Unreal Engine Issues
Unreal Engine Issues
Child Actor Component Actor Duplicates and Persists After Play
UE - Gameplay - Sep 26, 2019When an actor spawns another actor using AddChildActorComponent that comes alphabetically before it based on blueprint name it will spawn an extra actor that will persist when the scene is stopped d ...
Divide by zero in beam update can cause editor to crash in Cascade
UE - Niagara - Sep 23, 2019The licensee has traced the issue back to a divide by zero in UParticleModuleTypeDataBeam2::Update. If the Target and Source are the same then the beams magnitude will be zero. When there is a Nois ...
Sequencer crashes when scrubbing characters with sub-anim instances and montage slots
OLD - Anim - Oct 2, 2019I saw a following assertion. Assertion failed: (AdditivePoses.Num() > 0) || (NonAdditivePoses.Num() > 0) [Link Removed] [Line: 1381] This is my quick fix// code placeholder void FAnimInstance ...
Encryption handshake will fail if a seamless travel occurs during key lookup
UE - Networking - Oct 4, 2019The encryption token challenge/response portion of the control channel handshake can fail due to a seamless travel occurring between the client's NMT_Hello being received by the server and the serve ...
Editor Freezes when trying to drag a subfolder with a numerical name higher in the hierarchy than its root folder
Tools - Oct 7, 2019When trying to move a subfolder out of its root folder it will cause the editor to freeze if the subfolder has a numerical name. ...
Child Blueprint components become broken in sequencer when "Run Construction Script in Sequencer" is checked
UE - Anim - Sequencer - Oct 15, 2019When enabling "Run Construction Script in Sequencer" on a Blueprint Child Actor and having "Rerun Construction Scripts" turned on in Sequencer, the Child BP's properties become inaccessible in Seque ...
Blueprint macro in a level blueprint causes memory leak
UE - Gameplay - Blueprint - Oct 15, 2019The level blueprint has a macro that references a level. FBlueprintNodeTemplateCache keeps holding this cashe at transition level. Unable to find source-code formatter for language: text. Available ...
Simple collision Landscape returns incorrect physical material
UE - LD & Modeling - Terrain - Landscape - Oct 16, 2019When a landscape uses simple collision, the returned physical material can be mismatched. This seems to be a result of ConvertHeightfieldDataForPhysx within ULandscapeHeightfieldCollisionComponent: ...
Foliage Actors Orphaned on Blueprint Compile
UE - World Creation - Worldbuilding Tools - Foliage - Oct 18, 2019Recompiling a foliage painted actor bp will orphan already painted actors. ...
Construction script does not properly reset array count
UE - Gameplay - Oct 28, 2019It appears that in UE 4.23, some specific arrays in construction scripts are no longer cleared automatically and retain references to TRASH objects from the previous construction script calls. This ...