Ribbon Emitter Lifetime Parameter Can Only Be Set Once

Rendering - Apr 18, 2017

You can set the ribbon particle parameter for lifetime only once during runtime. After that setting that parameter has no influence. ...

[CrashReport] Access violation - code c0000005 in FD3D11DynamicRHI::RHISetShaderTexture

Rendering - RHI - Apr 17, 2017

This crash occurs frequently for our users. It appears to be the same issue that was logged in UE-33077. For that Jira, the CrashGroup stopped getting updates after 4.13.2 - [Link Removed] Howeve ...

Crash When Opening Static Mesh After Enabling Forward Shading And Disabling "Support Stationary Skylight"

Rendering - Apr 17, 2017

After enabling forward shading and disabling "Support Stationary Skylight" opening a static mesh in the static mesh editor will crash the engine. REGRESSION? Yes Crash Did NOT occur in 4.15.1 CL ...

[CrashReport] Assertion failed: GetOuter()==NULL in UE4Editor_Core!FText::IsEmpty

Tools - Apr 17, 2017

This is a top 10 crash affecting many users. It is believed it may be related to the auto listen / reimport feature. The callstack shares similarities to past tickets, such as:UE-29143UE-35551 In ...

Ray Traced Distance Field Shadows Break At Certain View Angles and FOV

Rendering - Apr 13, 2017

RTDFS start to disappear or have visual artifacts when the camera's FOV dips below 90. Also, the smaller the FOV is the easier it is to reproduce the issue. It should be noted that I can only get ...

Single frame of blackness during iOS startup

Platform - Mobile - Apr 13, 2017

When a project is launching on an iOS device, there is a momentary flash between when the splash screen stops displaying and the game window opens. This flash is present even when using transition ...

Stationary Light Overlap View Mode Broken By Forward Renderer

Rendering - Apr 13, 2017

The stationary light overlap view mode doesn't work properly in the forward renderer. Everything gets a red highlight making it impossible to see overlap. Images attached. ...

[CrashReport] UE4Editor_Engine!FTexturePlatformData::GetNumNonStreamingMips() [texturederiveddata.cpp:1260]

Rendering - Apr 10, 2017

Was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below. Error message: Assertion failed: Mips.Num() > 0 [Link Remov ...

Actor Attached On Begin Play Offset on Client When Using SnapToTarget

Networking - Mar 27, 2017

When attaching an Actor during its BeginPlay, using SnapToTarget (when that location is not already matched up to the parent) creates an offset on the client. ...

Network profiler tool doesn't handle names with underscores gracefully.

Networking - Mar 24, 2017

The NetworkProfiler and UI tool assume that ActorNames are in the format <ClassName>_<ActorName>, and is not robust against underscores in either the class name or the actor name. However, given th ...