Unreal Engine Issues

Spawn Burst Instantaneous Doesn't Work with Emitter.NormalizedLoopAge Spawn Time Set to 1

Unable to uncap framerate in Vulkan

On Linux machines users are unable to uncap their framerate in the editor. This issue has been observed in multiple maps, including TM-URO and TM-AnimPhys, as well as Third Person Blueprint projects ...

Using a custom playback range in the MRQ doesn't work if its the same as the original, but it has a camera cut track that differs in length

Missing shadows when combining CSMCaching and Nanite

A Nanite primitive casting a CSM shadow on another Nanite primitive with "Cast Shadows" disabled, will have it's shadow disappear completely when r.Shadow.CSMCaching = 1. ...

NetMulticast and BlueprintCallable C++ functions reportedly have incorrect parameters

Bug report from AnswerHub. Need to figure out why C++ functions tagged NetMulticast and BlueprintCallable send the wrong paramters to some clients. ...

Importing skeletal mesh with LODs and uniform scaling results in multiplicative scale per additional LOD

Here's a quick chart showing the current multiplicative pyramid style scaling that's occurring.Import ScalingLOD0LOD1LOD2LOD32.0248160.50.50.250.1250.06255.0525125625 ...

4.22.1 Crash in FVulkanResourceMultiBuffer::Lock

Vulkan Multibuffer Lock mechanism for ReadOnly does not appear to be implemented. Temporary workaround has been provided to licensee. ...

[Standalone Installer] The binaries for Mac are missing

Lumen tile classification flicker

While we suggest using screenpercentage at 25%, it is visible at higher percentages. Video showing the flickering:https://udn.unrealengine.com/s/contentdocument/0694z00000Qw4jPAAR ...

Actors in always loaded sublevels are not immediately recorded into replays

In FReplayHelper::ReplicateActor, we check Connection->ClientHasInitializedLevel(Actor->GetLevel()) to see if the actor should create a channel or not. However, the DemoNetConnection does not have a ...