TMaps with instanced objects: modifying instanced object data in child affects parent

UE - Gameplay - Blueprint - Jul 25, 2023

Given a TMap where the value type is an instanced object: when a child blueprint is saved with modifications to the TMap, and then additional TMap are added to the parent blueprint and the child blu ...

GetOverlappingComponents does not work on Mobile

UE - Simulation - Physics - Jun 13, 2016

The GetOverlappingComponents node isn't working correctly on mobile devices. It seems like it may only not be registering components that are spawned at runtime, as it does change the number of over ...

Packaged GearVR Project fails Oculus Submission Validator tool

UE - Platform - Mobile - Oct 5, 2015

Running with Latest Android Works install and OpenSSL 1.0.2d, a packaged GearVR project from the Editor will fail the Oculus Submission Validator with 5 warnings. [Image Removed] Project Android S ...

CharacterMovementComponent::ApplyRepulsionForce uses the BodyIndex incorrectly as a bone index

UE - Simulation - Physics - Oct 5, 2015

The code to extract the FBodyInstance from the overlapping component is incorrectly interpreting the Overlap.BodyIndex as a BoneIndex. This results in incorrect bodies getting the force applied, as ...

Non-overridden BP update for Animation Blueprints not Calling Parent Function.

OLD - Anim - Mar 21, 2016

User in the linked UDN reports that the parent BP update was not being called in an animation blueprint unless they hooked up the parent call. By default this call is greyed out in the graph and sh ...

Exiting VR Edit mode from simulating causes viewport mismatch

UE - Editor - Workflow Systems - Mar 5, 2016

9/19 VREditor sync notes: Should grey out the editor button while you're simulating ----------------------------------------- I noticed you can fix this issue by reseting the viewport by pressing t ...

A 3D wdiget with a text block that has a large font size will crash a packaged project

UE - Editor - UI Systems - Oct 20, 2015

Using a 3D Widget with a text block who's font size is set to 1,000 will give a fetal error when packaged. Note: The package will succeed, however when the project is opened the user will receive ...

Able to see cut off landscape in SunTemple in VR

Docs - Samples - Jan 20, 2017

When using the Oculus Rift the user can look over one of the balcony's railings and see where one of the landscapes cuts off. This occurs on the Oculus headset. UE-40907 causes the Vive to clip th ...

Adjusting Agent Radius in RecastNavMesh causes AI to not move

UE - AI - Sep 9, 2015

Adjusting the RecatNavMesh in a map can cause the AI to not move when simulating or playing in viewport. Setting it back to the default value does not fix the issue. I can only reproduce this with ...

Blueprint NAND node should not be associative.

UE - Gameplay - Blueprint - Jan 6, 2016

NAND is not an associative operation, so it should not use the markup that makes N+1 input nodes work by calling the underlying function N times. This was brought to light here: https://udn.unreale ...