Unreal Engine Issues

bIgnoreAllPressedKeysUntilRelease comment is confusing

GAS: Crash on unloading sublevel with Duration GEs and garbage collection before the duration expires

When a sublevel gets unloaded that has an actor with an AbilitySystemComponent with an active GameplayEffect with Duration, a crash occurs when the duration expires. This is due to an ASC timer dele ...

Unable to set a BP component field with WithIdenticalViaEquality

There's some quirky behavior occurring with the component's CDO when we change a value that isn't compared by the native code's equality operator. It only seems to commit when we first change anothe ...

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.  ...

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.  ...