Unreal Engine Issues

User project crashes after changing struct

Adding a Blueprint Interface (with function named "Test") to a Widget Blueprint with a variable named "Test" crashes the editor when compiling

Giving the Blueprint Interface Function and the Widget Blueprint Variable the same name, then adding the Blueprint Interface to the Widget Blueprint, causes the editor to immediately crash when comp ...

Skeletal Mesh scales incorrectly if RigidBody node is used in Animation Blueprint, then the character blueprint is scaled

Skeletal Mesh scales incorrectly if RigidBody node is used in Animation Blueprint and then the character blueprint is scaled. If the character blueprint is scale to extreme sizes (3.0) the effect i ...

Building Lighting fails when lightmass importance volume scale is large

There is an issue when attempting to build lighting with a large lightmass importance volume when you build the lighting the editor freezes. This issue appears to be a regression Versions tested: 4 ...

Generate Particle Event Blueprint node doesnt generate particles at relative "InLocation"

The EventReceiver Spawn module doesnt seem to take in parameters from linked Particle Generated Event. When setting the location of the Blueprint node (In Location), the relative position of the Par ...

Random Deviation of 0 causes service node instantiation fail

Licensee has 4 Services that aren't being initialized with their respective Tasks when they Plays in Editor. If the Behavior Tree is opened first, the warnings do not appear. All 4 of the Services h ...

Event Dispatcher implementation called several times (number of bound refs increases every compile)

The number of calls to the Event Dispatcher increase each time the blueprint actor containing the reference is compiled. This issue was not present in 4.18.3 (CL-3832480) but is in 4.19.2 (CL-403378 ...

Progress Percent is removed from UMG Progress Bar when Transform Shear value is changed

Modifying the Shear values on a Progress Bar in a Widget Blueprint cause it to lose its Fill Color and set Progress. This is a regression from 4.20.3 (CL-4369336). Reproes with -vulkan on both Linux ...

UCanvasPanelSlot::PostEditChangeChainProperty does not call Super function

UCanvasPanelSlot::PostEditChangeChainProperty not only does not call its Super function unless the anchor node has been set, but it calls Super:: PostEditChangeProperty instead PostEditChainProperty ...

Converting an Actor to spawnable/possessable in Sequencer makes it lose its position in the Track Panel.

Converting an Actor to spawnable/possessable in a Sequence causes it lose its position in the track panel. If the Actor was in a folder it will need to be added back to that folder. This was report ...