Unreal Engine Issues

Hot Reload cannot be performed when using the DebugGame Editor configuration

In 4.21.1 it is no longer possible to perform a Hot Reload when the game is open in the Editor and using the DebugGame Editor configuration. REGRESSION: Yes. A Hot Reload was possible in 4.20.3 whe ...

Virtual Bone effect is lost after re-importing mesh

After setting up a Virtual Bone on the skeleton and having it drive a Skeletal Control Node in an Animation Blueprint. Reimporting the skeletal mesh will cause the setup in the Anim BP to revert bac ...

Child Actor Audio Volume Makes UE4 Crash

When creating an actor, adding a child actor component to it, and setting that child to a Audio Volume the Editor will crash if you try to change any of the Audio Volume settings. ...

Depth Fade Material + Mobile HDR Disabled does not work with OpenGL 3.1 on Oculus Go

"Depth Fade" material node does not work on Oculus Go with Open GL 3.1 active and Mobile HDR disabled. Seems very similar to [Link Removed] however disabling Separate Translucency or calling  r.M ...

Blueprint graph stops drawing correctly after using shift-drag

When shift-dragging in the Blueprint graph and ending the drag on a node with a connected wire, the Blueprint graph will freeze up. There is an attached video that showcases the issue as well. Th ...

Sequence node numbering error when adding execution pin.

When using the "Insert execution pin after" option with a sequence node "Then 0" gets removed. ...

In the Editor details panel for a float, When entering a decimal of 18 numbers results in incorrect truncation.

In Editor details panels for a float value, when entering a decimal of 18 numbers results in incorrect truncation. ...

Android 9 has api compatibility problem

UClass::HasProperty() returns true for properties in a child class even though the comment for the function indicates it checks for the property in the current class and parents of the current class

The comment describing UClass::HasProperty() indicates that it checks to see if a specified property exists in a class, or a parent of that class. However, when a property that exists in a child of ...

FMD5::Update can crash when used with packages larger than 2^31

This bug was reported by Nurulize on UDN: UPackage::Save calls FMD5::Update at line 5918 The bug comes from the fact that Writer->TotalSize() is int64 vs the 2nd parameter of FMD5::Update which ...