I never comment but I wanted to say thank you for posting even after this thread became old. I spent a good few days trying to figure out why my navigation was broken when I built to android and in the process I unchecked main data (which is also a hidden checkbox under a dropdown arrow) so it didn’t work period until turning back on and still having issues on build but now it’s fixed on both ends.
I have had serious frustrations with bugs that shouldn’t be bugs and not seeing help from devs just disappointed me. Probably because they’ve preoccupied themselves on making UE5 WHILE making UE4.27. Hate split development approaches instead of focusing on the one engine version. I had another bug where the engine didn’t save my game instance change, I had to edit the ini again. It really is ridiculous sometimes.
Now navigation just breaks when using Open Level Node.
(This was fixed by setting the recastnavmesh in the LEVEL to “Runtime Generation: Dynamic” while being able to leave the runtime generation in Project Settings to Static)