ActorComponent and 'SubComponent' Blueprint Default values are being overridden by Class Default values

Gameplay - Jun 18, 2018

Blueprint Actor values inherit the Class Default Object values instead of its Blueprint Default Object values. ...

Colors of Individual Lens Flare Tints Cannot be Changed in UE 4.18+

Rendering - Features Teams - Jun 15, 2018

If you create a project in 4.17 and follow the Repro steps, you will be able to adjust the colors of individual lens flares. If you copy the 4.17 project into 4.18, 4.19, 4.20 Preview, or 4.21 the f ...

Editor grid zfighting with meshes

Rendering - Jun 15, 2018

The editors snap grid will zfight with flat surfaces of static meshes and BSPs. Found in 4.19 CL# 4033788, 4.20 preview CL# 4121666, 4.21 CL# 4131780 ...

GetWorldTimerManager() function can crash if called when no valid World is present

Gameplay - Jun 13, 2018

A crash can occur within GetWorldTimerManager() if the function is called when no valid World is present. It is not necessarily intuitive to have to make sure that GetWorld() will not return a nullp ...

Changing the Level Streaming method will remove Levels from folders they were placed in

Tools - Jun 12, 2018

Changing the Level Streaming Method of a Level thats inside of a folder will remove it from the folder. Occasionally once all Levels have been removed from a folder, the folder will delete itself. ...

Point lights with source length building static or stationary lighting will build incorrect shadows on movable objects

Rendering - Jun 12, 2018

Adding source length to a point light that is set to stationary or static will cause shadows to build incorrectly on movable objects. Working as expected in 4.18 CL# 3832480 Found in 4.19 CL# 4033 ...

[CrashReport] UE4Editor_Core!FArchive::SerializeCompressed() [archive.cpp:696]

Core - Jun 12, 2018

No user comments in crash group 686 // Iterate over all chunks, serialize them into memory and decompress them directly into the destination pointer 687 for( int64 ChunkIndex=0; ...

"ERROR: Client target not found!" When packaging client after enabling or disabling a plugin

Tools - Jun 5, 2018

"ERROR: Client target not found!" When packaging client after enabling or disabling a plugin. This will happen on both developer or shipping client as the build configuration.UATHelper: Packaging (W ...

Incorrect Spelling for VOIP Sample Rate property

Audio - Jun 5, 2018

The VOIP Sample Rate property is misspelled. Please the screenshot for further clarification. Expected: The property should say VOIP Sample Rate. Result: The property says VOI PSample Rate. ...

Particle emitter with Mesh Data type does not change material to new material instance

Rendering - Cascade - Jun 4, 2018

Particle emitter with Mesh Data type does not change material to new material instance. It will not apply changes that are being made at run time to a parameter in the material instance being used.  ...