Unreal Engine Issues

Use Borderless Window setting doesn't work on Mac

[Link Removed] The UseBorderlessWindow setting appears to not be implemented on Mac. We currently only apply the NWWindowStyleMaskBorderless style for tooltips and other "irregular" windows, so w ...

r.SetFramePace cannot be set in device profile

Suggest creating an r.InitialFramePace cvar that is applied immediately at startup. ...

Non-deterministic cook due to UModel::LightingGuid

The -DiffOnly cook mode shows that the LightingGuid seems to change every cook. In Lyra, there seems to be 48 such assets that change every cook due to this. ...

Reliable Multicast RPC may be called before BeginPlay for character on client

Related to [Link Removed], where calling a multicast RPC in BeginPlay results in the character being spawned on the client with the incorrect role/initial property data. One thing to note: this does ...

Material Instance used textures list shows sample textures used as Input Preview Textures within Material Functions

New Viewport Resolution setting increases every time a new PIE window is launched

When closing a PIE viewport, we write the size back to the New Viewport Resolution setting in case the window was resized during play. However, we do not account for the window border, and write bac ...

The value of LLM AudioSummary is not an Audio-related aggregate value.

"stat llm" does not show that the Audio summary value is the sum of Audio related tags. In the attached screenshot, when executing "stat llmfull", the AudioSummary value is less than the sum of "Aud ...

Absolute World Position not returning the correct values in post process material after Temporal Upscale

DrawDebugHelpers do not display with large distances from origin set (LWC related)

USplineComponent::CalcBounds is not defined in shipping builds

USplineComponent::CalcBounds is not defined in shipping builds (presumably the thought being that nothing can be rendered in shipping, and hence no scene capture required). But if CalcBounds is use ...