Check the LSE blog on by Roxana Barbulescu and Gabriella Alberti (2018) on the workings of the Settlement Status for EU nationals in the UK, reflecting on the  internal differentiations of migrant labour, the new  hierarchies of deservingness and the immobility effects of post-Brexit end of free movement

Production of immobility? What will settled status do well, what it will do badly and whom it will fail