Cannot watch values inside of a function in blueprints

UE - Gameplay - Blueprint - Sep 8, 2015

Values are never considered in scope when a variable is watched within a custom function, even though "watch this value" is available for use. ...

Struct Tree invalidates outermost Struct when inner Struct changes values

UE - Gameplay - Blueprint - Feb 1, 2017

Adding elements to an array within a struct that lives inside another struct corrupts the outermost struct and every blueprint that had used it. This may be related or the same as [Link Removed] ...

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 ...

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. ...

Anim sequence in DLC leads to crash in IOS.

UE - Platform - Mobile - May 19, 2020

DLC download is working as expected but opening a map with anim sequence which is located at DLC's pak file will lead to crash in iOS. ...

ChildAnimBP with different skeleton than parent does not show child skeletons anims in AnimGraphOverrides

UE - Anim - Runtime - Anim Blueprints - Jul 31, 2020

Create a Parent AnimBP, add any animation to it. Then create a childAnimBP from Parent. In ChildAnimBP, go to TargetSkeleton (from class settings) to change a different skeleton. Then go to the Anim ...

Maps fail to respond to any changes made in the CDO if any value has been modified in a loaded instance

UE - Gameplay - Blueprint Editor - Mar 18, 2020

TMaps do not function as I would expect when blueprinted. Any change made to the instance completely disables inheritance of all changes to the CDO, rather than only overriding the keys that are mod ...

Handheld AR: Session fails to Start after minimizing/backgrounding the application

UE - Platform - XR - May 18, 2021

When the user minimizes or backgrounds an AR application, and re-opens it, new AR sessions will fail to start ...

Root Motion Not Retained when Retargeting Animation Assets from UE4 to UE5

UE - Anim - Rigging - Retargeting - Apr 12, 2022

Occurs 5/5 Times RootMotion of an animation asset is not retained when retargeting Root Motion Animation asset from UE4 to UE5.  ...

City Sample - Parked Cars, Traffic, and Crowds do not spawn while in PIE

UE - AI - Mass - May 1, 2023

Repro Rate 10/10 Issue is a Regression as it doesn't occur in 5.1 Parked Cars, Traffic, and Crowds spawn in as expected when launching the project in Game Mode or a Packaged Build Going into the ...