The Editor freezes during PIE when loading a .sav file from 4.7 in a 4.8 or 4.9 project

UE - Gameplay - Jun 24, 2015

The Editor freezes during PIE when loading a .sav file from 4.7 in a 4.8 or 4.9 project. The user reporting this reports a memory leak and crash, but I have not been able to reproduce that in partic ...

Reduced Tessellation at edge when using world displacement

UE - Graphics Features - Jan 11, 2016

Adding a material to a mesh that is affected by world position offset has reduced tessellation around the meshes edges. This is seen when viewed in wireframe and is influenced based off of the angle ...

[CrashReport] UE4Editor-Core.dylib!<Unknown>

UE - Platform - Apple - Jan 13, 2016

Crash Reporter Link: [Link Removed] User's description in Crash Reporter: Clicked on the + button to GameModeOverride in the World Settings panel. ...

The DefaultSceneRoot's tooltip claims adding a new scene component will automatically replace it as the new root, but this is no longer true

UE - Gameplay - Components - Jun 24, 2015

The DefaultSceneRoot's tooltip claims, "Adding a new scene component will automatically replace it as the new root", but this is no longer true in 4.8 and 4.9. Instead, the DefaultSceneRoot remains ...

Modifying collision via SetTile does not recreate physics state or mark it dirty to do so later

UE - Gameplay - Paper2D - Jun 24, 2015

It should probably mark it as dirty but not recreate until end of frame (or expose it as a param to the method) since procedural generation would be too slow otherwise. We should also offer a funct ...

Inherited AnimBP properties not always working across editor restarts

OLD - Anim - Jan 21, 2016

In 4.11 when making changes to node properties in an animation blueprint they will not always appear to update in child blueprint instances when restarting the editor. In the attached project the l ...

PhAT Editor Crashes Engine when Collision Changed

UE - Simulation - Physics - Jun 25, 2015

When you change a section of a Multi-Convex Collision to Slyph and then Select the other sections, Engine will crash.Shift-selecting deleted convex in physics assets causes crash(From PhAT) Tried to ...

This user's project crashes when instanced levels and the player pawn are unloaded and destroyed

UE - Gameplay - Jun 25, 2015

This user's project crashes when instanced levels and the player pawn are unloaded and destroyed. This occurs in the ProjectLevelGameMode Blueprint, in the Touched Finish Point commented area. This ...

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 ...

On listen server, pawn vibrates back and forth

UE - Gameplay - Feb 10, 2016

A developer sent us a sample project and said that when you run on a listen server and move the player character around, the character model is all blurry as it appears the character is vibrating ba ...