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. ...

Code based interfaces do not appear in Interface selection dropdown

UE - Gameplay - Blueprint - May 4, 2017

When adding an interface to a blueprint, only blueprint created interfaces are available. Engine / custom interfaces written in code are not listed. Regression: Yes - custom interfaces are present ...

[CrashReport] Mac crash in FMinimalDummyForwardLightingResources

UE - Graphics Features - Jan 18, 2017

This is a frequent crash occurring in the 4.15 Preview. No other information is currently known. Regression? Yes - there is no evidence of this occurring in 4.14 ...

Anchor text can be scaled via the scale box

UE - Editor - UI Systems - Mar 13, 2017

Anchor text can be scaled via the scale box. The scaling for the anchors of widget can be affect if placed in a scale box ...

MatineeFightScene too dark due to tonemapperfilm changes

Docs - Samples - Jan 31, 2017

MatineeFightScene is heavily dependent on the old Film settings in the tonemapper. Since 4.15 made changes to this, the scene is extremely dark. The project needs r.TonemapperFilm=0 added so that i ...

Right side of viewport renders black in stereoscopic

UE - Graphics Features - Jan 19, 2017

When in VR preview the right eye is solid black. This has been reproduced on multiple machines using both the Oculus and HTC Vive. The same effect is also achieved when running -emulatestereo – ...

Add button in Override Materials property is not responding.

Add button in Override Materials property is not responding in Skeletal Mesh > Rendering section in detail panel. This is not responding from 4.15 and above. ...

Crash upon launching packaged game with nativized blueprints that include Add Child Actor Component node with a class already set

UE - Gameplay - Blueprint - Jun 14, 2017

When using the Add Child Actor Component node with a class set on the node with Blueprint Nativization enabled, the packaged game crashes upon launch. A workaround for this is to leave the class bla ...

Circular reference causes unrelated binding to fail in packaged game

UE - Editor - UI Systems - Sep 19, 2017

Text field does not load binding if the widget containing the text field contains an unrelated circular dependency and Event driven loader is disabled. Tested this in 4.15, 4.16, 4.17 4.15 Does n ...

Twinmotion sign-in error when attempting sign-in inside app

TM - Core - May 18, 2026

Reported in SF [Link Removed] Attempting to sign into Twinmotion from within the TM 2026.1 editor results in a consistent sign-in error using the sign-in buttons. Initial sign-in during launch whe ...