The instructions to add a new parameter on event dispatchers in My Blueprints is out of date.

UE - Gameplay - Blueprint Editor - Sep 1, 2017

The "Inputs" section in the details panel states "Please Press the + Icon Above to Add Parameters," but there is not a "+" icon above. There is now a "New" button to create a parameter. ...

New folders don't show up in World Outliner when "Only in Current Level" is set

Tools - Aug 31, 2017

When Only in Current Level is set in the World Outliner, any new folder will be hidden by default since there are no assets from the level in the new folder. This make it seem that the folder wasn' ...

Widget component Navigation does not appear to work with "Recieve Hardware Input" set to true

UE - Editor - UI Systems - Aug 31, 2017

Widget component Navigation does not appear to work with "Recieve Hardware Input" set to true. When using the arrow keys to navigate the menu, the focus does not change as it would in the 2D equival ...

Split Struct nodes do not update if the struct variable is changed

UE - Gameplay - Blueprint - Aug 30, 2017

If a struct variable inside a blueprint has its node split, changing the variable form one struct to another does not update the split pin. Recombining / resplitting the struct has no affect. Work ...

EXR format image files appear dark in texture editor with HDRCompressed setting

UE - Editor - Content Pipeline - Import and Export - Aug 30, 2017

Imported textures in exr image file formats preview darker in HDRCompressed versus HDR in the texture editor. [Link Removed] [Link Removed] They seem to look the same in a simple material using l ...

Construction script runs multiple times when placing an actor in the scene

UE - Gameplay - Blueprint - Aug 29, 2017

An actor's construction script runs multiple times (3 times) even when "Run Construction Script on Drag" is set to false ...

[CrashReport] DerivedDataCache!TArray<unsigned char,FDefaultAllocator>::ResizeForCopy

UE - Graphics Features - Aug 29, 2017

This is an infrequent crash coming out of the 4.17 release. Users have not provided any descriptions of their actions when the crash occurred. It seems to be a different issue, but the callstack sh ...

[CrashReport] UE4Editor_Core!FFileHandleWindows::Seek() [windowsplatformfile.cpp:501]

UE - Foundation - Core - Aug 29, 2017

This is common crash coming out of the 4.17 and 4.18 releases. The callstack is similar to an old unresolved import crash: [Link Removed] User Descriptionsrebuilding lightbuilding lighting from a d ...

Indirect lighting samples incorrect if duplicated levels placed in same persistent level

UE - Graphics Features - Aug 29, 2017

Indirect lighting samples were not made correctly when building lighting with umap duplicated via the content browser and registering both source and destination as sublevels in one map. ...

Mouse is not captured when running -game on Linux

UE - Platform - Linux - Aug 28, 2017

Launching a game with the -game command causes the game window to not capture the mouse until the window is clicked. Regression: Yes - This behavior does not occur in 4.16.3 (CL 3561208) ...