What does it mean? They will retire the api but will make another one? Are they planning to point PWS to other competitors? In what other ways was the wundergro

What does it mean? They will retire the api but will make another one? Are they planning to point PWS to other competitors? In what other ways was the wunderground api providing services? Side note- their site has been suffering performance issues for a long time. Update: they edited their post.