Unreal Engine Issues
Unreal Engine Issues
Unable to save project due to user created blueprint node that creates user created object
UE - Gameplay - Blueprint - Apr 28, 2015When a user creates a blueprint node of their own that is used to spawn a user created object, the project becomes unable to be saved after the blueprint is put into use. ...
[bug] OIT doesn't work correctly with alpha composite blend mode
UE - Graphics Features - Substrate - Mar 4, 2025When using OIT, AlphaComposite Materials blend as if they are using the Translucent BlendMode. The order of macro #if … #elif cases cause AlphaComposite Materials to take the same route as Transluce ...
After calling Seamless Travel, actors in the level will not be in their original positions
UE - Networking - Dec 18, 2015After calling Seamless Travel, actors in the level will not be in their original positions. The example provided by the licensee had a different result: the actors, despite having Start Awake disabl ...
'Directions are not Compatible' error on ForEachLoopWithBreak if split struct pin is disconnected from Enum type
UE - Gameplay - Blueprint - Mar 25, 2015'Directions are not Compatible' error on ForEachLoopWithBreak if split struct pin is disconnected from Enum type. Note: If the pins are reconstructed and the resplit, the error is fixed. ...
Granular Synth crashes project when played in standalone or packaged with assertion failure
UE - Audio - Jan 5, 2021Assertion failed: SoundWave->GetPrecacheState() == ESoundWavePrecacheState::InProgress The above assertion fail was seen when played in standalone mode. Play-In-Editor mode (PIE) is working as exp ...
Client PlayerState is null on joining online session
UE - Networking - Jul 31, 2015APlayerController::ClientStartOnlineSession() checks PlayerState at the start of a game after loading a level. Due to time needed to load in, client player state may may return NULL ...
Hierarchical LODs used with Precomputed Visibility cause actors to occlude that should not behind translucent materials
UE - Graphics Features - Jul 6, 2016When using Precomputed Visibility in conjunction with HLODs and translucent materials without them culling actors occluded by the translucent material. The example gif attached shows that the base ...
Always Relevant actor may replicate incorrect movement mode when the walkable floor becomes irrelevant
UE - Gameplay - Player Movement - Feb 26, 2024When the character class is set to always relevant, if a client travels very far away from another character, such that the character is relevant but the component they're standing on is not (but al ...
Crash When Toggling Visibility of Level with Planar Reflection
UE - LD & Modeling - Terrain - Landscape - Mar 26, 2018This crash occurs in 4.19 and 4.20 but not 4.18. Repro'd in 4.19.0-3944462 and 4.20.0-3955769 and 3964322. This is a regression. Per UDN licensee: When I'm showing/hiding levels in editor (in le ...
Renaming a Blackboard Key removes it's references in the Behavior Tree
UE - AI - Jan 27, 2015Renaming a Blackboard Key removes it's references in the Behavior Tree ...