4.6 Delegate error in Blueprints

UE - Gameplay - Blueprint - Dec 12, 2014

When looking into the bd_hud_scoring and bd_rules_maze blueprints in the users project (Provided below), there are nodes that are throwing errors. If you press compile, the errors go away and the co ...

Level sequence updates more than once per frame when content editors are open

UE - Anim - Sequencer - May 27, 2016

When content editors are open, they cause sequencer to be updated more than once per frame. This causes animations running in PIE to play faster than expected. Licensee provides code for a potential ...

Blueprint Implementable Events and Event dispatchers with the same name break the event dispatcher.

UE - Gameplay - Blueprint - Sep 22, 2015

Creating an event dispatcher and BlueprintImplementableEvent function with the same names causes a signature conflict inside the blueprint. The event dispatcher is then broken as it cannot be delet ...

REGRESSION: HierarchicalInstancedStaticMeshComponent LOD transitions are broken in 4.9 and Main

UE - Graphics Features - Aug 24, 2015

While testing another fix I noticed HISM LOD transitions are not working in Main or 4.9 branch. There is no screen-door effect and multiple LODs seem to be rendering simultaneously compared to 4.8. ...

UnrealBuildTool fails to build generate project files or build if the project is stored on a non-HFS partition

UE - Foundation - Cpp Tools - UnrealBuildTool - Mar 29, 2016

When a user attempts to compile a project that is stored on a non-HFS partition on OSX, UBT fails to build due to files that are being generated that start with ".". The user's proposed fix is to ha ...

FixupRedirects commandlet does not auto-commit deletions

Tools - Jun 15, 2016

See this UDN: https://udn.unrealengine.com/questions/297811/fixupredirects-commandlet-submitting-marked-for-de.html The fix looks straightforward, just a one-line change but could benefit from tes ...

Child Widget Blueprint does not inherit bindings in exe

UE - Editor - UI Systems - Nov 16, 2018

When packaging a project for Windows, Child Widget Blueprints do not inherit bindings. Tested in 4.20.3 (CL -  4369336), 4.21.1 (CL - 4567586), 4.22 (CL - 4572453) ...

CameraPosition Node in a Material Shader does not behave correctly with Metal

UE - Platform - Mobile - Dec 19, 2018

When using a CameraPosition Node in a Material Shader, it does not behave correctly with Metal. Working as expected in 4.20 CL# 4369336 Found in 4.21 CL# 4613538 and 4.22 CL# 4666322 ...

Calling Console Commands in Python doesn't execute

UE - Editor - Workflow Systems - Feb 5, 2019

The console commands do not execute from Python if optional PlayerController parameter is not filled. Tested in 4.20.3 (CL- 4369336), 4.21.2 (CL - 4753647), 4.22 (CL - 4902349) ...

WorldSettings Blueprint crashes editor when saved/compiled

UE - Gameplay - Blueprint - Feb 12, 2019

Making a Blueprint instance of the AWorldSettings class, then saving/compiling instance Tested in 4.20.3 (CL - 4369336), 4.21.2 (CL - 4753647), 4.22 (CL - 4958363) ...