Unreal Engine Issues
Unreal Engine Issues
Dropping a packet containing an initial replication for a Custom Delta Property breaks replication
UE - Networking - May 6, 2019Custom Delta Property NAK handling is done via Custom Delta Base States. Whenever we replicate a CDP, we have the implementing code return a Custom Delta Base State. However, before a CDP is ever re ...
Spline Component Array Logic resulting in "Editor soft lock"
UE - Gameplay - May 6, 2019ReRunConstrictionScripts() on Tick() is causing an Editor "Soft- Lock" slow-down, When dragging a Spline Actor created from Blueprint; which utilizes custom construction script logic detailed in the ...
Blueprint Array/Map properties with DefaultToInstanced types are not instanced properly
UE - Gameplay - Blueprint - May 6, 2019At a licensee, I discovered a problem where Blueprint-created array and map properties are not correctly propagating the ContainsInstancedReferenced property flag. This means that if you create a Ma ...
Clearing a search query in My Blueprints tab collapses all sections
UE - Gameplay - Blueprint Editor - May 6, 2019After clearing a search query in the My Blueprint tab in the blueprint editor, all the sections will be collapsed even if they were expanded prior to searching. ...
Niagara particles are culled when opaque material blend mode added
UE - Niagara - May 6, 2019Niagara particles are culled from far distances when materials with the Opaque Blend mode are applied to them. Tested in 4.21.2(CL - 4753647), 4.22.1 (CL - 6063286), 4.23 (CL - 6311794) ...
When editing a color curve at the emitter level color is not updated correctly at system level
UE - Niagara - May 6, 2019Editing color curves at the emitter level will not propagate to the system level when saving and applying. The curve will look correct int the system stack, but the particle colors will not match. ...
Fill Data Table from CSV File crashes editor if the data table is open
Tools - May 6, 2019Attempting to use the Fill Data Table from CSV File node will result in a crash if the CSV file is open when running. ...
Trigger Montage Ended Event results in Unhanded Exception
OLD - Anim - May 6, 2019TriggerMontageEndedEvent is calling RemoveAtSwap after the NotifyEnd callback which is not safe if the ActiveAninNotifyState array is modified by the callback. WorkAround: Add a Delay node befo ...
Stale PerceptualData in AIPerceptionComponent
UE - AI - May 6, 2019Also, reported here: https://udn.unrealengine.com/questions/497277/stale-perceptualdata-in-aiperceptioncomponent.html ...
Deprecated: CharacterMovementComponent::bRequestedMoveUseAcceleration
UE - Gameplay - Player Movement - May 3, 2019Licensee has brought into question the difference between NavMovementComp::bUseAccelerationForPaths Vs. CharacterMovementComponent::bRequestedMoveUseAcceleration. This led to a discussion in a Supp ...