President Biden in his first actions in office has issued and signed a series of Executive orders to begin his policy agenda and to reverse many Trump era Executive orders and policies.
Some of the most pertinent orders in the context of Immigration law is President Biden halting the construction and funding of the Trump US-Mexico Border wall and the reversal of the trump era travel ban targeting largely Muslim countries.
A full list and summary of these executive orders can be examined by using the Link Below.
https://www.cnn.com/2021/01/20/politics/executive-actions-biden/index.html