Unreal Engine Issues
Unreal Engine Issues
Parent Begin Play node does not appear to run the parent code class BeginPlay() function before the rest of the Blueprint's Begin Play functionality
UE - Gameplay - Blueprint - Feb 19, 2015If a Blueprint event graph contains a Begin Play node that connects to a call to the parent function, the functionality present in the Blueprint Begin Play segment is run before the parent Begin Pla ...
Linux - Crash when moving/turning the viewport camera in project that contains hair
UE - Graphics Features - Feb 2, 2021I've attached the project log, crashreport, and crash info to this ticket. This issue only appears to be happening on Linux (On both Nvidia/AMD cards) and does not happen when the hair is disabled i ...
Crash upon selecting CameraComponent in Sequencer when level is locked
UE - Anim - Sequencer - Aug 14, 2018Selecting a Camera Component in the Sequencer window when the level is locked causes the Engine to crash. This was reported and tested in 4.20.1 (CL-4233996). This was reproduced in 4.19.2 (CL-403 ...
Attaching a removed Actor in Sequencer causes a crash
UE - Anim - Sequencer - Jan 6, 2020This is a regression from 4.23.1 (CL-9631420) where Sequencer just displayed the re-attached binding in yellow text instead of crashing. The user suggests that the deleted actor should be removed fr ...
Improper Rendering of Paper Sprites in Translucent Sort Axis.
UE - Graphics Features - Apr 8, 2019Regression as of 4.22. Translucent Depth Sort Policy results in improper rendering ( Z-Fighting flickering) with Paper2D Sprite Components. ...
"Build All Levels" does not re-AddNavigationSystemToWorld
UE - AI - Navigation - Feb 28, 2024The Build All Levels editor action cleans up the world's NavDataSet (UNavigationSystemV1::NavDataSet) as pre-rebuild world cleanup by calling: SetNavigationSystem(nullptr); inside UWorld::Cleanu ...
Fatal Error: Cast of Package to AnimGraphNode_BlendSpaceGraphBase failed when deleting an opened Blendspace node in a State graph
UE - Anim - Runtime - Anim Blueprints - Aug 10, 2021When deleting a Blendspace or Blendspace 1D node in a state graph, after opening it, the editor crashes. It doesn't crash when deleting it before opening the Blendspace node. It also doesn't matter ...
Crash w. 'Serialized Class LinkerPlaceholderExportObject for a property of BlueprintGeneratedClass'
UE - Gameplay - Blueprint - Sep 25, 2017I was attempting to repro [Link Removed]. I created a new Actor BP, placed it in the level, added a ref to it to the level BP (instead of the projectile approach in the repro), and tried to save my ...
Crash selecting PIE after saving a blueprint exposed and used in sequencer
UE - Anim - Sequencer - Jun 17, 2016Crash selecting PIE after saving a blueprint exposed and used in sequencer. Found this when looking into https://jira.ol.epicgames.net/browse/UE-31266 ...
Crash when force deleting Dataflow Graph
UE - Editor - Workflow Systems - Jul 31, 2023When force deleting a dataflow graph with the dataflow graph editor open it will crash the engine. This issue is occurring in Binary //UE5/Release-5.3 @ CL 26560699 This issue is occurring in Binar ...