Editor crashes when attempting to open a new level from a level that has an external curve in a timeline within the level blueprint

UE - Gameplay - Blueprint - Oct 27, 2014

The editor crashes when a user imports a float curve into a timeline within the level blueprint then attempts to open another level. ...

UMG widgets aren't cleared when levels are swapped via 'open LevelName'.

UE - Editor - UI Systems - Oct 30, 2014

If a level has UMG widgets, swapping to other levels (including the level you're already on) doesn't clear away the UMG widgets. ...

AddProceduralMeshComponent node throws UnknownTemplateReferenced errors in duplicated Function

UE - Gameplay - Blueprint - Aug 5, 2015

AddProceduralMeshComponent node throws UnknownTemplateReferenced errors in duplicated Function User description: 1) Make a function that has a Add Procedural Mesh Component node. 2) duplicate func ...

Construction Script fires multiple times when the Const Script is compiled

UE - Gameplay - Blueprint - Apr 30, 2015

Construction Script fires multiple times when the Const Script is compiled. If the character is moved on the grid in the level, it will only fire once. It only seems to be an issue on bp compile. ...

Memory leak after exiting PIE

There appears to be a memory leak when you PIE and then exit PIE. Users are reporting that each time they PIE, their RAM usage jumps up, say, 10MB, then when you exit PIE, it only drops down 5MB. ...

When no root is present, Sequence Recorder sets top bone to origin

UE - Anim - Sequencer - May 12, 2016

With skeltons that don't have a root or have a root that is not at the origin, sequencer recorder will snap it to the origin in it's recorded animations. [Image Removed] ...

Set Physical Material node in BP do not work with Destructibles

UE - Simulation - Physics - Destruction - Apr 7, 2015

Using the Set Physical Material for Destructible does not work currently. In comparison with a static mesh physical material will change via key press during gameplay. ...

Collision Preset Cannot Be Changed On an Actor Containing a Scaled Root Component

UE - Gameplay - Jan 15, 2016

In an actor that contains a scaled root component, it is not possible to change the collision presets on an instance of that actor if you are using the Viewport's Details panel. However, in the blue ...

Execute Console Command function differs from the Engine Scalability Settings

UE - Graphics Features - May 14, 2015

When executing the 'execute console command' with 'sg.ResolutionQuality 25' the engine scalability settings are at 6%. When you set the 'sg.ResolutionQuality 50' the engine scalability settings are ...

Garbage Collection Causing Noticeable Hitches

UE - Foundation - Core - Apr 11, 2016

Garbage Collection is causing noticeable hitches on whatever interval it is run on. This is noticeable in the UE4 Profiler, as you will see a spike every X amount of seconds, depending on how often ...