TRASH_Comp in Octree that missing unregister

UE - AI - Navigation - Feb 25, 2025

the reproduce video and project are in the slack links: Slack Link: [Link Removed] ...

Network Prediction crash when smoothing service instance data is reallocated out from under FNetworkPredictionStateView

UE - Gameplay - Network Prediction - Apr 4, 2025

Received a report from a licensee using Network Prediction Plugin and Mover.  There is a strong likelihood of a crash occurring when using NPP's smoothing option and spawning new NPP-simulating ins ...

Landscape Grass Type will not build with static lighting leaving 'Lighting needs to be rebuilt warning.'

UE - World Creation - Worldbuilding Tools - Foliage - Sep 3, 2015

When using the Landscape Grass Type and using a Static or Stationary light will throw the 'Lighting needs to be rebuilt' warning. ...

Cannot compile project with dedicated server in 4.8

UE - Networking - Jun 23, 2015

If a project has built a dedicated server executable then it will fail when trying to convert the project from 4.7.6 to 4.8. EDIT: Following the steps on the wiki page for Dedicated Servers () in 4 ...

Input Action Events are not included in the list of overrideable functions in the My Blueprints tab

UE - Gameplay - Blueprint - Feb 5, 2016

Input Action Events are not included in the list of overrideable functions in the My Blueprints tab. Reproduced in Actor Blueprints and Player Controller Blueprints. This is a regression: overridin ...

Child Actor Component references are not sent to the Server through a Run on Server RPC

UE - Networking - Nov 9, 2015

Child Actor Component references are not sent to the Server through a Run on Server RPC. Test project attached. Reproduced in 4.9.2 binary and Main (CL# 2758903). ...

A function in a Blueprint Function Library that references another function in that library cannot be saved after closing and reopening the project

UE - Gameplay - Blueprint - Mar 1, 2015

A function in a Blueprint Function Library that references another function in that library cannot be saved after closing and reopening the project. The library will save without error until the pro ...

Clear Timer node does not stop a looping timer

UE - Gameplay - Feb 16, 2015

Setting a Clear Timer node does not stop the named function from firing. ...

Split Struct Pin on a Function output will return a compiler error

UE - Gameplay - Blueprint - Jan 13, 2015

Split Struct Pin on a Function output will return a compiler error: Error Pin New Param 1 X named NewParam1_X doesn't match any parameters of function NewFunction_0 Error Pin New Param 1 Z name ...

Cannot change color and opacity via animation key frames for text blocks in UMG

Tools - Nov 12, 2014

Changing the color and/or opacity setting for a text block does not register with the autokey when animating in UMG. Because of this users are unable change these settings dynamically via the animat ...