Unreal Engine Issues

Edits made to Control Rig Curve Nodes in the Details panel of the blueprint editor are not saved back to original Node

Reported by licensee in [Link Removed] Changes made to the Curve node in a Control Rig Blueprint aren't saved back to the original node when the changes are made in the Details panel of the bluepri ...

Cvars sections in Sequencer behaving incorrectly when using MRQ

Some key lines in the code:Engine\Source\Runtime\MovieSceneTracks\Private\TrackInstances\MovieSceneCVarTrackInstance.cpp:177 --> Apply   CVar when entering sectionEngine\Source\Runtime\MovieSceneTra ...

Chorded Trigger evaluation can be evaluated to unexpected results in some specific cases

Cannot change collision presets in BP instances.

Even with the “Editable when Inherited” flag set in the blueprint class static mesh component, the BP instance collision preset cannot be set to one different from the BP class collision preset. The ...

GAS: AbilitySystem.DebugAttribute crashes client when server added runtime constructed GEs

In a networked PIE session, when the server has applied a programmatically constructed GameplayEffect that has duration policy = Infinite or HasDuration, this results in a client crash when the clie ...

The pak file specified in PakFileRules is not created correctly

The rules by which chunks are created are ambiguous and currently do not ensure that both PakFileRules and PrimaryAssetLabel settings are reflected. In this sample, depending on the PrimaryAssetLabe ...

Crash on map change with non-null values for GPropertyColorationClass and request customizable property coloration color

This was found by a customer through a UDN, and they offered the fix for it, as well. The basic steps to reproduce the crash are as follows:call GEditor->SetPropertyColorationTarget(...) somewhere i ...

Mesh deformed by Cable Component does not output velocity

The velocity when moving the root is output, but it seems that the velocity for each deformation is not output. Since motion blur and TSR use velocity, problems such as ghosting may occur. ...

FAnimUpdateRateParameters::GetInterpolationAlpha appears to be returning an invalid value for TrailMode

It appears that  FAnimUpdateRateParameters::GetInterpolationAlpha is not returning a sensible value when running in TrailMode.  Currently the only variable in the calculation is EvaluationRate which ...

Gameplay Effects with instant duration fail to be predicted if a duration magnitude was previously set

The Duration Magnitude property is not zeroed out if a Gameplay Effect's duration policy is changed from HasDuration to Instant. As a result, UAbilitySystemComponent::ApplyGameplayEffectSpecToSelf e ...