Cable Actor becoming stiff when bound to two dynamic objects

UE - Simulation - Physics - Jun 1, 2023

the cable actor does not dynamically deform when the cable actor's parent mesh moves. Instead, the cable actor becomes rigid between the meshes it's bound between. This bug does not occur in the fo ...

Anim Graph will hang if the Draw Debug Sphere and Set node are connected and compiled

UE - Anim - Runtime - Anim Blueprints - Jun 8, 2023

anim blueprint hangs when compiled. Probably a cyclic issue when compiling. A workaround is to add a delay of any time between the set node and the Draw Debug Sphere node. Repros in the following v ...

Objects animated in Sequencer fail to trigger collisions against stationary characters with character movement components

UE - Gameplay - Player Movement - Oct 22, 2024

When an object, such as a cube, is animated in sequencer and that object's path intersects a stationary character with a character movement component, the object will pass through the character with ...

Physics Asset ignoring Root Bone Rotation collision in Skeletal Mesh.

UE - Simulation - Physics - Dec 20, 2018

**Physics collision ignores Capsule Collision, When Skeletal mesh root bone orientation is rotated in the Z-Axis, resulting in unexpected collision behavior.   Screen shot has been attached to de ...

Crash occurs from change of inner struct value with TMap variable of outer struct

UE - Gameplay - Blueprint - May 22, 2017

A crash occurs from the change of inner struct value with TMap variable of an outer struct. This crash does not occur if you change the variable type as a substitution for the last step. Regression ...

Niagara Ribbon Facing Mode Custom Side Vector does not work correctly

UE - Niagara - Feb 28, 2020

The Custom Side Vector facing mode is no different than the Custom facing mode on Niagara ribbons. The linked UDN has more information on a potential cause, as well as a proposed fix. It looks like ...

Crash on setting Max. Texture Size with Non Power of 2 Texture

Tools - Mar 16, 2015

Also Reproduced in Main Promotable-CL-2479729 After importing and saving a texture which is non power of 2 and not an hdr texture, when you set the Maximum Texture Size in the Texture Editor's Comp ...

SunTemple crash on load on some iOS devices

UE - Platform - Mobile - Jun 8, 2018

This does not occur when attempting to repro using a template code project; testing on the same device. This crash occurred on an iPhone 6, v11.4 (A8) It did not occur on an iPhone X, v11.4 (A11 B ...

Editor crashes while switching to paint mode if material has a grass output and landscape visibility mask

UE - LD & Modeling - Terrain - Landscape - Aug 10, 2016

Editor crashes while switching to paint mode if material has a grass output and landscape visibility mask. Frequency: 3/3 ...

Allow promote to variable on Color structs/Vertex Colors structs for Procedural Mesh components

UE - Gameplay - Oct 13, 2015

Issue: Currently, it is not possible to make a variable of type "Color" specifically for the color struct on procedural mesh components (see image attached). This is the only variable on procedura ...