Movie playback doesn't work on Mac and iOS the way it did before

Tools - Aug 5, 2016

New media framework is making Mac/iOS not render ...

Culling Distances Not Working For Static Mesh in Procedural Content Generation Tool and Foliage Tool

UE - World Creation - Procedural Tools - Mar 28, 2025

When creating Foliage or Procedurally Generated Content the culling settings of the Static Meshes do not apply correctly. As soon as either a minimum or maximum cull distance is set the Static Meshe ...

Crash Upon Sequencer Modification of Actor's Array Variable

UE - Anim - Sequencer - Dec 7, 2018

If Sequencer event track modifies an Actor's Integer Variable Array that is exposed to Cinematics, the Editor will crash when the Stop button is pressed. ...

PhysX crash when SetMaterial is called

UE - Simulation - Physics - Mar 14, 2016

When provided sample project is run in PIE, crash occurs after call to SetMaterial() is made in code. Downloadable Project: [Link Removed] CrashReporter: [Link Removed] ...

Animation does not update in realtime as keys are moved in Additive Layer Tracks

OLD - Anim - Oct 3, 2016

This is a regression from 4.13 ...

Crash attempting to open an asset from Aim Offset graph in Persona

UE - Gameplay - Oct 3, 2016

This is a regression from 4.13 ...

Static Point build different lighting shape to what the Gizmo shows

UE - Graphics Features - Jun 1, 2018

It has no problem in 4.18 ...

Can't build a project with a plugin only has header files and lib/dll

UE - Foundation - Cpp Tools - Sep 13, 2018

It's ok for 4.19. ...

A plugin CanBeUsedWithUnrealHeaderTool=true with "Program" type will not be compiled

UE - Foundation - Cpp Tools - Sep 19, 2018

It is ok for 4.19. ...