When using Blueprint Update Camera, New Camera FOV is taken into effect even if Return Value is false

UE - Gameplay - Oct 30, 2017

In a Player Camera Manager Blueprint, when overriding the function BlueprintUpdateCamera, the New Camera FOV value takes effect regardless of whether Return Value is True or False. The New Camera Lo ...

Regression: "Play particle effect" anim notifies are not seen in the editor playing level sequence/matinee when Attached is set to false

UE - Graphics Features - Dec 21, 2017

Not Attached particle system is not seen in the viewport of the editor. This particle will be seen normally when PIE.  Regression? Yes. This issue is not reproduced in 4.17 version. You can simply ...

Foliage does not appear in capture target when using "Always Persist Rendering State" when the foliage count is over 1.5k

UE - World Creation - Worldbuilding Tools - Foliage - Jan 10, 2018

There is an issue occurring where Foliage does not appear in capture target when using "Always Persist Rendering State" when the foliage count is over 1.5k. The issue does not occur when the foliage ...

Vector Parameter Values do not show values with material instances

UE - Graphics Features - Jan 22, 2018

There is an issue where Vector Parameter Values do not show values with material instances. There is a workaround to get the parameter to appear as intended but setting the specific parameters using ...

Objects with Translucent Blend Mode Material Aren't Affected by Refraction

UE - Graphics Features - Feb 16, 2018

There is an issue occurring where Objects with Translucent Blend Mode Material Aren't Affected by Refraction. This affects any translucent material regardless of the translucent materials settings. ...

ChildActorComponent (SkeletalMesh) goes into tpose when calling SetChildActorClass

OLD - Anim - Mar 19, 2018

There is an issue occurring where when updating an animation of a child actor by setting the Child actor class, the animation will flash the skeleton in a T-Pose before continuing with the animation ...

Crash in Debug Camera (patch provided in comment !)

UE - Gameplay - Feb 12, 2019

Hello, A licensee has reported us a crash in DebugCameraController / DebugCameraHUD.  It is due to a missing check in ADebugCameraHUD::PostRender() of SelectedActor set in ADebugCameraController ...

Error during packaging if nativizing a blueprint that contains a TMap with a UserDefinedEnum as a key

UE - Gameplay - Blueprint - Jun 17, 2019

Certain Map container calls (e.g. Find, Add) will fail to compile at packaging time if a Blueprint class containing a Map variable with a user-defined enumeration as the key type is nativized. This ...

Instanced static meshes fire an erroneous performance assert about loose parameters.

UE - Graphics Features - Sep 4, 2019

 "This ensure is intended to catch regressions where rendering programmers add a loose parameter to LocalVertexFactory, breaking dynamic instancing on regular static meshes.  InstancedStaticMeshes c ...

BP timelines: when converting internal curve to external, the external curve isn't used until BP is recompiled

UE - Gameplay - Blueprint Editor - Aug 28, 2023

Blueprint timelines: when converting an internal curve to an external curve asset, the curve asset's data isn't used until the blueprint is recompiled. This is confusing as there is no indication th ...