What was the last Pink Floyd album made and what it was about and why it was the last?

also, when was it released and how long popular and why? why didnt
make another one and why maybe it was time to call it quits? did they
let the public know it was the last too or what happened?

please xplain why not more popular..."The Division Bell" album..as i
thought it was maybe their best/

thansk for your answers!