The Pope's last public appearance took place on April 20 during the Easter service.

Pope Francis has died, Cardinal Kevin Ferrell, the Vatican camerlengo announced.

He was 88-years-old.

Pope Francis passed away on April 21, 2025, at 7:35 a.m. Rome time. The announcement was made by Cardinal Kevin Farrell, the Camerlengo of the Holy See, at 9:47 a.m. local time. This followed a period of hospitalization for the pope, who had been suffering from severe respiratory ailments, including double pneumonia. 

Full Text below this, but first adding: 

An Irish saint's eerie prophecy that Pope Francis will be the last Pontiff

Said that death of the 112th Pope will lead to Judgment Day in 2027, a 12th century prophecy of St. Malachy.

https://www.irishcentral.com/roots/history/st-malachy-prophecy-pope-francis

Here is the full text of Francis' final Easter address, as released Sunday by the Vatican:

https://abcnews.go.com/International/read-pope-francis-final-easter-address/story?id=121006377

Adding: 

Pope Francis passed away peacefully — doctors

The cause of death was a brain-related issue, likely a stroke or hemorrhage

This was unrelated to the breathing problems that hospitalized him last February