Unreal Engine Issues

Actors with bGenerateOverlapEventsDuringLevelStreaming don't get EndOverlap event during BeginPlay

Runtime-generated components stored in the VisibleAnywhere array are not displayed in the detail panel

Runtime-generated components stored in ObjectPtr with VisibleAnywhere are displayed in the details panel, but not for arrays. Applying the following workaround, components can be visible even in ar ...

Child Actor Components are visible in editor but disappears while playing or simulating.

Child Actor Components are visible in editor but disappear while playing or simulating. On BP_Cube_Row, setting 'Hidden in Game' to true then false during play will make the object appear. Repro Ra ...

Component Created in C++ is destroyed before BeginPlay

Tracking a potential issue where components in C++ are being "lost" prior to BeginPlay. Renaming the reference variable seems to work around the issue, but the cause is currently unknown/needs more ...

Editor crash on Instanced Subobjects of an outer class in Class Picker

Changing the name of a native component results in a blank details panel

Much like [Link Removed] (which I'm backing down on my by design claim), there is an issue where if you previously referenced a component that no longer exists, the correct instanced subobject is lo ...

Non instanced subobject gets set to none after compiling editor

Non Instanced Subobject sets to none after compiling the blueprint. Please see attached video for more details. Checking regression in 4.26 now ...

Intermittent fatal assert in GetArchetypeFromRequiredInfoImpl for an object with RF_NeedLoad

The archetype instance for the ProceduralMeshComponent's physics data object is not flagged as such, so the event-driven loader does not designate it as a preload dependency, which may be putting us ...

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 ...

Packaged Paper2D game using Flipbooks crashes when opening Level

Paper2D game using Blueprint Actor with Box Collision and Flipbook Component crashes frequently when loading levels in packaged Development Build. Reported and tested in versions 4.25.3(CL 139427 ...