Unreal Engine Issues
Unreal Engine Issues
[AI] WP Dynamic navmesh fails to rebuild tiles with actors that are loaded but not part of the base navmesh.
UE - AI - Navigation - Feb 18, 2025WP dynamic navmesh does not properly react to actors or navigation modifiers that are loaded in areas that the navmesh has not yet streamed into. Although the actors/modifiers are not part of the ba ...
Toggling SetSimulatePhysics state on a Primitive component with a child PrimitiveComponent leaks PxShapes
UE - Simulation - Physics - May 23, 2016FBodyInstance::Weld did not check to see whether or not child components were already welded to a parent. This meant that whenever Weld was called, ShapeToBodiesMap would continue to grow in size, e ...
Editor Crashes When Duplicating Actor that Contains Additional Components
UE - Gameplay - Dec 11, 2015Attempting to spawn a copy of an actor that has components that were added to an instance of that actor in the level causes a crash. Spawning the actor without adding additional components to the in ...
Crash on Package When Using Nativizing Animation Blueprint Has AnimGraph Connected with Enum
UE - Gameplay - Blueprint - Dec 3, 2019If an AnimNode connected with Enum and AnimBP is nativized, the package will occur crash. Following settings is solve this issue. [BlueprintNativizationSettings] +ExcludedBlueprintTypes=/Script/En ...
Alpha channel is not working on drag and drop function
Tools - Nov 5, 2014When using the drag and drop function in UMG on an image with an alpha map the background will show up as black instead of translucent. ...
Need addElement and addElements to allow single insertion instead of to all elements with matching tag
UE - Platform - Mobile - Aug 1, 2017Since multiple dict tags can be in a plist, not just the top level, need to be able to specify to only insert once. Adding an optional once="true" attribute to these commands in UPL will allow this ...
USDStage - USD Material Overrides not reading
UE - Editor - Content Pipeline - USD - May 31, 2022USD material overrides do not get applied properly to a USDStage prim inside UE. When a material override that is set to a parent prim of USD Material, the override is ignored. A usd material ...
State Machine events "Left State Event" and "Fully Blended State" not firing when animation is sequence is playing
UE - Anim - Gameplay - Aug 28, 2019State Machine events "Left State Event" and "Fully Blended State" not firing when animation is sequence is playing at the moment you enter/leave the state. ...
HotReload: Static Mesh property reset on custom Static Mesh Component in Pawn Blueprint when a public property is changed to private in the parent Static Mesh Component code class
UE - Gameplay - Blueprint - Aug 24, 2018Performing a Hot Reload after changing some properties in a custom Static Mesh Component code class from public to private appears to reset the static mesh set for any Pawn Blueprints that use that ...
Linked animation graph doesn't trigger anim notifications on dedicated server.
OLD - Anim - Jun 15, 2020Linked animation graph doesn't trigger anim notifications on dedicated server. There is no expected message in log: LogBlueprintUserMessages: [HitReact_AnimBP_C_0] Client 0: HitNotify IsServer: tru ...