The last few months have seen the pace of change accelerate in the business loan market’s transition away from LIBOR. Several alternatives to the replacement benchmark rate recommended by the Alternative Reference Rates Committee (ARRC), the Secured Overnight Financing Rate (SOFR), gained momentum in the business loan market in the first part of 2021, and the ARRC and some regulators responded with efforts to highlight why SOFR should be the benchmark of choice. Set forth below are some of the milestones from an already eventful year, as well as some open questions to be worked through in the second half of 2021.