Session frontend screen comparison tool not showing screenshots.

UE - Automation Test - Jan 9, 2019

The Session Frontend Screen Comparison tool does not appear to be showing and screenshots taken from the Editor. ...

Platforms that allow for configurable VOIP sample rates do not respect config values

UE - Online - Jan 8, 2019

Because of when GetEnumValueFromString (called by GetVoiceSampleRate) executes for certain modules at load time, the global enum master list is empty, which leads to the config value not being parsa ...

Packaged C++ Project Fatal Error on Startup When Spawning Niagara System Via a Character Blueprint

UE - Niagara - Jan 7, 2019

Using the system blueprint node in the character blueprint will cause the packaged game to give a fatal error when running the executable. This only occurs when in a C++ project. Found in 4.20 CL# ...

Assert caused by using FText::FromStringTable to initialize a FText property in the constructor of a UStruct based off FTableRowBase

UE - Foundation - Core - Jan 4, 2019

When using FText::FromStringTable to initialize an FText variable in the constructor of an FStruct that inherits from FTableRowBase, an assert is caused due to recursion. The assert is as follows:As ...

Landscape disappear under mobile preview after reopen level

UE - LD & Modeling - Terrain - Landscape - Jan 4, 2019

When trying to reopen a level with landscape under mobile preview, landscape's render data is not generated correctly. ...

Only the last simple collision added to a static mesh is counted for sweep

UE - Simulation - Physics - Jan 3, 2019

When using multiple simple collisions on a static mesh it appears that sweep only uses the last collision added when calculating when/if to stop. ...

Crash When deleting an animation state while it is open in other tab

OLD - Anim - Dec 18, 2018

When deleting a state in a state machine while the state is open in another tab the editor will crash ...

Crash frequently when switch the material viewer

Tools - Dec 17, 2018

This happens almost 100% on a MBP/MaxOS, (2.3GHz Quad-Core Processor ,8GB 2133MHz LPDDR3 memory), also happens in a lower frequency on PC/Windows, (nvidia 1080, 64 memory)  ...

Animation Rate Scale does not appear to have an affect when blending an animation with two different Rate Scales

OLD - Anim - Dec 14, 2018

Rate Scale does not appear to have an effect when using a blend space that blends an animation with two separate Rate scales. ...