Unreal Engine Issues
Unreal Engine Issues
[AI] SmartObject with Precondition in a persistent collection crashes editor when exiting PIE
UE - AI - SmartObject - Sep 26, 2023Adding the Precondition to the SmartObject caused an assertion when it was part of a persistent collection. The precondition needs to be able to pass its Activate method to cause the assert. This b ...
Multi-process cooking does not complete in UE5.3.0
UE - Foundation - Data Pipeline - Cooker - Sep 26, 2023Projects with multi-process cooking enabled will not complete packaging. If MPCook is disabled, packaging can be completed. ...
[Interchange - glTF] Incorrect results when importing a GLB with skeletal animation
UE - Editor - Content Pipeline - Import and Export - Sep 25, 2023Properties not serialized when moving actor/component depending on unrelated specifiers
UE - Framework - Blueprint - Sep 25, 2023When an actor is moved on the level editor viewport, it is reconstructed along with its components, which at first makes their properties reset to their default state. Thankfully, this does not happ ...
Lyra - Grant Nearby Interaction Ability Task used as source object but doesn't replicate
UE - Gameplay - Gameplay Ability System - Sep 25, 2023UAbilityTask_GrantNearbyInteraction passes itself as the source object when making the Interaction Ability Spec in UAbilityTask_GrantNearbyInteraction::QueryInteractables. This causes the "Warning: ...
AR Utilities plugin requirement missing from 5.3 documentation
Docs - Sep 25, 2023Setting Up a New AR Project page for 5.3 is missing important information about including the AR Utilities plugin. https://docs.unrealengine.com/5.3/en-US/setting-up-a-new-ar-project-in-unreal-en ...
Fractured Geometry Collection triggers a crash when colliding with an Animation Blueprint with a Rigidbody Node
UE - Simulation - Physics - Character - Sep 25, 2023This is not a regression. Tested in //UE5/Release-5.2 CL26001984 The editor crashes when a physics asset of an animation with rigid body collides with geometry collection. ...
Fix MM node "Yaw From Animation Blend Rate" for skeleton with root bone rotated X or Y up
UE - Anim - Sep 25, 2023Paper2D crashes on flipbooks with dynamic materials
UE - Gameplay - Paper2D - Sep 22, 2023Having flipbooks with dynamic materials and then playing/stopping multiple times crashes the editor. ...
BuildCookRun: EnablePlugins parameter generated improper cooking command line.
From the UDN post that reported the problem: The BuildCookRun Automation script offers a commandline option called -EnablePlugins= which allows the user to specify additional plugins that should ...