Unreal Engine Issues

Actors are not properly restored when undoing a Replace Selected Actors transaction

When undoing a Replace Selected Actors operation, the resulting actor is corrupt and triggers an ensure where the root component is in the process of being destroyed. This is a regression that poppe ...

Assertion failed: Engine crushes when a geometry collection hits a landscape

This is because THeightField::PhiWithNormal has not been implemented yet. ...

Investigate possible stall on iOS when handling push notifications.

Launching a specific UDN Project with Vulkan Support enabled crashes launching on Quest

When attempting to run the attached Project submitted from UDN, it will crash on launch. If Vulkan support is disabled, the Project will run as expected on Quest. This issue DOES NOT appear to repro ...

Restored child editor windows have no title

Child windows created as part of the editor startup process won't have a title. This happens because the native window hasn't yet been created when we set the title in FTabManager::RestoreArea_Helpe ...

Default property track settings for Spot Light OuterConeAngle don't work

The outer cone angle will not have a default track created for it when it's added as a default property in the project settings. This seems to stem from the property having a setter function, and be ...

RetargetSource in AnimSeqeuence doesn't affect DDC key

Retarget source doesn't affect DDC key, so it causes incorrect result. Changing the anim sequence DDC key generation to include it fixes this issue. ...

Crash copying Geometry Cache Track in Sequencer

Geometry cache section  will crash in PostLoad when track is copied. See UDN for alternative repro steps and more info on attached repro project. ...

User defined struct variables with spaces do not import properly in cooked builds

DataTables exported to JSON in editor (UDataTable::WriteTableAsJSON, accessible by right clicking a data table and picking export to json) that contain variables with spaces or other outlawed charac ...

Uniform Static Mesh Sampling doesn't work on GPU Niagara Emitters

Uniform sampling of static meshes for GPU emitters does not work. ...