Unreal Engine Issues

Sequencer: muting transform's location/rotation/scale not working

[AI] Fill Collision Underneath for Navmesh does not work for ISM instances

Although the ISM component allows for enabling the flag for Fill Collision Underneath for Navmesh, it does not add the modifier for this to the navigation data for its instances.  ...

LLM PlatformProcessMemory calculation ignores VRAM, and its calculation of how much memory is used by the process is too low

FLowLevelMemTracker::TickInternal() the ELLMTag::Total (and therefore ELLMTag::Untracked) memory amounts are calculated based only on the result of FPlatformMemory::GetStats(), which on the Windows ...

Selecting and dragging multiple tracks on Sequence window combines the tracks to one row

With plural shot tracks in different rows in the sequencer window, selecting these tracks and dragging one of them (but not the bottom one) left or right will merge the rows. Please check the attach ...

[AI] Stack overflow in canRemoveVertex of DetourTileCacheBuilder

User reports of stack overflow happening in canRemoveVertex in DetourTileCacheBuilder.cpp if a poly has more than 16 vertices. The array for edges is a fixed array and is written to without checking ...

AmbientOcclusion doesn't work properly on orthogonal projection camera

[AI] SmartObject with Precondition in a persistent collection crashes editor when exiting PIE

Adding the Precondition to the SmartObject caused an assertion when it was part of a persistent collection. The precondition needs to be able to pass its Activate method to cause the assert. This b ...

Multi-process cooking does not complete in UE5.3.0

Projects with multi-process cooking enabled will not complete packaging. If MPCook is disabled, packaging can be completed.  ...

[Interchange - glTF] Incorrect results when importing a GLB with skeletal animation

Properties not serialized when moving actor/component depending on unrelated specifiers

When an actor is moved on the level editor viewport, it is reconstructed along with its components, which at first makes their properties reset to their default state. Thankfully, this does not happ ...