Unreal Engine Issues

Intermittent Crash in Pose Search during Cook

User reports that they've been running into an intermittent crash in Pose Search during Cook. Pose Search attempts to index data outside the bounds of an array. Based on the logs, each asset seems t ...

Crash when two textures reference eachother as composite textures

When (unintentionally) trying to set one texture as the composite texture of another, which itself is the composite texture of the first, a stack overflow occurs leading to a crash: in UTexture::Pos ...

FBoneContainer::MakeMeshPoseIndex crash (out-of-bounds array)

Mover flying mode rotation changes may be incorrect with roll involved

A licensee has reported that Mover's method of adding rotators together may produce different results than quaternion multiplication - for example in Flying mode when roll is involved. We will inve ...

Iris - check hit in FNetBitStreamWriter::InitBytes if object has only COND_InitialOnly replicated properties

InitOnly FReplicationStateDescriptors will have a value of 0 for ChangeMaskBitCount, so if an object only has COND_InitialOnly properties, its FReplicationProtocol will also have a ChangeMaskBitCoun ...

Iris - Function descriptors will prevent protocols from being marked as fully push based

RigidBody parameters not working (external force and others)

We are running into issues where the parameters of the RigidBody node in an ABP are not being applied at all when running the ABP in PIE even when the parameters are working correctly in the ABP pre ...

[StateTree] Reentering current state immediately after exiting does not reset variables on tasks with "Should State Change on Reselect"

Context State Tree Tasks have a configurable default value 'Should State Change on Reselect' which controls whether the task receives a EnterState/ExitState if completion of the current state is fo ...

[StateTree] Linked Asset trees do not properly transition when On Tick transition is triggered on linked asset that transitions to Tree Succeeded

Linked Asset trees do not transition correctly to Tree Succeeded if using an On Tick transition. The Debugger shows that the transition is triggered repeatedly but no state change occurs. Instead, t ...

Copying and pasting event tracks will break endpoint bindings

See linked UDN for more info. There appears to be an issue with mismatching parents when copying causing this to fail. ...