Unreal Engine Issues
Unreal Engine Issues
Deactivate Then Activate Ribbon Emitter Causes Flicker
UE - Graphics Features - Oct 21, 2016When setting a particle system to be active after deactivating the remaining particles still floating in the air from earlier will flicker. This is harder to reproduce when smooth frame rate is enab ...
MAC: Drop Down Menus Continuously Flicker (In Certain Conditions)
UE - Editor - UI Systems - Slate - Nov 4, 2015Shown in the Behaviour Tree Graph, if the Dropdown menu's length exceeds the Behavior Tree Graph window, the menu will try to offset it's position in order to display all information and will flicke ...
Crash when loading the tutorials for 'Landscape Painting Mode' and 'Landscape Sculpting Mode'
Tools - Jun 6, 2017A crash occurs when starting either the Landscape Painting Mode or Landscape Sculpting Mode tutorials. It crashes even if a landscape is already in the level. This is similar to [Link Removed], h ...
Deleting reference variable will result in unusable picker appearing on resolve nodes
UE - Gameplay - Blueprint Editor - Feb 11, 2019REGRESSION: No When deleting a reference variable, any resolve node pins using it will have a picker added, which won't have anything listed in their dropdown. This isn't consistent with what happ ...
Static Mesh LOD Generation Produces Bad Shading and Holes in Mesh
UE - Graphics Features - Feb 19, 2019Auto generated LODs create a mesh with holes and geometry that creates incorrect shading. Working as expected in 4.21 CL# 4753647 Found in 4.22 Preview 2 CL# 5035897 and 4.23 CL# 5064136 This is ...
Crash When Adding a Second Vector Parameter to Material Parameter Collection
UE - Graphics Features - Feb 21, 2019The Editor will crash if you add more than one vector parameter to a Material Parameter Collection. This works as expected in 4.21 CL# 4753647 Found in 4.22 Preview 2 CL# 5035897 and 4.23 CL# 506 ...
Disabling DBuffer Decals causes Decals not to render
UE - Graphics Features - Mar 8, 2019Disabling the Decal DBuffer in the Project Settings>Rendering causes the Decals to not render on geometry that overlap their respective Decal Actor. Tested in 4.21.2 (CL - 4753647), 4.22 (CL - 5 ...
Niagara GPU Emitter Flickering at Certain Angles When the System Origin is Occluded
UE - Niagara - Mar 25, 2019Niagara GPU Particle Flickering at Certain Angles When the System Origin is Occluded. Found in 4.20 CL# 4369336, 4.21 CL# 4753647, 4.22 Preview 6 CL# 5439949, and 4.23 CL# 5533539 ...
Landscape Grass No Longer Casts a Shadow with "Use Landscape Lightmap" Enabled
UE - LD & Modeling - Terrain - Landscape - Apr 8, 2019Landscape Grass No Longer Casts a Shadow with "Use Landscape Lightmap" Enabled. Working as expected in 4.20 CL# 4369336 and 4.21 CL# 4753647 Found in 4.22 CL# 5660361 and 4.23 CL# 5779284 ...
Planar Reflections Falling Back to Baked Probes at Certain Angles
UE - Graphics Features - Apr 18, 2019Planar Reflections Falling Back to Baked Probes at Certain Angles. Found in 4.21 CL# 4753647, 4.22 CL# 5660361, 4.23 CL# 5974510 Working as expected in 4.20 CL# 4369336 This is a regression ...