On the web client (with Firefox), I get an error that the html page for set-snooze can't be found.
On the Mac desktop client (v. 2.15.1-865) the power-up simply doesn't appear at all.
See error from the logs below the screenshots.
2024-09-25 20:11:17 error: [main-win] Error, timeout while initializing index iframe for https://card-snooze.trello.services/index.html?ver=15b9680d9c41. Timeout=30000ms