Unreal Engine Issues
Unreal Engine Issues
Datasmith is failing in converting UCX geometry to collision shells from Sketchup
UE - Editor - Content Pipeline - Datasmith - Exporters - Aug 21, 2018Importing a Sketchup file that has the 'UCX_' prefix for collision, the collision is not imported into the Editor. Instead it is imported as a Static Mesh Actor. This is happening in both 4.19.2 ( ...
Text cursor movement with arrow keys does not work in blueprint context menu if search query is empty
UE - Editor - UI Systems - Slate - Aug 20, 2018When using the text search in Blueprints the arrow key functionality is lost if there is a misspelling or when a search produces no results. This worked normally in 4.19 and below. ...
Enabling Skeletal Mesh 'Per Poly Collision' crashes the Editor
UE - Simulation - Physics - Aug 20, 2018When a Skeletal Mesh isn't assigned, enabling Per Poly Collision on the Skeletal Mesh Component causes the Editor to crash. This issue was reported and tested in 4.20.1 (CL-4233996). This issue was ...
Metallic Materials Get Darker When Directional Light Is Set to Movable
UE - Platform - Mobile - Aug 20, 2018Metallic materials get darker when directional light is set to movable. In 4.19 the same material will render dark in all mobility of the directional light. Found in 4.19 CL# 4033788, 4.20 CL# 4233 ...
Changing Frame Buffer Pixel Format to Float RGB Causes Editor to Crash
UE - Virtual Production - Aug 20, 2018Changing Frame Buffer Pixel Format to Float RGB Causes Editor to Crash. Unable to test in 4.19 due to setting not being available. Found in 4.20 CL# 4233996 and 4.21 CL# 4299102 ...
Material Function Input Displays Incorrect Data Type for Volume Texture, Static Bool, Material Attributes, and External
UE - Rendering Architecture - Materials - Aug 20, 2018The material function Input Displays incorrect data type for Volume Texture, Static Bool, Material Attributes, and External. The function will still work properly however the type data is displayed ...
UMG Drag and Drop stops working in a Packaged or Standalone Game
UE - Editor - UI Systems - Aug 20, 2018Drag and drop operations just become broken on packaged builds or launching stand-alone, despite working inside the Editor (PIE). This is a regression from 4.19.2 (CL-4033788). This issue was repor ...
"Enabled per poly collision" under "Support compute skincache" is ON causes a crash at runtime
UE - Simulation - Physics - Aug 16, 2018It seems that "Enabled per poly collision" with "Support compute skincache" causes a crash at runtime immediately. We can easily reproduce it with ContentExample. The logs at the crash timing... L ...
Cloth simulation doesn't work correctly if Compute Skin Cache is ON.
UE - Simulation - Physics - Character - Aug 16, 2018It seems that cloth simulation doesn't work correctly on 4.20 if Compute Skin Cache is ON. We can easily repro it with Content Example [Link Removed] Is this by design? ...
Crash on garbage collection - Encountered 20 object(s) breaking GC Clusters assumptions.
UE - Foundation - Core - Aug 15, 2018Garbage collection crash during opening cinematic. Note after crashing and relaunching the game the saved file appears as 8% complete instead of 0%. Note this crash is also occurring with //UE4/D ...