Unreal Engine Issues

Datasmith floods network with UDP traffic in a lab environment

They've had some luck disabling UDP transport as mentioned in the following articles:https://docs.unrealengine.com/5.2/en-US/udp-messaging-settings-in-the-unreal-engine-project-settings/https://foru ...

BP timelines: when converting internal curve to external, the external curve isn't used until BP is recompiled

Blueprint timelines: when converting an internal curve to an external curve asset, the curve asset's data isn't used until the blueprint is recompiled. This is confusing as there is no indication th ...

DBuffer uses linear RGBA8 for base color instead of SRGB

DBuffer has 8 bit render targets for decals. The first render target holds BaseColor. It is not SRGB so we probably have poor precision distribution over the color range. It should be possible simpl ...

Components excluded from dedicated server can still be spawned on server

The cooker settings include the ClassesExcludedOnDedicatedServer/ClassesExcludedOnDedicatedClient lists, which specify classes that should be excluded when cooking a dedicated server/client. These l ...

The return value of int64 FMath::RandRange() is biased

Looping Gameplay Cues are not removed if GameplayCueNotifyTagCheckOnRemove is true

GameplayCues inheriting from GameplayCueNotify_Actor no longer have their Removed functions called when removed via UAbilitySystemComponent::RemoveGameplayCue if GameplayCueNotifyTagCheckOnRemove is ...

Perforce: Deleting and Restoring an Asset doesn't Update Perforce

When you delete and replace an asset with the same name, P4 will pick up the delete but not the add. It was mentioned that there is a P4 command (something like "reopen as add") that should be used ...

Unable to set simulate physics to false through blueprints

If "Editable when Inherited" is disabled for the static mesh component the issue does not occur. The bug could be related with other UDN cases:https://udn.unrealengine.com/s/case/5004z00001ruXmEAAU ...

GAS: FGameplayEffectCustomExecutionParameters constructor generates a new FActiveGameplayEffectHandle that is not removed from a global static map until map change

Created based on user report. The constructor of FGameplayEffectCustomExecutionParameters generates a FActiveGameplayEffectHandle that gets put in GlobalActiveGameplayEffectHandles::Map and stays t ...

Combining Layered Blend Per Bone with Cached Pose nodes can break root motion extraction

When the input to a Layered Blend Per Bone node is two instances of the same cached pose, we aren't sampling root motion correctly.  In the attached example, the weight on the root bone is 0 and Ble ...