncryptionAck message is dropped, the resent messages will be encrypted since the server has enabled encrypt ...
MoviePipeline: Python Editor example can double-up objects in-scene
UE - Anim - Sequencer - Jan 4, 2022See the UDN for sample project. This is caused by the Editor Python sample not using the UMoviePipelineQueueSubsystem, which (when rendering) blocks the Sequencer from auto-binding to PIE. The fix ...