From the Summary: "The House and the Senate have considered measures on a variety of immigration issues in the 116th Congress. These issues include border security, immigration enforcement, legalization of unauthorized immigrants, temporary and permanent immigration, and humanitarian admissions. Several immigration measures were enacted into law. Among them are the Northern Mariana Islands Long-Term Legal Residents Relief Act (P.L. 116-24) and the Citizenship for Children of Military Members and Civil Servants Act (P.L. 116-133). The 116th Congress also enacted immigration provisions as part of larger defense and appropriations bills. [...] This report discusses these and other immigration-related issues that have seen legislative action in the 116th Congress."
CRS Report for Congress, R46419
Congressional Research Service: https://crsreports.congress.gov/