Unreal Engine Issues
Unreal Engine Issues
Crash on startup with a Blueprint deriving from an abstract class with a SpriteComponent
Tools - Feb 7, 2018Appears to be an issue with load order and the timing of when we populate the 'ShowSpriteCommands' and 'SpriteIDToIndexMap' containers, which we assert on if they're not the same size. The original ...
Match3 Crashes on IOS and Android when Packaged using Nativized Blueprint Assets
UE - Gameplay - Blueprint Runtime - Aug 19, 2016Match3 crashes shortly after being opened on both Android and IOS devices when the experimental blueprints option "Nativized Blueprint Assets" is enabled. Verified that the issue does not occur if ...
Assign node on floats can cause a crash at runtime
UE - Gameplay - Blueprint Compiler - Apr 25, 2022This is from a UDN and I was not able to reproduce it locally in Release-5.0 or Ue5/Main, creating this issue for tracking. ...
Refraction not working for some Android devices
UE - Platform - Mobile - Sep 11, 2015Refraction does not work correctly on some Android devices however it works within the mobile previewer, and on iOS devices. Not working on: 5056_GalaxyS5 SM-G900H (ARM Mali-T628 MP6; 4.4.2) Worki ...
Materials with a custom node with a Struct that has a function fails to compile for GLSL (Android) and uses a default material
UE - Graphics Features - Apr 29, 2019A user has reported that Materials that contain a custom HLSL node that has a Struct with a function declared inside of it results in the material failing to compile for GLSL, causing the Material t ...
Character becomes stuck when sliding down steep unwalkable capsules
UE - Gameplay - Player Movement - Jul 14, 2019Characters can become stuck and unable to move as they slide against very steep capsule collision. This seems to be caused as a result of ProcessLanded begin called within UCharacterMovementComponen ...
Oculus Touch Menu Button Input Not Received When Set In Action Mapping
UE - Platform - XR - Mar 9, 2020The left menu button on Oculus Touch doesn't have it's input received when it is assigned to an action mapping. This looks like it stopped working after SteamVR was integrated into the engine. Foun ...
Offset Root Bone Node needs reconstruction from velocities
UE - Anim - Jul 16, 2025The experimental Offset Root Bone node does not respect velocities, meaning that it does not work when a character is based on a moving platform. The capsule will rotate with the platform, but the r ...
Pawns using Floating Pawn Movement will teleport to the location specified in Move To Location
UE - AI - Jul 14, 2015Pawns using Floating Pawn Movement will teleport to the location specified in Move To Location. From fix CL 2619989: "Fixed FloatingPawnMovement component's issue when controlling AI pawn. Basicall ...
Exposure Bias in Post Processing is blown out for Samsung Note 5
UE - Platform - Mobile - Apr 6, 2016The post process within the project is causing the light to show up extremely bright on Note 5. This project has been tested on a Nexus 5, Samsung Galaxy S6, and Nexus 5X. Could not repro on: 6713 ...