Hitting check when removing HISM instances with Custom Instance Data

UE - Rendering Architecture - Mar 20, 2023

Hitting check(UploadInfo.InstanceCustomDataCount * InstanceCount == UploadInfo.InstanceCustomData.Num()) and also seeing incorrect isntance order after removing instances from HISMs. Additionally ...

Mutable custom versioning issue from 5.5->5.6

UE - Anim - Mutable - Sep 19, 2025

In 5.6, a handful of new entries in `FCustomizableObjectCustomVersion` were added, including `SetDisplayNamePropertyAsPinNameOfTableNodes`. Looking back at the history, `SetDisplayNamePropertyAsPinN ...

When adding a custom enumeration blueprint to a nested widget the project will crash

UE - Editor - UI Systems - Dec 8, 2014

A user made an Enumeration blueprint that is used to reset position and to quit the game. This Enum is used in a widget by a button. The button being used is placed inside of another widget that is ...

Unable to install project built with multiple support arm* on iOS device

UE - Platform - Mobile - Aug 21, 2016

Hit this while running regression pass. I was able to successfully install the same project on the device but built for DebugGame instead of Shipping. ...

Allow custom code and related blueprints to be migrated from one project to another.

UE - Gameplay - Blueprint - Mar 22, 2016

Currently, after migrating a blueprint that is based on a code class to a new project, the blueprint breaks due to unknown parent ([Link Removed]) Migrating & copy/pasting the code along with the b ...

Sequencer does not support Quaternion Rotation when manipulating transform tools or piloting cameras

UE - Anim - Sequencer - Oct 16, 2015

Noticing an issue when keying a camera and then playing back the animation it turns or spins in directions i never intended. Think we need check box for toggling Use Quaternion linear interpolation ...

Custom Depth Post Process Stencil does not work with Material Billboard on Actors

UE - Graphics Features - Nov 27, 2017

MaterialBillboardComponent does not render with CustomDepth material in PostProcessVolume as other objects do. Found in 4.16.3 CL 3561208, 4.17.2 CL 3658906, 4.18.1 CL 3454814 ...

CAD Datasmith no longer support Rhino 6 materials/texture on import

UE - Editor - Content Pipeline - Datasmith - Importer - Aug 13, 2018