Unreal Engine Issues

Meshs in a hidden sublevel may generate incorrect navmesh

If the level has hidden sublevels, the regenerated navmesh result appears to have a hidden sublevel mesh placed at the origin. Apparently, the reason is that bNavigationRelevant is no longer consid ...

Creating a new theme is lost once the editor is restarted

Creating a theme is undone when restarting the editor. The .json file seems to become disassociated from the editor, the theme is reset back to the previous theme, and the new theme isn't available ...

pose search cook determinism issue

CreateDynamicMaterialInstance will pull from the base rather than overridden mesh on SkinnedMeshComponent when run from construction script

When UPrimitiveComponent::CreateDynamicMaterialInstance is called on a skinned mesh, and the input material is invalid, we call USkinnedMeshComponent::GetMaterial to get the base material on the exi ...

Anim State Notifies Don't Consistently Fire Begin/End Events for Looping Anim Sequences

If you have an Animation Notify State and set it up on an animation to start at the exact beginning of the anim sequence and finish exactly at the end (I have attached a picture of this). It doesn't ...

Custom functions can call Set Timer nodes

Custom functions can call Set Timer nodes. There are no other time related functions that can be called through custom functions. Calling a timer through custom functions seems to lead to editor cra ...

EDITOR: CRASH: Saving a project while an auto save is occurring will crash the Editor.

If a user initiates a save using Ctrl+S while an autosave is in progress, the Editor will crash. CRASHREPORT: [Link Removed] ...

BP editor - Unable to edit details of a native component named as 'RootComponent' in C++ code.

Looks like maybe the PropertyView stuff doesn't like it when the subobject name matches the parent's object property name? In this case the CDO is the object that will be selected to the PropertyVie ...

Regression: Undo Transform not reflected in Blueprint Viewport

During workflow I came across this bug when I was trying to move multiple items around in the blueprint to create a structure. The weird part is that even though it doesn't reflect the movement in t ...

Unable To Add More Than One Element To Default Values For Maps In Blueprint

When adding new elements to a Map in blueprints it will return the error "Cannot add a new key to the map while a key with the default value exists". This is because it currently won't increment the ...