Unreal Engine Issues

Planar Reflections on Mobile short view distance for non single plane faces

Planar Reflections on mobile work well with single plane assets but not with anything with multiple sides, like a box. Tested in: 4.12.4 CL-3028348 4.13 Dev-Editor CL-3038075 ...

Nested material functions can generate duplicate shader code

Undo when modifying a single channel causes Entire Actor track to be selected

Undo when modifying a single channel causes Entire Actor track to be selected. This is problematic when you're trying to modify just the X, Y, or Z channel in the Graph Editor. ...

Changing a Packaged Game from Fullscreen to Windowed at Runtime Causes Title Bar to Disappear

When changing a packaged game from Fullscreen to Windowed mode at runtime, the window is placed in the top left corner of the monitor and the title bar disappears. Setting FullscreenMode=2 in the G ...

Full Scene Importer resets overrides when reimporting asset

When using the Blueprint Hiearchy Type for creation on the Full Scene Importer if you've previously imported and set some of the settings like the Override Lightmap Resolution via the BP and then re ...

Crash when rendering cinematic in a Separate Process without "-NoLoadingScreen" cmd argument

Crash when rendering cinematic in a Separate Process without "-NoLoadingScreen" cmd argument. Occurs in 4.12 and 4.13 in both Matinee and Sequencer Error message: Assertion failed: SizeX > 0 && S ...

Merge Actor tool can no longer merge just materials for an actor

In 4.11 when you selected an actor with multiple material elements with the merge actors tool open you had the option to merge the material elements into a single one. This option is no longer valid ...

Hitching when scrubbing values inside of color picker in binary builds

Large hitching is occurring when click dragging inside the color wheel of the color picker or scrubbing RGB, HSV, and Value/Saturation sliders. I am only able to repro this issue in Binary builds. ...

[CrashReport] UE4Editor_ShaderCore!FVertexFactory::Set() [vertexfactory.cpp:180]

This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Source Context: 165 return *VertexFactoryTypeIt; 166 } 167 } ...

Mouse is locked to viewport on PIE regardless of Game Gets Mouse Control property

The mouse is being locked to the viewport when you PIE. The toggle Game Gets Mouse Control (Editor Preferences/Play) does not appear to be working. It seems to always be on. With it off I would expe ...