The code has an internal analogue, and the tooling lets you choose whether to export the entire git history or squash it. They may have chosen the former, in wh

The code has an internal analogue, and the tooling lets you choose whether to export the entire git history or squash it. They may have chosen the former, in which case it could just be 2 years to migrate and rework the code to be ready for open sourcing. In that time I imagine there were four reorgs and countless priority shifts :)