Restore Open Asset Tabs on Restart Becomes Unselected upon Restart

Tools - Jan 5, 2016

Although Asset Tabs will be restored, the option to "Restore Open Asset Tabs on Restart" in the Editor Preferences becomes unchecked after a crash thus causing the user to remember to select it afte ...

AnimGraph not present in Child of AnimationBlueprint with Parent Class: AnimInstance

OLD - Anim - Sep 10, 2015

A Child Blueprint derived from an AnimBlueprint generated with AnimInstance as the parent class will not contain an AnimGraph. ...

ULevelSequence trying to duplicate a REINST_ class when creating new custom binding in ConvertOldSpawnables()

UE - Framework - Blueprint Compiler - Jul 23, 2025

The assert that we're hitting is:Cannot replace existing object of a different class.  New Object: /Engine/Transient.REINST_BPC_NPC_VFX_C_230 /Game/Maps/[REDACTED]/Levels/[REDACTED]/LevelSequence/ ...

While renaming a variable in the Details panel, clicking another variable will rename it instead

UE - Gameplay - Blueprint - Feb 11, 2015

While renaming a variable in the Details panel, clicking another variable will rename it instead. ...

Crash after Clearing Sound Wave Asset and Deleting Media Player from Content Browser

Media Framework - Aug 8, 2016

A crash occurs when deleting a Media Player asset from the Content Browser that contained a previously referenced Sound Wave asset. This issue does not occur in any past engine versions as the prev ...

Opening Floating Editor Window Locks Camera to Upward Position

Tools - Jan 19, 2016

Using the shortcut "Ctrl + E" to open the static mesh editor in it's own floating window results in the camera locking in the upward position in the Main Viewport (*not* the viewport of the Static M ...

Spawning a bp, setting the location, and simulating physics in one string will cause the Set Actor Location node to be ignored

UE - Gameplay - May 8, 2015

Spawning a bp, setting the location, and simulating physics in one string will cause the Set Actor Location node to be ignored User Description: One is if you spawn a physics actor which has simu ...

UTF-16 characters return incorrectly from StringToBytes/BytesToString conversion

UE - Foundation - Core - Jul 28, 2016

When a UTF-16 character (™ for example) is passed into a StringToBytes() function and then returned via BytesToString, the returned character does not match (in the case of ™, a double quotes is ret ...

"Active" marker on shot track scales improperly when using Time Scale

UE - Anim - Sequencer - Apr 21, 2017

"Active" marker on shot track scales improperly when using Time Scale ...