Tips for Becoming a Core Contributor
At PyCon US 2016, Philip James became a Core Contributor to BeeWare!
He wrote up some of his thoughts about the process in his article Tips for Becoming a Core Contributor.
Katie McLaughlin, who got her commit bit at DjangoCon Europe 2016, followed up with a post of her own, describing her path to becoming a core contributor.
For those who aspire to become contributors to open source projects, it's helpful to hear how others got there.