Unreal Engine Issues
Unreal Engine Issues
Meta specifier MustImplement does not list eligible blueprints that have not been opened/loaded
UE - Gameplay - Blueprint - Oct 16, 2017Using the meta specifier MustImplement will cause the associated dropdown to only list classes/blueprints that implement the provided interface. If a blueprint has not been opened/loaded in the edit ...
Adding HISMC instances resets wind for all existing instances
UE - Graphics Features - Jul 6, 2018When adding new HISM instances, actors using SpeedTree -> WorldPositionOffset material are reset. 4.19 Repro project provided by user. I was unable to get WPO wind working in 4.18, I did noticed th ...
Foliage: Speed tree wind is reset for every add/remove/update on instances
UE - World Creation - Worldbuilding Tools - Foliage - Jul 10, 2018Foliage: Speed tree wind is reset for every add/remove/update on instances What is happening:When we invalidate the render state, proxy are recreated, causing the wind to be removed and add again, ...
Data table editor uses property names as column headings
Tools - Nov 2, 2018The column names in the data table editor appear to directly use the property name instead of the "pretty" version of the property name. If the "DisplayName" meta specifier is used, though, that is ...
Incorrect formatting of #include statements in new code class added to project that is not properly set up for IWYU
Tools - Nov 27, 2018Attempting to add a new code class to a project that is not correctly set up for IWYU (such as an older project that may not have been properly modified for IWYU when upgrading) will result in the b ...
Performance drop when spawning AI actors during runtime compared to placing them in world
UE - AI - Jan 9, 2019There is a performance difference between spawning and placing AI into a level. This is causing issues when spawning/despawning AI actors in a large open world, where 4-5ms of frame time quickly bui ...
Volumetric Lightmaps do not work with Landscape texture mapping
UE - Graphics Features - Feb 13, 2019It appears that the Lightmass Volumetric Lightmap does not work with Landscape textures. When it samples the Landscape with some textured material, the resulting lighting build data does not match t ...
Mobile Multi-View 4.23 preview regression
UE - Platform - XR - Jul 18, 2019Black-screen when mobile-multi view is enabled in 4.23 preview. Also confirmed on Oculus Go. +Occuring in 4.24 MAIN @ CL 7436536 Sidenote: In all tested engine versions - when enabling/disabin ...
Blueprints derived from "Editor Utility Actor" are not able to tick in editor when placed in the world
Tools - Sep 11, 2019Placed Editor Utility Base was recently deprecated and users who require the functionality of ticking in the editor are unable to use "Editor Utility Actor" or "Editor Utility Widget." A couple of u ...
Add material API to python
UE - LD & Modeling - Modeling Tools - Mesh Editing - Jan 20, 2020UDN ask to control mesh materials in python script. The API is public but not expose. I suggest to add functionalities to the editor scripting utilities plugin for both static and skeletal meshes. ...