Renaming Function Parameters Silently Disconnects Pins if Function is in Use

UE - Gameplay - Blueprint Editor - Feb 9, 2017

Changing parameter names on a function that is in use in another blueprint breaks the pin connections without warning if the blueprint is not saved before restarting the editor. See the licensee's ...

Preserve Non-Uniform Scale doesn't work for child actors

UE - Gameplay - Components - Feb 16, 2017

Preserve Non-Uniform Scale doesn't work for child actors when they are scaled smaller than the parent. Licensee Description: I just noticed that the option does not seem to work if the object is p ...

Planar Reflections Cause Big Performance Hit In Packaged VR Projects

UE - Platform - XR - Jan 22, 2020

Planar reflections notably lower performance in packaged VR project. Linked is an example project and an example package. [Link Removed]. This was tested on a Vive Pro and Oculus Rift(not Rift S). ...

"Reference space" when exporting LevelSequences with "Override Instance Data"

UE - Anim - Sequencer - May 15, 2024

When exporting a Cinematic Camera as FBX and importing it back, all transforms and Camera view are shifted. This happens when in Level Sequence Actor has the property "Transform Origin Actor" set to ...

Diffing blueprints in Perforce changelist reviewer incorrectly displays blueprints that reference assets not in local filesystem

UE - Framework - Blueprint - Nov 22, 2024

When diffing a blueprint in the Perforce changelist reviewer in-editor (Review Changelists), if the blueprint references an asset that does not exist locally but rather exists as a newly added asset ...

Cross-Compiling for Linux-ARM fails to compile

Tools - Aug 11, 2015

Following the directions on the wiki for cross compiling on Linux ([Link Removed]) fails when trying to package the project. ...

Steam friends list is duplicated when opened for a second time in the packaged version of Shooter Game

UE - Networking - Jun 29, 2015

If a user is logged into a Steam account with between 1 and ~10 friends (Max depends on resolution, as it'll push the excess off the screen) and they open the friends list multiple times, it'll dupl ...

Sequences in sub-levels only fire events in the persistent level

UE - Anim - Sequencer - Mar 28, 2016

Sequences in sub-levels only fire events in the persistent level. I don't know if they're expected to be firing in all levels or just the sub-level ...

AI Controller Remains in World Outliner After Being Destroyed

UE - AI - Apr 18, 2017

Destroying an AI Controller does not seem to remove it from the world. The controller will still remain in the World Outliner even after Destroy is called. Attempting to get the AI Controller after ...

Compilation manager inhibit construction script to get other actor reference on the level when running construction script right after actor compile.

UE - Gameplay - Blueprint - Aug 9, 2017

Construction script execution following blueprint compile gets invalid actor reference if Blueprint compilation manager is enabled. For example, in the attached project, Right after blueprint compi ...