Unreal Engine Issues

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

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

Construction script is running more than once when hitting the compile button

When the compile button is pressed the construction script will run 3 times. ...

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. ...

Shooter Team Start's "Spawn Team" and "Not For Bots/Players" Options Not Working

When using a Shooter Team Start to set up team spawns in Shooter Game, enabling the Not for Bots, Not for Players, or the Spawn Team options don't seem to have an effect, as both the players and bot ...

2 GB/hr Memory Leak on levels that are not enclosed

2 GB/hr Memory Leak on maps with no Sky Sphere or Atmospheric Fog to occlude empty space. The leak also occurs during general usage, but was tested with a blank project and an absolutely blank leve ...

Niagara System User Parameters Resetting After Closing the Editor

Niagara System user paramemters will reset upon restarting if they are used in a Blueprint. This also occurs to the system if you move the blueprint after making changes then pressing Ctrl+Z.  Foun ...

World Position Offset Object Shadow Cast on Translucent Object Causes Flickering

When a WPO (World Position Offset) object casts a shadow on a translucent object, the translucent object flickers continuously as the shadow passes over it. Initially logged as a 5.5/5.5.1 but also ...

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 ...

Spline Array created in code cannot be edited in a blueprint

If a TArray of spline components is created in code it is not possible to edit/add nodes to the spline inside a blueprint. ...