Tick delta time does not provide the time between ticks (as stated in documentation)

UE - Gameplay - Aug 10, 2015

In the description for delta time given for the tick event it states "Game time elapsed since last call to Tick". This sounds as though it is supposed to calculate the time in between ticks. However ...

Collision for bsp stays in level after bsp is deleted

UE - LD & Modeling - Modeling Tools - BSP - Jun 30, 2015

If a bsp brush is deleted from a level, the level has geometry built, and the user presses play then uses the "show collision" console command, the collision for the bsp wlil still appear. This does ...

[OPENGL]: Enable Subsurface Scattering

Tools - Jun 29, 2015

Subsurface scattering is disabled on all OpenGL platforms despite the shaders being properly translated & OpenGL platforms supporting the relevant CPU-side APIs. This also affected Metal for the WWD ...

Editor freezes then crashes while attempting to save during PIE

UE - Gameplay - Blueprint - Jun 8, 2015

A level blueprint that has blueprint functions on keybound events freezes and crashes when in PIE and save is pressed. Frequency: 7/7 Crashreporter: [Link Removed] Note: If all level blueprint n ...

Adjusting transform of a mesh with LODs causes LODs to flicker

UE - World Creation - Worldbuilding Tools - Foliage - Jun 3, 2015

If a hierarchical instanced static mesh has LODs and is scaled in a blueprint, the mesh will rapidly switch between LODs, causing a flickering effect. Note: This only seems to occur if the camera ...

Attempting to connect to Perforce source control causes a crash

Tools - Oct 16, 2015

Selecting Perforce from the list of source control options will cause the editor to crash. Crash Reporter [Link Removed] May also be the same as: [Link Removed] REGRESSION? Yes. Issue did not occ ...

Switcher widget causes a crash when dragging a widget out of it and on to the canvas panel

UE - Editor - UI Systems - Aug 6, 2015

If the user adds two widgets to a switcher and then tries to drag one out of it the editor will crash ...

Adding rotation to a bsp breaks extrusions

UE - LD & Modeling - Modeling Tools - BSP - Aug 24, 2015

Adding Rotation to a bsp breaks future extrusions, causing them to incorrectly render. ...

Compile failure in UHT with combined multi-line / single line comments

UE - Foundation - Core - Apr 22, 2015

Using a single line comment to immediately follow a multi-line comment closing brace results in an illegible compile errors: "error code: CrashOrAssert(3)" Workaround: Include a space between */ an ...

Derived Data Cache is included but not used in Kite Demo

UE - Foundation - Core - Sep 23, 2015

We include an 8 GB DDC with Kite Demo, but the entire DDC is recalculated on project launch instead of using the included DDC. There is no information included in the DefaultEngine.ini file to refe ...