Default Values missing from Local Variables in Blueprint Actor Construction Script

UE - Gameplay - Sep 19, 2019

Specific to the Blueprint Construction Script, Local Variables cannot have their value set in the Editor, because the "Default Value" section of the Details tab will never appear. This only affects ...

Lumen interior light leaking occurs with realistic sun Lux values (20k)

UE - Graphics Features - Lumen - Aug 23, 2024

When a realistic sun Lux value of 20,000 for the sun directional light, interior light leaking is much more pronounced then when using the default directional light Lux value of 10 Lux. ...

Framerate drops when using SceneCaptureComponents with a RenderTarget in VR

UE - Platform - XR - May 14, 2018

Using SceneCapture in packaged VR projects causes poor performance. Also observed with SceneCaptureCube Does not occur in 4.18 ...

Crash When Curve Editor is on When Animating Button Transform in Widget Blueprint

UE - Editor - UI Systems - Mar 18, 2016

In a Widget Blueprint, after animating a button to transform vertically (possibly other directions) with the Curve Editor active, engine will crash upon creating a second animation. ...

Editor crash on close if custom Data Asset is not saved after hot reload.

UE - Foundation - Core - Mar 7, 2016

After creating an editor asset of a custom DataAsset class, if changes are made to to the class and hot reloaded, the editor will crash on close if the editor asset is not saved after the hot reload ...

Actor with Camera Component UProperty causes ensure when PIE ends if replicating

UE - Networking - Nov 17, 2015

If an Actor with a CameraComponent is set to replicate, ending a PIE session with 2 players will result in an ensure ...

Crash when using "Set Key Time" on an animation key in UMG

UE - Anim - Sequencer - Nov 25, 2015

If the user right clicks a key in the animation timeline in UMG and uses "Set key time" the editor will crash. [Link Removed] ...

Attempting to record a demo in PIE causes a crash

When you try to use the console command "demorec" to record a demo in PIE, a crash occurs. Note: This did not occur in 4.8.3 but another crash happened when trying to run the "demoplay" console com ...

Using "RecompileShaders All" while PIE crashes editor with an assert.

UE - Graphics Features - Nov 10, 2016

I ran the command with no actual changes to shaders. Recompileshaders global and changed did not crash the editor. ...

Launch crashes on Android if device has Wifi disconnected

UE - Platform - Mobile - Mar 10, 2016

Launch On crashes on a Android devices if networking is disabled. This used to work and should not crash. ...