Unreal Engine Issues

Editor crash when a Breakpoint is added to a Widget's Tick function

Editor crashes when a widget's tick contains a breakpoint at a print string node. Based on 4.16 warning message, this appears to be caused by the text attempting to draw when no draw buffer is avai ...

Moving a Copy of an Actor from Persistent to Sublevel Dirties Persistent Level

Using Alt-Drag to move a copy of an actor from the persistent level to a sublevel (when the sublevel is selected as the current level in the Levels window), the persistent level is getting marked as ...

Hard reference gets created by adding a retarget source to a skeleton

Adding a retarget source to a skeleton would create a hard reference from the skeleton to the mesh(retarget source mesh). ...

IMovieSceneEasingFunction fails to nativize when not using Inclusive nativization

https://udn.unrealengine.com/questions/385999/assertion-failed-isingamethread.html ...

Ensure compiling a blueprint with itself as a Child Actor Component

Ensure occurs when the user creates a cycle with a blueprint containing itself as a child actor component. ...

Redo history is deleted if the user clicks inside the blueprint graph

Not a regression as it occurs in Release-4.17 ...

Crash upgrading a UMG project

[CrashReport] UE4Editor_SlateCore!TWeakPtr<SWidget,0>::Pin() [sharedpointer.h:1120]

This is a trending crash in the 4.17.0 release. User DescriptionsEditor is crashing each time when i start movie rendering in sequencer (Separate process) Source Context 1109 /** 1110 ...

[CrashReport] UE4Editor-Core.dylib!FTextHistory::Rebuild(TSharedRef<FString,()

This is a trending Mac crash in 4.17.0 that has also occurred with some frequency since at least 4.14. I have not been able to identify any matching callstack occurring on Windows, although it does ...

[CrashReport] Mac crash - UE4Editor-MetalRHI.dylib!GetMetalDeviceContext()

This is a trending Mac crash in the 4.17.0 release. Users have not provided any descriptions of their actions when the crash occurs. ...