Unreal Engine Issues

Pointer being freed was not allocated on IOS with MallocBinned2

Slack thread [Link Removed] Probably related to the same issue seen on Android, explained here: [Link Removed] ...

Editing a spline component in 5.4 no longer fires construction events.

Licensee found that in 5.4 the spline component when edited in editor, no longer triggered the construction script potentially breaking their art pipeline. The licensee mentioned the cause is likel ...

Enhanced Input Pressed Trigger firing twice

GetTriggerEvent() in a function bound to an enhanced input action in C++, returns "Triggered" when bound to the "Started" trigger event. ...

Crazy camera when zooming in/out the Sequencer

If you add Static Mesh (cube) in this Level Sequence and click on it in Sequencer, you can observe the Spline Path that the cube is following is changing its shape when keys in Sequencer are zoomed ...

Enhanced input actions with Down triggers mapped to gamepad buttons can get into a bad state after viewport focus is lost

When we have an enhanced input input action that uses a Down trigger and is mapped to a gamepad button, for example Gamepad Face Button Left, it can get into a bad state when the game is unfocused. ...

Crash during shader compilation when r.Shaders.Optimize=0

The primary shader crashing is "FVisualizeLumenSceneCS" which I've put in the callstack section, but I think this is more likely a binding problem as I'm also see the following crash with cloud shad ...

When duplicating multiple actors with alt+drag, Translation/Rotation widget goes to incorrect coordinate space

Note: This bug has been observed in all tested engine versions, from UE 4.24 to UE 5.3 and in ue-main. When shift+selecting multiple actors in the Level Editor, the currently-active transformation ...

Lumen with HWRT has an artifact on AMD GPU

Repro test required.We don't have AMD GPU to create the same environment here, so we collected reproduction information from the licensee and passed it on as is.Let me know if you need any additiona ...

Crash in WorldPartition when creating cyclic references in LevelInstances

Gameplay Ability Component Montage Replication incorrectly handles cyclic animation sections

In AbilitySystemComponent_Abilities.cpp, the check for the client being on a different section on line 3059 checks that the RepNextSectionID is not the current section. One would assume this is beca ...