Unreal Engine Issues

Allow some scrubbing when snapping play time to keys

The option for snapping the play time to keys while scrubbing is overly aggressive. We'd expect the behavior to snap to the key within a certain tunable tolerance, similar to the option for snapping ...

Transform key time isn't accessible in the Property editor for keys

GarbageCollection - Ensure occurs when force deleting content that is still referenced in memory

While AdHoc testing in //UE4/Release-4.16 CL 3437809 in Binary – I found that deleting the projectBP folder of any Template project causes an ensure. I believe this issue is due a step in the garbag ...

Creating a plugin in a C++ project opens a second instance of Visual Studio

Note If creating the project outside of Binary, build the project in VS, but do not close it. When creating a new plugin, the editor compiles the project and opens in Visual Studio. If the project ...

Specular Highlight Much Stonger/Larger In Forward Shading

In forward shading specular highlights appear to be much larger for very smooth materials in contrast to the deferred shader. In 4.14.3 the specular highlights were displaying correctly in forward s ...

Crash playing in ShooterGame

Crash occurs when playing ShooterGame in editor. I could not reproduce this issue in Main. ...

Landscapes do not Render when used with Lighting Scenarios on Mobile

Landscapes disappear using Lighting Scenarios when deployed to a mobile device. When playing in the editor using the mobile previewer, everything looks as expected. It only occurs when deployed to ...

Alt tabbing into the Blueprint Editor while a Microsoft IME keyboard is active causes the editor to freeze

If you change focus to the Blueprint Editor (Alt+tab) while a Microsoft IME keyboard is active, the editor will freeze for a short time. The duration of the freeze is dependent on the number of blue ...

Placing a Physics Constraint Component in an Actor Triggers a Warning During PIE When There Are No Constrained Components

A warning is appearing in the output log during PIE when an actor contains a Physics Constraint component that does not have any constrained components set. This did not occur in 4.15.2, this is a ...

EngineTest.uproject requires OnlineSubsystemMCP

Licensees are unable to run GenerateProjectFiles.bat from a perforce pull due to a non-optional OSSMcp dependency ...