Opening a Sprite that is already opened in Property Matrix closes the Property Matrix tab

Tools - Dec 22, 2014

Opening a Sprite that is already opened in Property Matrix closes the Property Matrix tab. This is inconsistent with other asset types; tested with Textures, Materials, and Blueprints, and in each c ...

Assertion failed: !EditReregisterContexts.Find(this)

UE - Gameplay - Jun 22, 2015

Editor crashes if a blueprint has "Can Ever Affect Navigation" changed multiple times and is compiled. Crash link: [Link Removed] Frequency: 4/4 ...

Scale with Width on Landscape Splines offsets plane mesh on Z axis

UE - LD & Modeling - Terrain - Landscape - Apr 22, 2015

If "Scale with Width" is set on a landscape spline with a plane mesh, the plane will offset on the Z axis. In most other cases, scaling along the z axis does not affect planes. ...

BP Struct's 'Bool variable' will reset back to it's default value on compile

UE - Gameplay - Blueprint - Mar 18, 2015

BP Struct's 'Bool variable' will reset back to it's default value on compile. ...

WidgetBlueprint::DrawLines has broken AA on sharp cornered lines

UE - Editor - UI Systems - May 9, 2016

WidgetBlueprintLibrary::DrawLines which calls FSlateDrawElement::MakeLines has broken AA for sharp cornered lines. ...

Sounds Triggered on Android playback 3 times in quick Succession

UE - Audio - Oct 1, 2015

Users are reporting that when playing sounds in projects deployed to their Android Devices, the playback is triggered three times in quick succession. There are known work arounds to this issue, li ...

Foliage Painted on BSP is Deleted after Building Geometry

UE - World Creation - Worldbuilding Tools - Foliage - Dec 15, 2014

After painting foliage meshes on a BSP surface and rebuilding the level (more specifically the geometry), the meshes are deleted. This bug is especially nasty because you cannot Ctrl+Z after buildi ...

Assigning a new Collision Channel to an already fractured Destructible will cause a crash

UE - Simulation - Physics - Destruction - Sep 6, 2016

The editor will crash when assigning a new collision channel to an already fractured destructible mesh. Tested in: 4.13 CL-3106830 4.14 Dev-Main CL-3109838 ...

Crash when DFAO is disabled and a lower scalability is used while Distance Field Shadowing is enabled.

UE - Graphics Features - Feb 2, 2016

When enabling Distance Fields for a project and adjusting the cvars to disable DFAO and set a lower Detail Mode will result in a crash. Using the console commands outlined in the steps will work. ...

UX Regression on Open Asset Panel

Tools - Aug 31, 2015

In 4.8.3, open asset would allow you to type the beginning on an actor name, then press the down key and select it. In 4.9 p4, it takes an extra down key press to get to the list; Upon first down a ...