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 ...

Server RPC with struct param containing class reference does not pass parameter

UE - Networking - Apr 2, 2018

Class ref is not passed to server within the struct in UE 4.19. Instead, the default value is passed to the server. LogNetPackageMap: Warning: SanityCheckExport: CacheObject == NULL. NetGUID: 1, Ob ...

Event not saved correctly when duplicating Level Sequence

UE - Anim - Sequencer - Nov 21, 2019

This issue is similar to [Link Removed]. But I tested the shelve 10164190 mentioned in the comments. It didn't work. ...

Swapping the Child Actor Class of a ChildActorComponent back to a previously selected BP leads to an Editor crash from illegal Renaming

UE - Framework - Components - Sep 11, 2024

A fatal error occurs if we change a Child Actor Class from one BP (ex. "BP_A") to a different BP ( ex. "BP_B") and later change it back to the first BP (ex. "BP_A") without compiling the BP between ...

naming box collision in player character renames overlap begin event in actor calling player character

UE - Gameplay - Blueprint - Jan 28, 2016

naming box collision in player character renames overlap begin event in actor calling player character ...

Same-named variables of other classes listed as references in blueprint

UE - Gameplay - Blueprint - Aug 14, 2015

If a variable in a blueprint is the same name as a referenced variable from another blueprint, using "find references" on the local variable will return references to both the local and the external ...

Plugin OculusAudio module could not be found when packaged through UFE in binary

UE - Foundation - Cpp Tools - Plugin System - Jun 3, 2015

This issue also occurs This is the same error as in [Link Removed]. Discovered by a user on AnswerHub, I was able to reproduce this error in today's 4.8 branch, CL 2575437 Attached to his thread ...

FPS drop when deploying to a Mobile device

UE - Platform - Mobile - Feb 27, 2015

The FPS drop off of this users project is significant between version of UE4. I tested this issue on a Samsung Galaxy Note 10.1 2014 edition. I also tested on a iPad air 2 on 8.1. There was a sig ...

'Is Case Sensitive' option on the Switch on String node doesn't toggle correctly

UE - Gameplay - Apr 22, 2015

'Is Case Sensitive' option on the Switch on String node doesn't toggle correctly. User Description: The "Is Case Sensitive" option when you use a switch on string function in blueprint doesn't wor ...

FVoiceSerializeHelper doesn't add references to AudioComponent instances

UE - Networking - Apr 28, 2015

"FVoiceSerializeHelper doesn't add references to AudioComponent instances" ShooterGame crashes when following the repro steps provided by the licensee, listed below and on the UDN post. Crash image ...