...or "published", if appearing on the Internet doesn't quite count. The puzzle will be up at midnight UK time in Big Dave's Rookie Corner (Puzzle #503).
https://bigdave44.com/category/crosswords/rookie-corner/
Contributors to the clue-writing contests on this site may recognize a few of the clues, but for the most part it's all new.
One of my testers compared it in difficulty to a midweek Guardian, and another referred to it as "a dog's breakfast", which I understand is a compliment in several of the more obscure Finno-Ugric dialects.
At any rate, if you finish with the Guardian Genius early, and want to have a go at it, please do. No need to comment on it here as that is what the comments section of the Rookie Corner is for.
Thank you for your time and attention.