Unreal Engine Issues

Lighting data wiped if sub level is hidden while rebuilding lighting for visible levels

When building lighting now you can no longer have a hidden sub level and have it retain it's built light if it was previously built. For instance, if you have a persistent level and hide the sub-lev ...

Anim notify gets skipped when clips are placed next to each other

If a sequence has two clips(of a same animation) placed next to each other, some of the anim notifies do not seem to be called. In 4.14, the middle notifies are skipped (e.g. notifyBegin/1st clip ...

Crash editing Landscape Splines with Level Sequence Open

A crash occurs when attempting to transform a landscape spline with a Level sequence open. It is important to note that no key framing or animating of the landscape spline control point is occurrin ...

Crash after Splash Screen on Android (ETC2) when Adding r.UseShaderCaching and r.UseShaderPredraw

A crash occurs when adding the two rendering variables 'r.UseShaderCaching' and 'r.UseShaderPredraw' when deployed to an Android device packaged for (ETC2). I ran a few more tests to try and isolat ...

Spawned skeletal animations don't animate

Enabling For Distribution doesn't set config to Shipping in DefaultGame.ini

After I ran the above steps and then packaged for Windows and iOS (using File > Package in the editor), my resulting executable was Shipping. So far this issue is cosmetic / confusing to the user ...

Disabling all AnimBP assets for nativization causes an EDL circular load check on QAGame launch for the QA-Animation map.

Encountered while attempting to disable all AnimBP assets for nativization as a workaround for [Link Removed]. ...

DataTable CSV export; First member of Array not exported if set to default value

When using a struct as a type for TArray and first element of the array has first member variable of the struct set to default, it is not exported to *.csv ...

Frame 0 event does not get triggered when using SetPlaybackPosition

An event at frame 0 of a sequence does not seem to get called when using "SetPlaybackPosition 0" to reset the playback position to the start. This seems to be a regression. 4.17.2, the frame 0 even ...

Assert when having too many VR devices

Internal team is encountering a crash when adding too many VR devices. Email thread titled "Re: Crash Logs" The bug is an internal limit of devices the code supports, which is 8. If a controller o ...