Unreal Engine Issues
Unreal Engine Issues
CSM shadow casters falsely culled due to incorrect primitive octree test
UE - Graphics Features - Shadows - Sep 13, 2024While setting up whole scene shadows, CasterOuterFrustum is used to cull shadow casters from PrimitiveOctree. CasterOuterFrustum doesn't extend far back enough, which means that if an octree node fi ...
During SIE (simulate) and ejected-PIE, modifying a map actor causes triggers RerunConstructionScript() which discards all runtime modifications to SCS components
UE - Framework - Blueprint Runtime - Sep 6, 2024When Simulating, or Playing-In-Editor and ejected, modifying an actor in the editor world causes the SIE/PIE runtime actor to recreate its blueprint added components via AActor::RerunConstructionScr ...
Regression: "Object Position" node in Light Function materials did not compile up to UE 5.0. Starting with 5.1, it compiles but outputs garbage values
UE - Rendering Architecture - Materials - Aug 26, 2024Up to UE 5.0, when the "Object Position" node is used in the Material Editor as part of a material with Light Function domain, attempting to compile the material results in the following error: "[SM ...
Regression: Asset Action Utility "Supported Classes" setting is not working correctly when "IsActionForBlueprints" is true
UE - Editor - Workflow Systems - Aug 16, 2024When creating an Editor Utility Blueprint derived from "Asset Action Utility", UE allows the user to override function "IsActionForBlueprints". When it returns true, the "Supported Classes" setting ...
Search in Blueprint can encounter a deadlock condition when the window is closed before the search finishes and an FText lookup is pending
UE - Gameplay - Blueprint Editor - Jun 19, 2024When a running search in all blueprints is closed, it may prevent an AsyncTask used to return the look up FText's from StringTables from running on the game thread, leading to a deadlock. When the ...
CharacterMovementComponent - Jump incorrectly simulated when moving against a wall, resulting in an apex height lower than expected and framerate-dependent
UE - Gameplay - Player Movement - Jun 17, 2024The CharacterMovementComponent simulates the position of a jumping/falling character inside function UCharacterMovementComponent::PhysFalling() [CharacterMovementComponent.cpp:4381]. On the main cod ...
Lyra: GA_Melee uses disallowed NetMulticast RPC for melee impact sound
UE - Gameplay - Gameplay Ability System - Jun 13, 2024The melee gameplay ability GA_Melee uses a NetMulticast RPC which isn't allowed and causes a blueprint validation error: GA_Melee.uasset: Gameplay Abilities are not replicated to Simulated Proxies ...
SpringArmComponent with "Use Camera Lag Substepping" does not handle fluctuating frame rates correctly
UE - Gameplay - Jun 4, 2024The description of SpringArmComponent's "Use Camera Lag Substepping" option says "sub-step camera damping so that it handles fluctuating frame rates well". However, as noted and explained by a licen ...
Queued AnimNotifies skipped on Server via CharacterMovement.
From a licensee: The issue is that under certain edge conditions I am experiencing Anim Notifies not being executed on our Dedicated Server ( it is an off case, so they typically do work, there a ...
Nanite mesh shadows not updating when CSMCaching enabled
UE - Platform - Mobile - May 25, 2024A Nanite primitive casting a CSM shadow on another Nanite primitive with "Cast Shadows" disabled, will have it's shadow disappear completely when r.Shadow.CSMCaching = 1. ...