Dbuffer Normals Incorrect In Forward Rendering

UE - Graphics Features - Apr 17, 2017

After enabling forward shading materials with their decal response set to "normal" have incorrect shading. In the example project there are many pointlights and their specular highlight doesn't disp ...

When move selected foliage to level, Foliage can not move to level.

UE - World Creation - Worldbuilding Tools - Foliage - Jul 18, 2017

With 4.15, I can move Foliage to "Sublevel B", but I can not move it with 4.16. It seems to be affected by the update in 4.16 (New: When moving a foliage asset to a new level, you will now be prompt ...

Adding a Blueprint Interface (with function named "Test") to a Widget Blueprint with a variable named "Test" crashes the editor when compiling

UE - Gameplay - Blueprint Editor - Oct 5, 2017

Giving the Blueprint Interface Function and the Widget Blueprint Variable the same name, then adding the Blueprint Interface to the Widget Blueprint, causes the editor to immediately crash when comp ...

Error when using GetMass without Simulate Physics enabled

OLD - Anim - Oct 31, 2017

When using GetMass on an Actor Blueprint, an error is displayed when Simulate Physics is disabled, but GetMass executes successfully. Error Message: BP_Actor_80.MaterialSphere MaterialSphere has t ...

Skeletal Mesh scales incorrectly if RigidBody node is used in Animation Blueprint, then the character blueprint is scaled

OLD - Anim - Nov 27, 2017

Skeletal Mesh scales incorrectly if RigidBody node is used in Animation Blueprint and then the character blueprint is scaled. If the character blueprint is scale to extreme sizes (3.0) the effect i ...

Generate Particle Event Blueprint node doesnt generate particles at relative "InLocation"

UE - Niagara - Apr 3, 2018

The EventReceiver Spawn module doesnt seem to take in parameters from linked Particle Generated Event. When setting the location of the Blueprint node (In Location), the relative position of the Par ...

When Client Side Navigation is enabled, it is only initialized Server Side

UE - AI - Jun 13, 2018

'Allow Client Side Navigation' no longer appears to register Client-side navigation in 4.20. In 4.19 the logic that was setup to check for it returns both Client and Sever Side navigation systems as ...

Event Dispatcher implementation called several times (number of bound refs increases every compile)

UE - Gameplay - Jun 26, 2018

The number of calls to the Event Dispatcher increase each time the blueprint actor containing the reference is compiled. This issue was not present in 4.18.3 (CL-3832480) but is in 4.19.2 (CL-403378 ...

White Artifacts on the Edges Static Meshes with MSAA enabled

UE - Graphics Features - Jul 6, 2018

White artifacts will appear on the edges of static meshes with MSAA enabled. If you change to deferred shading the issue is still there however it is less noticeable. Similar to UE- Founding in ...

When a Sublevel has "Initially Loaded" set to true and "Initially Visible" set to false, the Editor will crash after exiting PIE

UE - Gameplay - Jul 31, 2018

If you have a sub level with "Initially Loaded" set to true and "Initially Visible" set to false it will crash after exiting PIE. This issue was reported and tested in 4.20.1 (CL-4233996). It has ...