Unreal Engine Issues
Unreal Engine Issues
UUserWidget::NativeDestruct may be called on a preview widget if PIE is started while the widget needs compilation
UE - Editor - UI Systems - Jun 4, 2018By starting PIE while an uncompiled widget is open in the widget editor, it's possible to trigger a call to NativeDestruct on the preview widget. This is especially dangerous because NativeConstruct ...
Cannot access properties of the FAppleARKitFrame struct from within a Blueprint
UE - Platform - XR - Jun 8, 2018It is not possible to access properties of the {FAppleARKitFrame}} struct within a Blueprint. The struct itself is exposed as a BlueprintType, but none of its properties are also exposed. ...
Crashes Caused by Deinitialization of Variables with Specific Names
UE - Gameplay - Components - Jun 14, 2018I was able to repro the crash in 4.19. Unable to open sample project in 4.20 or 4.21. Per Licensee: While porting one of our classes from using UMaterialBillboardComponent to a hand rolled Billboar ...
Migrating assets to a plugin causes references to break
UE - Editor - Content Pipeline - Content Browser - Jun 14, 2018The migrate function is meant for moving assets from one content folder to another, so it does no actual modification of the references in the migrated assets. This is normally fine, since we expect ...
Colors of Individual Lens Flare Tints Cannot be Changed in UE 4.18+
UE - Graphics Features - Jun 15, 2018If you create a project in 4.17 and follow the Repro steps, you will be able to adjust the colors of individual lens flares. If you copy the 4.17 project into 4.18, 4.19, 4.20 Preview, or 4.21 the f ...
Incorrect WorldType causes crash in ULandscapeSplinesComponent::CheckForErrors
UE - LD & Modeling - Terrain - Landscape - Jun 21, 2018When adding a sub-level that contains a Landscape and Landscape Splines to an existing Level, it will cause a crash when building the lighting. This issue was reported in 4.18.3 (CL 3832480) and t ...
Renaming parent invalidates childs hierarchy
UE - Gameplay - Components - Jun 22, 2018When renaming the Parent of a Child Blueprint it invalidates the hierarchy of the Child Blueprint and nests its components under the DefaultSceneRoot. This bug was reported in 4.19.2 (CL-4033788) a ...
DataTable Vertical offset when using Windows scaling above 100%
Tools - Jun 22, 2018If the windows scaling is set above 100% the rows in a data table will become misaligned as more members are added to the data table. Regression: Yes Did not occur in 4.17 - 3658906 Does occur in ...
Add multiple interface support to the multicast API of FSocket
UE - Networking - Jun 20, 2018The calls to JoinMulticastGroup and LeaveMulticastGroup on FSocket do not allow for the interface address to be passed in, only the the group address. The interface address is currently hard-coded ...
High DPI Monitors and Editor Ruler
Tools - Jun 25, 2018When using a high DPI monitor the Editor ruler will display an incorrect value in relation to the grid scale. ...