Unreal Engine Issues

Game window will not regain focus when startup movie is playing

The game window cannot be focused while startup movies are playing.  ...

Virtual Production Template - Blank Template under Film, Television, and Live Events has AJA/BlackMagic plugins enabled by default on unsupported platform

Rhino - Tessellation - 'Crack Free Displacement' not compatible with meshes

Meshes imported from rhino are not compatible with 'Crack Free Displacement' ...

[Feature Request] Validate resource lifetimes in Mesh Draw Commands to help debug dangling pointers.

Mesh draw commands don't hold strong references to resources. When caching mesh draw commands, their lifetimes can match the parent scene proxy, which can be very long. This increases the chance tha ...

ShouldRender() in USceneComponent Doesn't Check Against IsVisibleInEditor()

IsVisible()/IsVisibleInEditor() should be a contribute to the logic in ShouldRender(). NOTE: This code was written during the UE3 life cycle. Found in 4.22 CL#7053642 ...

Screen Aligned(Velocity) particles deform at low velocity

Screen aligned particles with very low velocity will squash in 4.23+ (No squashing in 4.22) Confirmed in 4.25 MAIN at CL 10333042 ...

WMR crash while switching between window and fullscreen mode

Crash in MixedRealityInteropDebug.dll!WindowsMixedReality::MixedRealityInterop::BlockUntilNextFrame() check_hresult(WINRT_SHIM(Windows::Graphics::Holographic::IHolographicSpace2)->WaitForNextFrame ...

Vulkan leaks memory when opening and closing windows

As described here: https://udn.unrealengine.com/questions/532725/index.html (1) Start Prebuilt Vanilla 4.23.1. with Vulkan enabled (2) Create a new project (3) Drag and drop the Sphere from “modes ...

Opening a new sequence can have SavePreAnimatedState and RestorePreAnimatedState called out of order

When switching to a sequence where the current time is not in the target view range the PreAnimatedState of the new sequence will be saved before restoring the PreAnimatedState of the old sequence.  ...

[Feature Request] 3D Text - Contextual Analysis - Localization

New Text 3D plugin does not process contextual analysis for Arabic Expected: Arabic characters should change shape based on the placement of a letter in a word (similar to how in English, a letter c ...