Compsure crashes when reordering transform passes

UE - Graphics Features - Aug 10, 2020

Re-ording the Transformpass array results in a crash of the engine. Link to repro video: [Link Removed] ...

Editor can crash while performing a Hot Reload after a custom UClass class is added to the project

UE - Foundation - Cpp Tools - Hot Reload - Mar 14, 2019

Performing a Hot Reload after creating a custom UClass class can result in a crash. This was reported on Linux, but reproduced on Windows. Additional testing will be done on Linux to confirm the is ...

(GAS) Block tags are ignored in version 5.5.2 if two abilities share the same parent tags structure.

UE - Gameplay - Gameplay Ability System - Feb 5, 2025

Block tags are not working correctly in version 5.5.2, it was working in 5.5.1. This is caused by a change done in version 5.5.2. The exact CL is: CL 35930696 ...

GameCenter does not login on Match3 startup on iOS

UE - Platform - Mobile - Aug 23, 2016

When launching on or opening a packaged UnrealMatch3 project GameCenter does not login for the paired account. This causes Leaderboards and Achievements to appear blank. Tested on iPhone6s_6240 OS: ...

Crash occurs when compiling in Editor after editing a C++ file

UE - Foundation - Cpp Tools - Hot Reload - Jan 5, 2021

Crash seems inconsistent, doesn't seem to happen every time. You may have to change the variables and re-compile through the editor a few times to get it to trigger. The crash did occur for me when ...

Calling ServerTravel with bShouldSkipGameNotify set to false causes a crash

UE - Gameplay - Feb 22, 2019

Calling ServerTravel with bShouldSkipGameNotify set to false results in a crash. The reproduction case provided is in PIE but this also occurs in a packaged game Regression?: Yes This did not occur ...

Editor crashes when a hot reload is performed on a project that contains a custom User Defined Struct code class

UE - Foundation - Core - Feb 20, 2017

Adding a custom User Defined Struct code class to a project causes the Editor to crash whenever a hot reload is performed on that project. Removing the custom User Defined Struct class allows hot re ...

GeometryScript_TextureUtils.sample_texture2d_at_uv_positions in python

UE - Graphics Tools - Modeling Tools - GeometryScripting - Nov 17, 2022

Licensee- "GeometryScript_TextureUtils.sample_texture2d_at_uv_positions does not work in python. The uvlist becomes nullptr from python to C++. BP is working fine." ...

Crash calling destroy actor for Geometry Collection while it's simulating

UE - Simulation - Physics - Destruction - May 12, 2020

Crash occurs when user call Destroy Actor on a Geometry Collection Actor. This seems to only occur while the actor is simulating. If called while on the ground, it doesn't seem to occur. ...

TMap<Bool is disallowed despite bool having a hash

UE - Gameplay - Blueprint - Nov 22, 2022

Reproduced 3/3 times. User is unable to create a new TMap with bool key through Blueprints (which is the expected result).  Issue is technically a Regression, as the ensure does not occur in //UE5/ ...