Unreal Engine Issues

Sub Anim Instances don't properly account for Blend Weight when firing notifies.

QABP_Containers is dirtied when opened

REGRESSION: Yes, does not occur in 4.16.3 In QAGame, the blueprint QABP_Containers is dirtied (needs to be compiled and saved) when the user opens it. This occurs every time the editor is restarte ...

Crash in FMediaPlayerBase::TickPlayer in Shipping builds

A crash can occur in FMediaPlayerBase::TickPlayer in Shipping builds. This is because FMediaPlayerBase::NativePlayer is not a thread-safe shared pointer. The fix is to make it ESPMode::ThreadSafe. ...

Copy/pasting component results in broken duplicate component (named _GEN_VARIABLE)

REGRESSION: Yes. Does not occur in 4.16.3 Using Copy/Paste to duplicate a component will result in a broken duplicate component. This doesn't occur if the user uses Ctrl+W to duplicate. On compi ...

Removing the only linked pin on a Make Array/Set node does not revert the remaining pins to Wildcard

When the user removes the only linked pin on a Make Array or Make Set node, the remaining pins do not return back to being Wildcard pins, unless the user refreshes the node. ...

Renaming a Sequencer spawnable actor in the World Outliner will revert on save

Renaming a Sequencer spawnable actor in the World Outliner will revert back to the old name on save. Not a regression because Sequencer spawnable actors in 4.16 didn't show in the World Outliner. ...

[CrashReport] Linux crash - /usr/lib/nvidia-375/libGLX_nvidia.so.0()

This is a common Linux crash that has occurred since at least 4.14. From LogLogEditorViewport: Clicking on Actor (LMB): StaticMeshActor (pared_cubos15) LogRHI: Timed out while waiting for GPU to ...

UE-47779 - Crash exiting packaged PlatformerGame while in the Main Menu

This was occurring when I quit via the Quit button in the Main Menu GUI. I also repro'd this using the "Quit" command in the console. I found this on Linux, but this was repro'd on Mac and Windows ...

EngineTest crashes on open when opened through Binary - UVGeneration.usf

Crash occurs when opening EngineTest in Binary Launcher, this occurs on both Windows and Mac. Issue does not occur when opening through P4.Fatal error: [File:D:\Build\++UE4+Release-4.17+Compile\Syn ...

[CrashReport] Assertion failed: !bIsReentrant - UE4Editor-UnrealEd.dylib!SaveWorld()

This is a common crash on Mac in 4.16 and has occurred since at least 4.14. User DescriptionsI added a character to a blank map and tried to save it. Callstack from LogLogEditorViewport: Clicking ...