Calling SetMassOverrideInKg in a constructor will crash the engine on launch

UE - Simulation - Physics - Feb 25, 2016

Calling SetMassOverrideInKg reaches back to a "check(GEngine)" call in BodyInstance.cpp (line 2998). B/c of this check, the engine will crash on load if SetMassOverrideInKg is called inside a class ...

UMG widget appear darker on Mobile preview and device than in PIE

UE - Platform - Mobile - Nov 24, 2015

When using mobile preview or when viewing on the device the colors for widgets appear darker. May be related to [Link Removed], however this was marked as fixed and I tested the project that was g ...

Landscape with 3 layers has corrupt texture coordinates when running on iOS/Metal

UE - LD & Modeling - Terrain - Landscape - Jun 26, 2015

Landscape with 3 layers renders with corrupted texture coordinates for one of the layers when running on iOS/Metal. Disabling the LANDSCAPE_BUG_WORKAROUND shader file fix causes the problem to occu ...

Complex Collision as Simple causes odd Overlap behavior

UE - Simulation - Physics - Jan 25, 2016

When triggering overlap events with a Static Mesh using Complex Collision as Simple, the overlap Begin and End events will be triggered rapidly in sequence. Changing to Default collision will fix t ...

Converting Project from 4.11 to 4.12 and Above Changes Relative Scale of Sockets to 1

UE - Gameplay - Sep 21, 2016

When converting a project from 4.10/4.11 to 4.12(or later) the relative scale of the sockets on skeletal meshes will be changed to 1,1,1 regardless of the previous settings. ...

Crash disabling Import Tags from Config in Project Settings

UE - Gameplay - Nov 4, 2016

Crash occurs when disabling Import Tags from Configs in the Project Settings under GamplayTags. There are also ensures that occur with it, linked here. If these need a separate fix, I can enter a ...

One-off Crash after Hot-reload compile from Editor

UE - Foundation - Core - Oct 20, 2016

The compile toast notification read that it was successful, then the Editor crashed about 10 seconds later. Error Message in Crash Reporter: Access violation - code c0000005 (first/second chance n ...

Simulated physics after a delay causes physics objects to fall through one another if their collision is overlapping

UE - Simulation - Physics - Apr 25, 2016

Actors that simulate physics after a delay will fall through other physics actors if their collision is touching or overlapping. Note May be related to [Link Removed] Regression? (No), issue (doe ...

Datatable shows serialization of struct variables within a struct

Tools - May 18, 2016

If a datatable is created from a struct containing another struct, added rows will show serialization values in the datatable editor for struct variables. Regression (No) issue (does) occur in 4.1 ...

Delta applied twice when moving parent and grouped child actors

UE - Gameplay - Apr 8, 2016

When some grouped actors are childed to another actor, and both the group and the parent are selected in the world outliner, movement delta is applied twice to the grouped children. Code for a poten ...