Enjoyed this, some great clues!
I’ve also just seen that there was a jumbo 21x21 Picaroon puzzle in the paper supplement last weekend. It wasn’t available online or in the app at the time but, if like me you missed it, Picaroon has since provided an interactive version (I’ll post the link below)…
http://crossword.info/MitzCrosswords/Guardian_Summer_Holiday_Jumbo