Hot Reload does not update blueprint pins

Gameplay - Blueprint - Jan 15, 2015

When changing the variable type or return type of a function in code and hot reload in the editor, blueprints that use the variable/function do not have their pins updated until the editor is closed ...

Smooth Replicated Character Movement Causes Mesh Transform to be Reset to Default

Gameplay - Player Movement - Nov 22, 2016

When moving a character, attempting to change the relative location of one of the character's components is causing it to remain at the default location. If you do not move the character, the locat ...

[CrashReport] UE4Editor_D3D11RHI!VerifyD3D11CreateTextureResult() [d3d11util.cpp:276]

Rendering - Mar 30, 2017

This crash seems to be related to or a continuation of UE-22659, where that specific CrashGroup stopped receiving new crashes after the 4.10 release. This one has occurred from 4.13 - 4.15 (so far) ...

Spawn Emitter at Location does not Simulate in BluePrint

Gameplay - Blueprint - Sep 8, 2016

When using the Spawn Emitter at Location node in BP the emitter will not spawn while simulating in BP. Other Spawn at location nodes behave the same way. The Cube actor was included as a test to eli ...

GetDistanceAlongSplineAtSplinePoint becomes inaccurate as point approaches 0% or 100% of spline length

Tools - Sep 26, 2016

When the USplineComponent::GetDistanceAlongSplineAtSplinePoint() function is called, the value returned is not accurate if the point approaches the range of 0 - 10 % or 90-100% of the spline. ...

Reset Instance Changes to Blueprint Default does not revert changes made to instances

Gameplay - Blueprint - Sep 15, 2015

creating an instance of a blueprint and making changes to the instance will not respect "Reset Instance Changes to Blueprint Default" when pressed from Details Pane. ...

Marking a Blueprint as Deprecated Causes Existing Instances to be Removed on Level Load

Gameplay - Blueprint - Oct 13, 2016

Enabling the 'Deprecated' option in a blueprint's Class Settings causes all existing instances of it to be deleting upon loading any levels that contain the blueprint. Found in 4.13.1. Reproduced i ...

Destroying Actor via RepNotify After Seamless Travel Causes Pending Kill Warning

Networking - Dec 15, 2016

Attempting to destroy an actor via a repnotify after seamless travel is causing the actor to fail to be destroyed because of a pending kill warning: [2016.12.15-19.10.13:936][574]LogNetPackageMap:W ...

[CrashReport] Ensure condition failed: ToPin->LinkedTo.Contains(this)

Gameplay - Blueprint - Oct 2, 2017

This is a frequent and longstanding Ensure that has occurred for more than 500 users since at least the 4.13 release. Additionally, there do seem to be a few crashes with this callstack mixed among ...

Setting Paper Sprite Component from within another component causes sprite asset reference to be lost on associated blueprint compile (nested components issue)

Gameplay - Blueprint - Sep 8, 2016

If a UPaperSpriteComponent is declared in a Scene Component class and the Scene Component is added as a component to a Pawn class, creating a blueprint of the Pawn and setting the Paper Sprite caus ...