Unreal Engine Issues

When welding a procedural mesh component to a non-physics simulated static mesh that overlap they collide continuously

When attaching a Procedural Mesh Component with a copied static mesh to a static mesh component the two meshes collide and "push" each other (go flying on play). Weld is to be used for simulated ph ...

Blueprint class's property is overridden by parent blueprint class

I did some research. The problem is caused in CoreNative.cpp. In Function GetInstancedSubobject (Line 126) We should check if instance is runtime instance first. If it is runtime instance, just us ...

Selected tool using ScriptableTool might get closed when selecting an exposed property.

When using a created tool of the ScriptableTool plugin, and setting an InstanceEditable variable, the tool might get close. For this to happen, we need to have a ToolPropertySet attached to the too ...

Character jumping between two moving platforms will incorrectly inherit the sum of both platform velocities

A character standing in a base will match its velocity to the base's velocity. If that character jumps into another base its velocity will be added to the new base's velocity and the character will ...

Context sensitive actor list retrieves temp folder data in blueprints while using source control

If a project uses source control and a blueprint has been diffed against previous revisions, the revisions will appear within the temp folder. This temp folders contents appear in context sensitive ...

Android sessions do not appear in Session Frontend

FString.Mid doesn't react appropriately when given negative values for the Count variable

If you use a 5 character string (hello) to call the Mid function and provide 0 for start, -1 for count, it'll give you the entire string. This should either return an assert or treat all negatives a ...

BP - Editing defaults on a nested subobject of a component inherited from a native parent class won't preserve those defaults when the BP is instanced.

I think the issue is that in GetInstancedSubobject() (CoreNative.cpp), the following bit of code is not considering that the instanced subobject might be outered to another instanced subobject withi ...

Modifying ShooterGame header file for faster compiling causes crash behavior.

Using bFasterWithoutUnity and MinFilesUsingPrecompiledHeaderOverride, on ShooterGame.Build.Cs results in Engine crash. ...

Editor crash when using Animation BP pose watch

We encountered a crash when using Anim BP Pose Watches to inspect poses on actors in a PIE instance. Specifically it seems ending the PIE session while the Anim BP is still watching the actor in the ...