Unreal Engine Issues

Cooker: Research and recommend a solution for third-party systems to aggregate data from cooked UObjects

As with shader compilation, some third-party plugins need to accumulate information about all UObjects cooked in a cook session, and write their data to a database at the end of the cook; the databa ...

MoverExamples: characters have 1-frame unnecessary extra input latency

Due to the way input is handled on the MoverExamplesCharacter, including AnimatedMannyPawn, we have a delay in the time between when an input event occurs and when it is ingested by the movement sim ...

When an active Niagara Component is moved and reset+reactivated in the same frame, "Interpolated Spawning" causes "Spawn Burst Instantaneous" to spawn particles in the previous frame's outdated location

Consider a Niagara System with an Emitter in "Global Space" that has "Interpolated Spawning" active and a "Spawn Burst Instantaneous" module with a "Spawn Time" of 0.0 (for example, the built-in Con ...

Incorrect Level Instance Bounds with non-trivial transform

From licensee: The streaming bounds of an instantiated level instances are incorrect in the world partition editor. When the bounds are computed for a level instance during FLevelInstanceActorDe ...

"Override Function" search box in the Blueprint Editor does not match actual function name (only its display name)

This is a quality-of-life issue for UE users. The issue was also detailed by the UDN user in a video in the linked UDN case. The Blueprint Editor provides an "Override Function" functionality in th ...

Landscape holes are poorly represented in global distance field

FVulkanDynamicRHI::RHIReadSurfaceData​ incorrect for FLinearColor​.

The FLinearColor implementation for FVulkanDynamicRHI is incorrect. FLinearColor stores 32 bit floats in linear space, while FColor stores 8 bit integers encoded with sRGB applied. The implementatio ...

Rewind Debugger doesn't work as expected when PIE net mode is set to Listen Server

Skeletal Mesh reduction clamps UVs at 1024

UAssetManager::ChangeBundleStateForPrimaryAssets: Performance: Avoid canceling loads in progress when new bundles added and the in progress bundles are kept

UAssetManager::ChangeBundleStateForPrimaryAssets allows adding new BundleNames to the list of BundleNames loaded for a PrimaryAssetId. Each BundleName specifies a BundleEntry with a list of assets. ...