One of ProPublica's greatest recent victories (in my opinion) was the FOIA lawsuit to secure public release of PPP loan information, along with other COVID relief loans like EIDL. Aside from the sheer scale ($1 trillion) and the rampant fraud [1], there were politicians from both sides of the aisle who took these forgivable business loans while delaying other forms of government relief.

1. https://papers.ssrn.com/sol3/papers.cfm?abstract_id=3906395