Anim sequence in DLC leads to crash in IOS.

Platform - Mobile - May 19, 2020

DLC download is working as expected but opening a map with anim sequence which is located at DLC's pak file will lead to crash in iOS. ...

Steam fails to initialize when using the steamclient file from SteamCMD

Online - OSS - Steam - May 18, 2020

Steam fails to initialize when using the steamclient file SteamCMDLogLoad: Game class is 'ShooterGame_FreeForAll' LogOnline: OSS: Creating online subsystem instance for: Steam LogOnline: Verbose: ...

Blueprint properties of replicated subobjects don't replicate by default

Networking - May 18, 2020

The base implementation of UObject::GetLifetimeReplicatedProperties doesn't check to see if its class is a blueprint-generated class and add its properties, like UActorComponent::GetLifetimeReplicat ...

Children of blueprints resaved by reference fixups can have invalid asset registry tags

Gameplay - Blueprint - May 18, 2020

If a parent blueprint has data that is used by asset registry tags such as the AssetBundleData, any child blueprints that derive from it will use that in their exported tags. If the parent blueprint ...

Damping properties lost during change to the collision configuration.

Physics - May 18, 2020

See UDN (https://udn.unrealengine.com/questions/573845/setcollisionenabled-on-skeletal-mesh-ragdoll-requi.html) ...

Child Actor Components jitter around in blueprint viewport when dragged

Gameplay - Components - May 18, 2020

REGRESSION: Does not occur in 4.24 Dragging a child actor component in the blueprint viewport results in it bouncing and jittering. ...

Spline Mesh Collision doesn't work in packaged game when spawning them at runtime

Physics - May 18, 2020

Spline Mesh Components lose their collision in a packaged game when spawning them at runtime, or modifying them via 'Set Start and End' function at runtime. ...

4.25 ECC_GameTraceChannels default parameter value results in compile error

Core - UnrealHeaderTool - May 18, 2020

Hidden enum entries cannot be used as default values for UFUNCTION parameters. When using any collisionchannel, the error "Hidden enum entries cannot be used as default values" is received. ...

Inconsistent memory usage bump when using SceneCaptureComponent2D on iPadAir2

Platform - Mobile - May 18, 2020

I do not have access to an iPad Air 2 so it is impossible for me to reproduce, but it seems that when using SeneCaptureComponent2D on the device, memory usage will increase drastically. ...

On PC and Mobile Preview, Volumetric Lightmap provide very different Indirect lighting direction

Rendering - Ray Tracing - May 18, 2020

Expectation: It's known it has different lighting interpolations method and quality for VLM on PCvsMobile; but Indirect lighting from VLM should provide similar lighting Direction on PC&Mobile. ...