Unreal Engine Issues
Unreal Engine Issues
Precomputed visibility cells generated from extruded volume is insufficient
UE - Graphics Features - Nov 20, 2017The questioner of this problem at UDN wants to create a Precomputed Vosability Volume with the deformed volume. When Extruded Precomputed Vosability Volume is used, the cell will not fill this volum ...
"Cast Dynamic Shadow As Masked" is not visible at Material Instance
UE - Graphics Features - Feb 2, 2018"Cast Dynamic Shadow As Masked" is not visible at Material Instance. There is no property in Material Instance, but it does not work even if Base property is Enable, so it seems like a bug. ...
Particle Mesh Emitters Cause Heavy FPS Stutter
UE - Graphics Features - May 4, 2018Per User: After updating my project from 4.18 to 4.19, I started getting huge FPS drops at regular intervals. I managed to trace back the issue to particle systems with mesh emitters and could repr ...
Print String duration divided by number of players
UE - Gameplay - Blueprint - Jul 9, 2018Print string duration is divided by number of PIE players. ...
Unable to name a component if the name was used on a deleted component
Tools - Jan 29, 2015When deleted a component in the in world component editor, that name cannot be used for another component until the editor has been restarted. ...
When the engine version updated, partial data of TMap/TSet type of DataTable is missing
UE - Foundation - Core - Jan 7, 2019When updating to 4.21, Element previously added to DataTable is missing. This only occur when you move to 4.21. If it change from 4.19 to 4.20, DataTable will keep data. it can restore broken data b ...
DetachmentRules is not applied when WhenFinished of AttachTrack is set to RestoreState.
UE - Anim - Sequencer - Jul 25, 2019Purpose: Create a parent-child relationship using the “Attach Track” After that, I want to release Attach in the middle of the sequence and leave the child. Set "When Finished" of "Attach Track" to ...
SteamVR crash with DirectX 12
UE - Platform - XR - Aug 5, 2019SteamVR will crash with dx12 enabled. You may need to attempt to teleport or open the console for the crash to occur. Also confirmed in MAIN 4.24 CL 7713732 ...
Non-ASCII fonts don't display in UMG
Tools - Nov 6, 2019When using a non-ASCII language in the editor text in UMG will not display correctly. Found in 4.23.1 CL#9631420 Reproduced in 4.24 CL#10053396, 4.25 Main CL#10050790 ...
Wildcard Maps Inputs/Outputs Propogate Incorrectly in Macros
UE - Gameplay - Dec 13, 2019When a macro takes in a Map <Wildcard, Wildcard> if the output is the element in the map it is the same type value of as the key. You can see see a quick demonstration at [Link Removed]. This seems ...