Macroeconomic modeling during the COVID-19 pandemic, and the switch to a new monetary policy framework, has required rapid adjustments to the DSGE.jl package, made possible by Julia’s flexible typing and efficient matrix computations. We review the new features in DSGE.jl that allow users to model periods of large economic shifts and uncertainty. As an illustration, we also explain how the Federal Reserve Bank of New York solved and estimated a model with these features during the recession.