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. [...] This report discusses these and other immigration-related issues that have seen legislativeaction in the 116th Congress."
CRS Report for Congress, R46419
Congressional Research Service: https://crsreports.congress.gov/