Unreal Engine Issues
Unreal Engine Issues
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 ...
Session frontend screen comparison tool not showing screenshots.
UE - Automation Test - Jan 9, 2019The Session Frontend Screen Comparison tool does not appear to be showing and screenshots taken from the Editor. ...
Hot Reload fails if a project and Engine are placed next to each other in the same root folder that has the same name as the project
UE - Foundation - Cpp Tools - Hot Reload - Jan 8, 2019Hot Reload does not work if a project and the Engine that project is associated with are placed next to each other in the same root folder that shares the same name as the project. During the Hot Re ...
When having two viewport panes open in editor, and piloting/unpiloting a camera actor in one pane, will cause the other pane to reset viewport camera orientation.
Tools - Jan 8, 2019Piloting and "Un-piloting" a camera Actor in viewport pane causes other viewport panes to reset its view orientation upon "Un-piloting" of Camera Actor. ...
Packaged C++ Project Fatal Error on Startup When Spawning Niagara System Via a Character Blueprint
UE - Niagara - Jan 7, 2019Using the system blueprint node in the character blueprint will cause the packaged game to give a fatal error when running the executable. This only occurs when in a C++ project. Found in 4.20 CL# ...
VertexInterpolator Makes Landscape Materials Fail to Compile
UE - Graphics Features - Jan 7, 2019If a VertexInterpolator is used in a material that is applied to a landscape the material will fail to compile. Found in 4.20 CL# 4369336, 4.21 CL# 4.21 CL# 4613538, 4.22 CL# 4681912 ...
Editing Lighting Intensity Field Value Fails
Tools - Jan 7, 2019You cannot change the intensity by just adding/changing numbers. You have to completely retype the entire value. Found in 4.21 CL# 4613538 and 4.22 CL# 4681912 ...
Assert caused by using FText::FromStringTable to initialize a FText property in the constructor of a UStruct based off FTableRowBase
UE - Foundation - Core - Jan 4, 2019When using FText::FromStringTable to initialize an FText variable in the constructor of an FStruct that inherits from FTableRowBase, an assert is caused due to recursion. The assert is as follows:As ...
Migrating a Niagara asset from one project to copies the Niagara plugin assets
UE - Niagara - Jan 3, 2019Migrating a Niagara asset from one project to copies the Niagara plugin assets. ...
Create staticmeshnode or instancedstatic mesh node logs FNetGUIDCache warning in editor
UE - Networking - Jan 3, 2019The behavior in question involves a warning that FNetGuidCache gives when an Actor's construction graph adds a static mesh component, and a multiplayer session with 2 players is simulated in PIE.(Pl ...