[CrashReport] Assertion failed: !PinRef->bWasTrashed - UEdGraphPin::SerializePin()

UE - Gameplay - Blueprint - Sep 8, 2017

This is a common and longstanding crash that has affected more than 200 users since at least 4.15. This crashGroup was previously associated with [Link Removed], but that specific repro case has be ...

Camera behavior mismatch between PIE vs Packaged game

UE - Gameplay - Feb 19, 2015

When a camera is setup in code with GetWorld()->GetFirstPlayerController()->SetViewTarget(this); the camera will work in the editor but a packaged version of the game has a black screen. ...

Cannot paint landscape layers onto tiled landscapes

UE - LD & Modeling - Terrain - Landscape - Jun 30, 2015

paint layers do not take effect on all tiled layers that have a material incorporated if a user attempts to paint on them from the persistent level. ...

Going to an earlier point of a replay does not update to previous visibility state on an actor that was switched to not visible during demorec

UE - Networking - Jan 5, 2016

Going to an earlier point of a replay does not update to previous visibility state on an actor that was switched to not visible during demorec. Reproduced in 4.9.2 binary and Main (//UE4/Dev-Main C ...

Spline component that is altered in the construction script cannot be referenced by the Event Graph

UE - Gameplay - Blueprint - Apr 21, 2015

A Spline component that is altered in the construction script cannot be referenced by the Event Graph. ...

[CrashReport] FBlueprintEditor::OnRemoveExecutionPin()

UE - Gameplay - Blueprint Editor - Jul 14, 2017

This is a common crash affecting users on Mac and Windows. User Descriptionsremoving empty execution pins from sequence node Source Context 3952 void FBlueprintEditor::OnRemoveExecution ...

Functional Test won't start when placing a moving actor inside the level if setting Navigation Mesh's Runtime Generation to Dynamic

UE - Automation Test - Mar 21, 2019

User is trying to use the Functional Test class to construct some automated test cases. Whilst doing this they noticed that adding a BP_Actor (just a static mesh engine cube) that simply rotates (v ...

Blueprint parameter of a function call will break on reload of the editor

UE - Gameplay - Blueprint - Jun 8, 2015

When using a code created function call inside of a blueprint that takes in a pointer to a UBlueprint as a paramter the pin for setting the desired blueprint will cause a compile error when the edit ...

Changing screen percentage while in VR Preview will change screen coords for post process shaders

UE - Platform - XR - Jan 30, 2015

If a post process volume is set to use a material shader, reducing the screen percentage while in VR Preview will shift the coordinates left/right. ...

Application crashes when blueprint contains a copied timeline

UE - Gameplay - Blueprint - Oct 15, 2015

Copied timeline nodes triggers an Android crash and a black screen on the iOS devices. ...