Creating a copy of BSP after fliping it in geometry edit mode cause the copy to be invisible

UE - LD & Modeling - Modeling Tools - BSP - Aug 29, 2014

Branch Build Label UE4-Main Promoted-CL- 2270796 DESCRIPTION: If a player goes into geometry edit mode and flips a bsp then makes a copy of it the copy will appear invisible ADDITIONAL NOTES: A ...

Plugins need to support localization

UE - Editor - UI Systems - Localization - Jul 29, 2013

Plugins need to support localization. Also requested by this licensee: https://udn.unrealengine.com/questions/280012/%E7%8B%AC%E8%87%AA%E3%81%AE%E3%83%95%E3%83%A9%E3%82%AF%E3%82%A4%E3%83%B3%E3%83% ...

Crash occurred moving folder while connected to source control

Tools - Jul 1, 2015

I went to move our SpeedTree test assets to a new location and after selecting checkout editor crashed I've been unable to reproduce this crash, but looking on crash reporter several users have hit ...

Crash in FMediaPlayerBase::TickPlayer in Shipping builds

Media Framework - Jul 28, 2017

A crash can occur in FMediaPlayerBase::TickPlayer in Shipping builds. This is because FMediaPlayerBase::NativePlayer is not a thread-safe shared pointer. The fix is to make it ESPMode::ThreadSafe. ...

Distortion Displacement Track is empty in new level sequence using a distortion file with a framerate of 0

Docs - Samples - Aug 8, 2017

Distortion Displacement Track is empty in a new level sequence using a distortion file witha framerate of 0. ...

External textures only work in pixel shaders

UE - Platform - Mobile - Nov 21, 2017

External textures currently only support pixel shaders, presumably because some platforms, such as Android only have pixel shader support. On other platforms this causes a regression though: For exa ...

Audit usage of StaticClass() in AssetMappingTable and AnimationAsset code

OLD - Anim - Jan 24, 2018

A user has pointed out that code in AssetMappingTable.cpp and AnimationAsset.cpp are using the StaticClass() method on pointers. Because StaticClass is a static method, it relies on name hiding to ...

DebugEditor checkLockFreePointerList(TLS.NumPartial >= 0 && ((!!TLS.NumPartial) == (!!TLS.PartialBundle))) fails

UE - Foundation - Core - Feb 6, 2018

Occasionally, the Engine/Editor crashes on startup with an assertion in the lock-free void pointer list. ...

Possible to have a null AudioComponent in ApplySettings

UE - Audio - Mar 5, 2018

User is having issues where they are getting crashes in ApplyVoiceSettings. This should only ever be called from FVoiceEngineImpl::SubmitRemoteVoiceData. In that method, if no SynthComponent is av ...

Cannot compile nativized Blueprints containing a delegate signature that includes a TMap (paired) type as a parameter.

UE - Gameplay - Blueprint - May 15, 2018

Paired types (e.g. TMap) in a delegate signature do not compile after nativizing a Blueprint class containing it due to the macro expansion and comma inside the template spec between key and value t ...