Unreal Engine Issues

Destroying a camera actor makes the level Dirty

This does not occur except for Camera actors. ...

Copying an InstancedStaticMeshComponent does not render correctly

Compiling with VS2019 16.6 later causes garbled characters in output window

Using old behavior by applying true to NMakeUseOemCodePage property solves this issue.  in VCProject.cs​// Project globals (project GUID, project type, SCC bindings, etc) { VCProjectFi ...

Crash editor when many sequencers are opened continuously

Get crashed in editor when opening many sequencers using the EditorUtilityWidget,. It's not in UE4.25.3, but it crashes in UE4.25.4. And it only occurs when NVIDIA Aftermath (r.GPUCrashDebugging=1) ...

Deterministic cooking issue caused by ParticleModuleTypeDataGPU

This problem is similar to the following case. [Link Removed] [Link Removed] It seems to have been fixed in 4.16, but the licensee reported it in 4.25. ...

IPhonePackger re-signs app with old signature format that makes users get the warning popup on iOS

Apple forces developers to code sign an app using the latest code signature format and IPP needs to support it. a related link: [Link Removed] ...

Second controller input doesn't work setting client mode on PIE.

When two controllers connected, player2 input is disabled in client mode in PIE. It worked correctly in 4.25, but it has been wrong since 4.26.  Digging into FSlateApplication::ProcessKeyDownEve ...

Can't preview correctly when using Lookat Track with [Can Blend] enabled

When I play it in PIE, it plays fine. This problem does not occur in 4.25.4. ...

Volumetric Translucent Shadow does not work

SkyAtmosphere is not displayed in ES3.1 Preview

Atmospheric Fog is not displayed as well. ...