Hot Reload crash with Scene Component tied to Actor class

UE - Foundation - Core - Feb 19, 2015

After creating a Scene Component code class and an Actor code class, creating a reference to the SceneComponent in the Actor class constructor will cause a crash on hot reload in the editor. ...

Using UMG on iOS devices are not displaying with the correct resolution and scaling

UE - Editor - UI Systems - Mar 18, 2015

When testing UMG on an iOS device, the UMG is not rendering correctly ot the device. The UMG components seem to over lap each other. Photos of the expected outcome vs the outcome seen have been at ...

Most GameMode classes cannot be set in Blueprints

UE - Gameplay - Jun 14, 2015

Most GameMode classes cannot be set in Blueprints. Only Set Default Pawn Class and Set HUD Class have Setters available in Blueprints (the Getters are all still available). Reproduced in 4.8.0 and ...

The Child Actor Component cannot be selected in the Blueprint Editor Viewport

UE - Gameplay - Jun 8, 2015

The Child Actor Component cannot be selected in the Blueprint Editor Viewport. Selecting the Child Actor Component in the Components tab is the only way to select the component. Reproduced in 4.7.6 ...

[CrashReport] UE4Editor_Persona!FReferenceSkeleton::FindBoneIndex() [referenceskeleton.h:252]

OLD - Anim - Jul 20, 2017

This is a common crash affecting users in 4.16, and has occurred since at least 4.14, affecting more than 200 unique users. Unfortunately none of them have provided any additional information. Sou ...

[CrashReport] UE4Editor_CoreUObject!FLinkerPlaceholderObjectImpl::FindRawPlaceholderContainer() [linkerplaceholderbase.cpp:161]

UE - Gameplay - Blueprint - Sep 27, 2017

This is currently among the top 10 crashes coming out of the 4.17.2 hotfix, affecting a few unique users, and this specific callstack does not appear to have occurred in 4.17.1. This may be a regres ...

Adding a scene component to a child blueprint causes log warnings to appear in output log

UE - Gameplay - Blueprint - Sep 1, 2015

If a scene component is added to a child blueprint and the parent blueprint is compiled, a log warning will appear that states: "LogBlueprint:Warning: USimpleConstructionScript::FixupRootNodeParen ...

Landscape Change Component Size Tool removes foliage from landscape

UE - World Creation - Worldbuilding Tools - Foliage - Dec 12, 2017

Foliage painted onto a landscape will disappear when Sections per Component is changed from 1x1 to 2x2. Affects 4.17.2 CL 3658906, 4.18.2 CL 3794801, 4.19 Main Possible Workaround is to set the Re ...

Local Vector variables in functions do not save the Y and Z values

UE - Gameplay - Blueprint - Mar 12, 2015

Local Vector variables in functions do not save the Y and Z values. Possibly connected: after entering the X value, pressing Tab does not move to the Y value. Tabbing from there works as expected. ...

No shadow cast after Static Mesh Editor material assignment

UE - Editor - Content Pipeline - Datasmith - Importer - Apr 21, 2020

This is a Rhino file. Shadows are not cast on the Static Mesh after materials are assigned in the Static Mesh Editor. This was reported and tested in 4.24.3 (CL-11590370). This was reproduced in 4. ...