Unreal Engine Issues

Custom data update crash - invalid memory when removing an instance from a UHierarchicalInstancedStaticMeshComponent

This is a race condition, did not crash with -onethread. Attached the collected threaded callstacks, although they look misaligned. Licensee has provided a suggested fix. ...

Type promotion should handle UObject subclass custom operator functions

We should modify FindBestMatchingFunc_Internal for the case of UObject pins to search for a best matching subclass instead of just use the base UObject comparison.  We could also exclude any func ...

Sequencer will not play Blendshape (Morph Target) Animations while in Realtime

An Animation Track that references a Blend Shape, Morph Target, Animation will not play when you play from Level Sequencer in Editor unless you turn off real time. Also it seems if Realtime is turn ...

Typo in Checkbox description

Under Project settings > Packaging>"For Distribution" when the user scrolls over this area, the pop up description reads "...If disabled, an development build will be created." ...

Creating Destructible with PhysXLabs and Fracture Tool in UE4 yield different results and same settings

When creating fracturing a mesh in PhysXLabs vs UE4 fracture tool with both using Voronoi fracture and set to 25 chunks will give different results. The mesh (Attached below along with reference i ...

Problem in deleting multiple node objects in Animation Sequence

From what I could see this is different than JIRA issue [Link Removed]. All the selected nodes information seem correct until the NodeObject->Delete(Sequence) in SAnimNotifyPanel::DeleteSelectedNod ...

Can't record float properties

Destroying a beacon from a RPC no longer destroys the beacon actor

This seems to be because of recent changes made for [Link Removed]. Now that UNetDriver::bInTick is being properly tracked for derived classes, AOnlineBeacon::CleanupNetDriver is now deferring destr ...

Editor Crashes on Nvidia GT 630M

Editor Crashes on startup when using an NVidia GT 630M graphics card ...

Lit Translucency Receiving Shadows with Forward Shading Enabled

When forward shading is enabled, particles that have materials with their lighting mode set to "VolumetricNonDirectional" will recieve shadows. Attached images provided by user. Found in 4.19 CL# ...