Unreal Engine Issues
Unreal Engine Issues
geometry script AppendSimpleSweptPolygon can crash if called with empty path
UE - Graphics Tools - Modeling Tools - Apr 26, 2022geometry script "Append Simple Swept Polygon" crashes if called w/ an empty path (but non-empty cross section polygon) ...
GAS: GameplayDebugger crashes when AttributeSet has different rep conditions per attribute
UE - Gameplay - Gameplay Ability System - Jan 10, 2025When using the GameplayDebugger to show GAS debug info, and an AttributeSet has two replicated attributes with different replication conditions, a crash occurs in RegisterReplicatedLifetimeProperty( ...
Precomputed AO Masks cannot be used to LERP between Normal Maps
UE - Graphics Features - Sep 18, 2015When using the Precomputed AO Map node to LERP between 2 Normals, only the A input into LERP will render out on the mesh. The Precomputed AO will work fine for Base Color LERPs Example: [Image Re ...
GetKnownPerceivedActors doesn't stop calling when specified AISense should be forgotten
UE - AI - Mar 17, 2019There is a difference in implementation and set of checks that are made in GetKnownPerceivedActors() depending on if you use specific SenseClass or leave it as nullptr (so it will return info for al ...
When moving a variable from a child to a parent class, blueprints that reference the variable will fail to compile
UE - Gameplay - Feb 12, 2018When moving a member variable from a child class to the parent, then deleting the child class, blueprints that reference the member variable will fail to compile until the node is removed and re-add ...
Having lots of SpeedTrees loaded in/out/in with level streaming causes crash with Standalone game
UE - Foundation - Core - Jan 21, 2015Description: When using lots of static meshes placed in the scene and using level streaming to switch levels out can cause standalone game to crash while loading the map back in. For example, if you ...
Compile error with Local Variable of a Struct that contains a Set or Map type
UE - Gameplay - Mar 7, 2017Compile error with Local Variable of a Struct that contains a Set or Map type. Standard and array variables work without issue. Non-local variables also work without issue. ...
Blueprint node detail checkboxes are not transfered during copy/paste
UE - Gameplay - Blueprint - Sep 24, 2015When editing settings in a blueprint node's details and copying the values of a setting / pasting to the same value of a different node, the value will update after pasting but the checkbox setting ...
Changing the name of an Event Dispatcher's Input will not update existing nodes in Event Graphs and cause a compiler error
UE - Gameplay - Blueprint - Mar 5, 2015Changing the name of an Event Dispatcher's Input will not update existing nodes in Event Graphs and cause a compiler error. The error text includes links that open the level tab rather than locating ...
Screen space reflection flickering
UE - Graphics Features - Nov 26, 2019Flickering is occuring when using a reflection material with screen space reflection enabled. Did not start occuring until 4.19 and beyond. Tested in: 4.23.1 CL#9631420, 4.24 P3 CL#10283392, 4 ...