Crash when a material with a texture parameter is deleted when it has instances with static permutations

UE - Rendering - Dec 28, 2016

This was the simplest solid repro I could get on this bug. The callstack is similar to [Link Removed] Also came across several Shader Compiling Manager crashes while attempting to repro this crash ...

Saving a new material after creating a landscape crashes the editor

UE - Rendering - Dec 27, 2016

This crash occurs when you create a landscape, then create and save a material. Note The crash does not occur unless a landscape was created first I came across a couple of crashes revolving around ...

Cannot change Collision Responses once component is custom selected from scene

UE - Gameplay - Dec 27, 2016

Cannot change Collision Response channel once component is custom selected from scene. This is only an issue if the component is selected by first selecting the actor in the world (scene), then sele ...

Crash occurs when opening a Blueprint that contains a variable that is of a type of a child of the Blueprint, as well as a component containing instanced UObjects

UE - Gameplay - Blueprint - Dec 23, 2016

A crash that is possibly the result of a circular dependency can occur if a Blueprint containing an ActorComponent with instanced UObjects and a variable that is a type of a child of itself is opene ...

Blueprint compile fails after changing the default values of a struct that is part of another struct that makes up a Data Table that is used within the Blueprint.

UE - Gameplay - Blueprint - Dec 23, 2016

Changing the default value of a struct that is included as an array in another struct can prevent any Blueprints that use a DataTable made from the second struct from compiling. It appears to be a p ...

Compile failure adding BTTask_RunBehavior C++ class to project

UE - AI - Dec 22, 2016

Error message in log is:CompilerResultsLog:Error: Error MyBTTask_RunBehavior.cpp.obj : error LNK2001: unresolved external symbol "public: virtual void __cdecl IGameplayTaskOwnerInterface::OnGameplay ...

Crash when using Set Collision Response on a Destructible component

UE - Simulation - Physics - Destruction - Dec 20, 2016

Crash when using Set Collision Response on a Destructible component. The repro is using the Construction Script but this also happens using Event Begin Play in the Event Graph on play. It crashing ...

Physics object resting on movable platforms have erratic physics behavior in 4.14

UE - Simulation - Physics - Dec 14, 2016

Physics object resting on movable platforms have erratic physics behavior in 4.14. This is a regression from 4.13.2-3172292 User Description: When placing more than 10 or 20 blocks on a moving pl ...

Ensure when setting Bone Axis to None in Spline IK

UE - Anim - Rigging - Dec 13, 2016

An ensure occurs when setting Bone Axis to None on a Spline IK node. This doesn't occur with any of the other options for Bone Axis. ...

Crash compiling animation blueprint with Spline IK node

UE - Anim - Rigging - Dec 13, 2016

Crash occurs when compiling an animation blueprint with a Spline IK node. This seems to occur only with the Start and End Bone settings set a certain (perhaps incorrect) way. In the example given, ...