Unreal Engine Issues

Crash on packaged dedicated server when a uproperty is marked as both replicated and editor-only

In some situations, it can be useful to have a replicated editor-only C++ property (For example, the user that reported this issue was attempting to replicate settings to the client for game designe ...

[CrashReport] Crash on Linux - llvm::MachineFunctionPass::runOnFunction()

This is a top community crash occurring on Linux. A log file is attached. Additional information is currently unavailable. ...

Changing the state of a PrimitiveComponent->BodyInstance while SetSimulatePhysics(false) updates the game thread but does not update the physics behavior

Changing the state of a PrimitiveComponent->BodyInstance while SetSimulatePhysics(false) updates the game thread but does not update the physics behavior. In the repro project provided (see addl in ...

Deferring Blueprint CDO construction at load time is leading to some data loss.

Various licensees are reporting data loss on load due to the change that was made for [Link Removed] in which we now defer Blueprint CDO construction on load until the finalization phase. This issu ...

Backwards-compatibility broken for the CDOs of Python-generated Unreal Types because of missing redirectors

Previously, all Unreal Types generated by python scripts would be created inside package "/Engine/PythonTypes". This was changed by [CL 32478991 in ue5-main branch], which meant to "remove the restr ...

Clicking "X" close button when prompted to convert a project will still convert the project

The prompt window that appears when a project is converted from one engine version to another will "approve" the conversion even if the red "X" is pressed to close the prompt window. ...

Crash calling user-function in non-editor

Crash occurs when attempting to call native Pre-Construct in the attached project. ...

Windows Game Input - DualSense/DualShock controllers DPad button repeat events behave unexpectedly

Sequencer: Changing a data layer track to KeepState hits ensure(Aggregate) in animated state storage

Ensure condition fires as described in reproduction steps when using a Data Layer track in Sequencer with 'Keep State'. ...

Importing .glb file results in crash

When importing a .glb file from Blender, the editor crashes. The user has been able to import other .glb files, but ran into an issue with the one provided being unable to be imported.  ...