If a custom code class is modified and a Hot Reload performed, any existing unsaved Blueprints derived from that class can no longer be saved.

UE - Gameplay - Blueprint - Feb 19, 2015

When a custom code class is changed and a Hot Reload is performed, any Blueprints previously made from that class can no longer be saved. Possibly related to [Link Removed]. WORKAROUND: Close and ...

Performing a Hot Reload after changing a custom component code class can make the component unusable in Blueprints, or crash the Editor.

UE - Gameplay - Blueprint - Feb 19, 2015

Performing a Hot Reload after altering a custom component code class can make the component unusable in Blueprints, and even crash the Editor. WORKAROUND: Close and re-open the Editor. ...

Parent Begin Play node does not appear to run the parent code class BeginPlay() function before the rest of the Blueprint's Begin Play functionality

UE - Gameplay - Blueprint - Feb 19, 2015

If a Blueprint event graph contains a Begin Play node that connects to a call to the parent function, the functionality present in the Blueprint Begin Play segment is run before the parent Begin Pla ...

FIXIF: Using the Merge Blueprints feature crashes the editor

UE - Gameplay - Blueprint - Feb 18, 2015

Using the Merge Blueprints feature crashes the editor. This repro is for clicking between the error and warnings while merging, but the editor will generally crash if the Merge is finished or if an ...

Off screen nodes snapping back in to place after alterations in blueprints

UE - Gameplay - Blueprint - Feb 16, 2015

After deleting a node, other off screen nodes tend to snap back into place when panning across the blueprint. ...

If a pin is added to a node and then split only one of the pins can be removed

UE - Gameplay - Blueprint - Feb 16, 2015

If a user adds a Vector+Vector node, adds a pin, Splits the new pin, and then removes a pin the option to remove the other two remaining pins is not available. ...

Custom structure in blueprint corrupts Project

UE - Gameplay - Blueprint - Feb 12, 2015

Adding a custom Struct appears to crash the user project (possibly circular reference issue ) ...

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. ...

Void Interface functions cannot be overridden in Blueprints

UE - Gameplay - Blueprint - Feb 10, 2015

A Blueprint Interface function that does not have an Output cannot be overridden in a Blueprint implementing that function. The function does not appear in the Interface section of the My Blueprint ...

AnimBP Bug: Print string triggered though not referenced

UE - Gameplay - Blueprint - Feb 10, 2015

Newly created animation blueprints will fire themselves during any form of PIE if they have been newly created during that session and even if no assets in the scene reference them at all. Restartin ...