Unreal Engine Issues

drag the progress bar in level sequence would crash in debug editor

it seems in FSequencerTimeSliderController::ComputeFrameTimeFromMouse the CursorPos is -nan ...

Alembic Import with empty first frame will cause the editor to crash

The editor will crash when importing an Alembic file with an empty first frame. ...

SkyLight IBL looks blurry on Android

Typos in Array.h

In Array.h, there are a few typos in comments. In 4.9.2 and 4.10, the typos occur at line 2335 and 2359. *@param InIntem Item to be added. In Main, the typos are located at lines 2471 and 2495. ...

When using a SpeedTree asset, a Zero Triangles warning appears

When exporting from SpeedTree with LODs + billboard, It seems that a warning is issued by including a material used only by Billboard. Is there a way to deal with it? ...

Scaling skeletal mesh components breaks capsule shadows

Increasing the scale of a skeletal mesh actor with Capsule Shadows set to true causes the shadow to appear chunky and broken. Regression (No), feature was not present in 4.10.4. ...

Crash when using Vertex painter with material including cubemap texture sampler

Engine crashes when static mesh have material with cube sampler in vertex painter mode. Simply DaylightAmbientCubemap_Mat have texture cube as texture sampler. This is not reproduced in 4.15 versi ...

Float RGBA Framebuffer rendering settings changes UI

When changing the rendering Frame Buffer Pixel setting from "10 bit RGB 2 bit alpha" to "Float RGBA".  The Editor's UI will change.  (Please see the attached screenshots for comparison) ...

Crash in Persona when adding Notifies

REOPENED NOTES: Crash Reporter: [Link Removed] Test Project: [Link Removed] Open project and press Play: Editor will crash. User reports this being due to sequential animations not being the sam ...

SButton and SBorder multiply color and opacity twice

Currently, the SButton and SBorder widgets multiply the color and opacity during OnPaint before calling the super (SCompoundWidget::OnPaint). This causes the operation to be done twice, since the co ...