MIMIC-IV was published this week. The core dataset has been out for a while, but we've just published the deidentified free-text clinical notes: 300,000+ discharge summaries and 2.5 million radiology reports!
nature.com/articles/s4159…
The MIMIC-IV-ED corpus was just published, ~450,000 ED stays at the BIDMC and you can link them to the hospital/ICU data in MIMIC-IV: physionet.org/content/mimic-…