Unreal Engine Issues

If enable iostore and run BulkData.lock twice on the same frame, the second time get pointer will be nullptr

Add and Renaming collapsed graphs in functions breaks refs to local vars

When creating a class (of any kind i.e. an actor), when a collapsed graph is compiled the ref breaks when adding or renaming the graph. ...

Character Blueprint Cannot Execute Montage to Play at a Negative Play Rate

While an Animation Montage can be played at a negative play rate in Persona, the user cannot use the Character Blueprint to execute this action. ...

Precomputed Visibility no longer calculated on Landscapes

Placing a Precomputed Visibility Volume around or through a landscape does not seem to calculate precomputed visibility for that landscape. This is a regression from behavior in 4.7.6. Also Tested ...

HISMC always shows lowest LOD

User report: HISMCs are currently broken in master. They always show the lowest LOD available for a mesh, so if you have a HISMC with a tree mesh set, you would always see the billboard of the tree ...

Copy and paste State in the state machine do not correctly refresh synced objects when it have transition rule(fraction)

Copy and Paste action in State machine do not generate correct info for "AnimGraphNode_SequencePlayer_20" Name for "AnimGraphNode_SequencePlayer_#" in the duplicated state is not changed to corresp ...

Actor being moved via sequencer has inherited velocity that ignores play rate scale

When an actor that can be stood on and jumped off of is moved in a sequencer it's inherited velocity doesn't scale with the Sequence play rate. If you jump in the opposite direction the cube is goin ...

GPU System will kill existing particles if activate is called after it has be deactivated

Deactivating and then reactivating the same GPU system will cause existing particles to die. ...

Runtime Virtual Texture primitives set to never render to main pass still cause occlusion queries

RVT only primitives are being pushed through the occlusion culling. It would be more efficient to not do that. ...

Pasting a component binding onto a Spawnable will not set up parenting correctly

It appears that for spawnable bindings, when adding a child binding through a copy/paste it is not added to the child bindings array on the spawnable, so when GetChildPossessables is called, there a ...