MediaFramework movies not playing properly in Shipping

Media Framework - Nov 7, 2017

`check(Samples.Pop());` this kind of `Pop()` inside of a `check()` is in a few places in MediaSampleQueue.h and MediaSamples.cpp but `check()` expands to nothing in Shipping/Test, so, required work ...

“Receives Decals” is not respected on Procedural Mesh Component

UE - Graphics Features - Oct 14, 2022

(Enduring Games) I investigated it and found that the following primitive data flag test in BasePassPixelShader.usf fails: (GetPrimitiveData(MaterialParameters).Flags & PRIMITIVE_SCENE_DATA_FLAG_DE ...

UWorld::RemoveFromWorld does not check Pointer Reference for null before use

UE - Gameplay - Dec 12, 2017

The code in UWorld::RemoveFromWorld that removes Pawns that are about to be streamed out does not check to see if the pointer that it sets is null prior to using it. In cases where Pawns are rapidly ...

Suspension CoM calculations don't update with mass.

UE - Simulation - Physics - Dec 15, 2016

UWheeledVehicleComponent calculates the Suspension settings only when the physics state is first created. When CoM is set through the editor, the vehicle is constructed with the appropriate offset ...

Actor Sequence Component Not Working While Playing in Standalone

UE - Anim - Sequencer - Jun 6, 2017

When using an Actor Sequence Component in an actor blueprint, the sequence will not play in Standalone. In the test, a cube was used and was increasing its scale using the sequence. When playing in ...

Divide by zero in beam update can cause editor to crash in Cascade

UE - Niagara - Sep 23, 2019

The licensee has traced the issue back to a divide by zero in  UParticleModuleTypeDataBeam2::Update. If the Target and Source are the same then the beams magnitude will be zero. When there is a Nois ...

[MetaSounds] - Trigger on Threshold node Crashes editor on play when using literal value for threshold

UE - Audio - MetaSounds - Mar 15, 2022

Editor crashes when Trigger on Threshold node is hooked up in a Metasound graph and played using a threshold value defined on the node. If you use an Input node for the Threshold value, the crash do ...

Combo box does not function in packaged build

UE - Editor - UI Systems - May 10, 2017

The ComboBox (string) element for UMG is not correctly displaying, The array options do not appear and can not be selected, for the packaged build, while PIE behaves as expected. Regression: This ...

Editor Crashes When Enabling Closed Loop on Spline in Blueprint

Tools - Oct 18, 2016

Editor is crashing when setting closed loop in the construction script of a blueprint. This did not occur in 4.12.5 following the same repro, this is a regression. ...

Recorded sequences create broken "Visibility" tracks instead of "Hidden in Game" Tracks

UE - Anim - Sequencer - Jun 19, 2017

Recorded sequences create "Visibility" tracks instead of "Hidden in Game" Tracks. "Visibility" tracks appear to be legacy tracks that you can't create anymore, but is still created by Sequence Reco ...