Xcode 8 Beta Toolchain Breaks InfiltratorDemo on AMD On 10.11.6

UE - Platform - Apple - Jul 27, 2016

InfiltratorDemo rendering is entirely broken on 10.11.6 using AMD GPUs when the shaders are compiled to byte code using the Xcode 8 Beta 2 toolchain. This does not appear to occur with the Xcode 7.3 ...

No return value for the Add nodes for Map/Set variables

UE - Gameplay - Blueprint - Jun 5, 2018

Add nodes for variables using the container type Set/Map do not have a return values that states if an element was successfully added. The tool tip states that this should be the case. This return v ...

Orthographic View doesn't respect the default Character Rotation

Tools - Aug 22, 2018

Orthographic doesn't respect the default character rotation of -90 degrees. This is reflected when viewing the Third Person character in Right/Left and Front/Back Orthographic views. This issue was ...

Can Not Add New Montage Section Name to a Montage on a Mac

OLD - Anim - Nov 21, 2017

-Section Name shows up on Windows and not Mac -Does not occur in 4.17.2 Currently waiting to test in 4.19 ...

Multitouch on Windows offsets touch index by 1, starting at TouchIndex_2

Tools - Oct 18, 2016

Touch input on Windows devices will start at touch index 2 instead of touch index 1, like other touch devices. ...

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. ...

Metdata 'ForceAsFunction' does not prevent conversion to event

UE - Framework - Blueprint Editor - Mar 6, 2025

Quote from the UDN: This is easily fixed with a conditional in bool FBlueprintEditor::ConvertFunctionIfValid(UK2Node_FunctionEntry* FuncEntryNode) which we've done locally, but should probably be ...

Framerate drops noticably when using Retopologize tool

UE - LD & Modeling - Terrain - Landscape - Jul 18, 2016

Significant framerate drop occurs when attempting to utilize the retopologize tool on landscapes. This occurs even when the landscape has remained completely unaltered. Other landscape tools experie ...

Reimport factory not being called for import enabled by plugin

UE - Editor - Content Pipeline - Import and Export - Apr 25, 2016

A user reported a problem that started occurring with 4.10 and didn't occur in 4.9.2 (Was unable to get a project in 4.9.2 and thus unable to confirm his claims, therefore I'm not marking this as a ...

Using a Custom Game State Disables Tick for Other Blueprints

UE - Gameplay - Blueprint - Jan 5, 2017

Using a game mode that contains a custom game state rather than the default seems to be disabling tick for other blueprints such as characters and actors. Whenever the project is using a custom gam ...