Materials Added to an FBX Will Not Be Added When Reimporting

Tools - Oct 25, 2018

Adding a material to an FBX with a Multi/Sub-object material, then reimporting the FBX will not import the new material. The material element will be added to the mesh but the material applied will ...

Child actor component class does not update on the client if a class is assigned by default

Gameplay - Blueprint Runtime - Nov 21, 2018

Child Actor Components class settings does not appear to replicate as expected. When the class is changed at run time, the change is not reflected on the client. Additional note: If the class is ...

Actor Component properties can become "linked" across multiple Blueprints after a hot reload

Gameplay - Components - Dec 3, 2018

If code in an Actor Component class is changed (eg. a new UPROPERTY is added) and a hot reload is performed to implement the changes, the properties in the component can become linked across any Blu ...

[CrashReport] UE4Editor_D3D11RHI!VerifyD3D11CreateTextureResult() [d3d11util.cpp:276]

Rendering - Mar 30, 2017

This crash seems to be related to or a continuation of UE-22659, where that specific CrashGroup stopped receiving new crashes after the 4.10 release. This one has occurred from 4.13 - 4.15 (so far) ...

Instanced Subobjects on Children BPs point to Parent BP's instance if both are loaded when creating the object

Gameplay - Blueprint - Jun 27, 2018

The Instanced Subobject values for the Child_BP are same as what the Parent_BP subobject values are changed to before compile and saving both Blueprint Objects. Tested in 4.18.3 (CL-3832480), 4.19. ...

Editor Preference settings get wrongly saved within project instead of editor

Tools - Jul 23, 2018

Various settings within the Editor Preferences window get saved within the project instead of the Editor. If someone were to heavily modify their Editor Preferences they would have to set it up agai ...

Niagara Fails to Compile Shader For iOS and Android

Rendering - Niagara - Aug 2, 2018

Niagara fails to compile shader for iOS and Android. Unable to test in 4.19 due to assets provided being created in 4.20. Found in 4.20 CL# 4233996 and 4.21 CL# 4247867 ...

Niagara Sprite Particles Incorrect Facing with Orthographic Camera When "Velocity aligned" is Set

Rendering - Niagara - Aug 2, 2018

Niagara sprite particles incorrectly face with Orthographic camera when "Velocity aligned" is set for its camera alignment. UE-44491 seems to be the same issue but with Cascade. Found in 4.19 CL# ...

BlueprintAuthorityOnly functions can incorrectly be called from a nativized, cooked client build.

Gameplay - Blueprint Runtime - Oct 3, 2018

If a nativized Blueprint event graph includes a call to a native, BlueprintCallable function that's also marked BlueprintAuthorityOnly, if the Blueprint is nativized, the function will incorrectly b ...

VR Canvas blurry on Mobile VR

Virtual Reality - Oct 15, 2018

Debug Canvas Layer blurry on mobile. ...