Crash when double clicking on RowStruct's CurveEditor

UE - Editor - Workflow Systems - Mar 15, 2024

This problem can be reproduced with UE5.3 even after applying fix [Link Removed]. We have verified this issue with UE5.1 and it is not reproduced.  ...

Android Crash on app launch if AdditionalPluginDirectories contains wildcards in path

UE - Platform - Mobile - Jun 23, 2017

Having wildcards in the path for AdditionalPluginDirectories causes apps on Android to crash on launch. When testing this on iOS, the app did not crash but froze at the splash screen instead. Androi ...

Divide by zero in beam update can cause editor to crash in Cascade

UE - Niagara - Sep 23, 2019

The licensee has traced the issue back to a divide by zero in  UParticleModuleTypeDataBeam2::Update. If the Target and Source are the same then the beams magnitude will be zero. When there is a Nois ...

Niagara crashes with skeletal mesh sampling in GPU system in Vulkan

UE - Niagara - Sep 17, 2019

Switching over to GPUCompute with Skeletal mesh surface sampling will crash in Vulkan. This does not occur with CPU sims or in D3D. When testing with D3D I would get the same Niagara compile warning ...

Crash On Launch When Using Leap Motion Character

UE - Platform - XR - Mar 1, 2017

The editor is crashing on launch when the Leap Motion plugin is enabled and a leap motion character is being used. This did not occur in 4.14.3. This is a regression. ...

'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. ...

ScrollBox: Add Inertial Scrolling (Touch)

UE - Editor - UI Systems - Oct 16, 2015

Verify that inertial scrolling works in the ScrollBox and the ListView on touch devices. We have reports that it isn't working in 4.9, it may have been fixed since then, or not be as smooth as it c ...

WmfMedia: Track switching does not work

Media Framework - Aug 31, 2016

Track switching is currently not supported, because media with multiple tracks of the same type fail to load. Once that is fixed, implement run-time track switching. ...

Mobile projects crash with Event Driven Loader disabled

UE - Platform - Mobile - Feb 21, 2019

iOS + Android apps will crash on launch if Event Driven Loader is disabled. Confirmed in 4.23 MAIN at CL 5035898 ...

Mobile Preview - Higher Gamma in 4.22+

UE - Platform - Mobile - Apr 5, 2019

Colors are 'washed out' / higher gamma in 4.22 mobile preview modes. Confirmed in 4.23 MAIN @ CL 5755712 ...