Unreal Engine Issues

Anim Notify blueprints are included in packages when not referenced

Anim Notify Blueprints are included in Packaged builds of the editor even if they are not referenced. This does not occur with other Blueprint classes, such as Actor, although it may with some other ...

UHT doesn't support trailing const in some declarations

UnrealHeaderTool cannot parse certain declarations with a trailing `const` instead of a leading `const`. ...

Add project setting to skip rendering velocities

Hot Reload triggers Ensure after default value of a property in a component included in an Actor class is changed

Performing a Hot Reload after changing the default value of a property in an ActorComponent that is included in an Actor class triggers an ensure if a Blueprint has been created from that Actor clas ...

Build Android x86 get error "undefined reference to '__atomic_load_8'"

Debug Helpers no longer drawn indefinitely if life time is set to 0 or less

Setting the lifetime for one of the visual debug helpers (a sphere was used in the repro, but the results should be similar for any of the debug helpers) to a value of 0 or less should make the debu ...

VR Motion Controllers: Haptic Feedback Effect SoundWaves

Attempting to play Haptic Effect SoundWaves on both Motion Controllers will cancel or interfere with each other. Tested with Oculus Also confirmed in Main 4348893 ...

Large UMG Blueprint widget trees can lead to very long compile times when packaging with Blueprint nativization enabled.

Licensee reports very long C++ compile times during packaging after nativizing a UMG Blueprint asset containing a very large and heavily-nested widget animation hierarchy. The support thread outlin ...

Support for 16-bit precision for positions in vertex buffer

Add support for 16-bit per component format for POSITION in vertex buffers as an option. Half-precision is already supported for UVs and TANGENTS on a per model basis, and was hoping that this woul ...

Spawned actors with meshes become invisible in editor after changing level

When moving actors spawned from within the editor to a new sublevel, their meshes stop rendering. However, if you open a new level then re-open the old level the meshes become visible again. You wil ...