The agreement between PSOE and Junts allows the Generalitat of Catalonia to manage immigration, an issue that generates tension between territories.
The delegation does not include border control, only document control.
The agreement occurs in an unstable political context.
The delegation is made through Article 150.2 of the Constitution and may be reversible.
The measure could represent an advancement if used efficiently, but would be detrimental if applied in an unsolidary way.
Conclusion: The agreement poses technical and political challenges, and requires careful negotiation to ensure immigrants' rights, avoiding restrictive policies.