Unreal Engine Issues

Warp Utils plugin crashes on Editor restart

Enabling the Warp Utils plugin and restarting the Editor causes it to crash. This is a regression from 4.24.3 (CL-11590370). This was reported and tested in 4.25 Preview 2 (CL-12055273) and reprodu ...

Instance Synced properties in Blackboard cause a crash

Using an Instance synced property in a Blackboard causes a crash when exiting PIE. This is a regression from 4.24.3 (CL-11590370). This was reported and tested in 4.25 (CL-13144385). This was teste ...

Changing the codec of a Curve Compression Setting asset results in a crash

When creating a Curve Compression Setting asset and changing the codec from Compressed Rich Curves to either Uniform Indexable or Uniformly Sampled the editor crashes. Tested in //UE4/Release-4.26 ...

Body Instance property changes made in construction scripts are not applied

7054614 was submitted to fix an issue with not being able to modify physics properties on instanced blueprints child components. This is related to [Link Removed] ...

TranslucentVolumeAmbient is darkened in InjectTranslucencyLightingVolume pass when using VSMs with r.Shadow.Virtual.ForceOnlyVirtualShadowMaps is Off

CSM targets are still created and affect the InjectTranslucencyLightingVolume pass when moving in a project that only uses VSM causing over brightening of fog planes and other translucent meshes. r ...

Cloth - Assertion failed: SimData->LODIndex != INDEX_NONE && SimData->LODIndex <= LOD when using the rewind debugger with multiple LODs cloth

The LOD switching when the simulation is paused could still be causing problems when the simulation is paused while the LOD indexes are going up because there is no LOD Bias mappings by default. Se ...

AllowCommandletRendering D3D12 device crash

The 'Console Variables' option does not Output an HTML file

No HTML file is created when using the newly added 'Console Variables' help menu option. This option is the same as entering 'Help' into the console command window. Neither of these options produce ...

Deactivate Then Activate Ribbon Emitter Causes Flicker

When 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)

Shown 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 ...