Unreal Engine Issues

ICVFX Editor: Last Entry Index of "Pre-Viewport Color Grading" shows "Entire Cluster" group data.

The ICVFX view is displaying parameters for the entire cluster when the group in the right-most index is selected. Its expected that the right-most index group should behave like every other group, ...

GAS: RemoveActiveGameplayEffect crashes when called during world teardown for periodic GEs

AbilitySystemComponent crashes when RemoveActiveGameplayEffect is called during world teardown for an active gameplay effect that ticks periodically, by unsafe GetWorld()->GetTimerManager() access w ...

CopyTask in BuildGraph never throws an exception if the copy fails

CopyFile function in CommandUtils.cs assumes that an exception will be thrown if the number of retries is exceeded, but the loop condition prevents it from being thrown. Following fix works:publics ...

Light leaks when cast shadow disabled light is applied to the Hair material.

There seems to be a leak in the ContactShadow determination in DeferredLightingCommon.ush ShadowRayCast(), but I could not determine if this is the specification. This problem always occurs from 4. ...

Editor crashed when selected the property menu of the copy of a track with animation blend.

Investigate adding support for more flexible condition properties in the Material Editor.

The user has added a property to material expressions input node that has a complex expression in its "EditCondition" which isn't supported and results in a crash. Investigate adding support to thi ...

Fixing a Blueprint's compilation error after editor reload causes instances to lose transform

Saving and reloading a Blueprint instance with a compilation error, a.k.a., "Bad Blueprint" will lead to a transform reset when the Blueprint is successfully recompiled. ...

Reset of bone proxy in anim editors detail panels doesn't re-enable live update of tranforms

The bone proxy details customization for the animation editors doesn't currently reset modifications correctly.  When a transform channel is modified and then reset, the bone proxy doesn't start liv ...

OSS Null won't find multiple LAN sessions hosted by a single instance

This happens because of how FLANSession::Tick will handle receiving multiple response packets from a single host. FLANSession will cache the ResponseGuids of any incoming host response packets, so i ...

Overriding Component class does not work properly in grandchild class BP

If you set ComponentClass override in child class BP and grandchild class BP respectively, it is ignored in grandchild class. This issue is probably related to [Link Removed]. The fix for [Link Rem ...