Here's the Tweet kicking off the Twitter thread where this was announced:
Recuring bitcoin lightning network payments with Coincorner #66537
https://nitter.it/CoinCornerDanny/status/1566743594010136576

Here's a description of how it works, from the Britcoiners by CoinCorner podcast.
Recurring Lightning Payments Are Here | Britcoiners by CoinCorner #55