Unreal Engine Issues

Convert Mouse location to world Space appears to be returning the wrong values in VR

When using the node "ConvertMouseLocationToWorldSpace" in VR appears to be restricting the mouses position to a small section of the available screen. ...

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. ...

Particles can not be displayed once they disappear in ParticleLOD

I have attached a project to reproduce. [Link Removed] The problem is that if there are multiple emitters It seems to reproduce when all Emitter is Disable. It works well if there is one Enable. [ ...

Particles can flicker at the end of first emitter loop when interpolated spawning is enabled

Particles flicker at the end of first emitter loop when interpolated spawning is enabled This issue does not occur if interpolated spawning is disabled. This issue does not occur for any of the su ...

SkyLight IBL looks blurry on Android

Source control commandlets do not consistently check provider status for read only or checkout and instead rely on read only state of files

Fbx importer: Issue when reimporting staticmesh base LOD and there is some custom LOD

When we reset the material to fbx we should take care of the LOD since we will change/reorder the material slot array. ...

[Debug Tools][Crash] - Enabling au.editor.ForceAudioNonStreaming causes editor to crash the next time the user PIEs

Encountered while going through some debug commands. Repro 3/3. Crash Reporter Link: [Link Removed]Assertion failed: ChunkIndex != 0 [File:E:\User\Engine\Source\Runtime\Engine\Private\AudioStreaming ...

Building in VS fails if Application.ico is missing

When building a project in VS, the build process will fail if Application.ico is missing from the /Build/Windows/ folder. User reported seeing this when checking in/checking out a project on differ ...

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. ...