- Optional tip to Zeffy: Tap to Pay sales now include a small optional tip (5%) that the buyer can keep or remove before paying. -Tip explanation: new slides explain how Zeffy stays free, shown once during setup and once to existing users. - Clearer payment errors: if a payment fails, the app says whether the card was charged and what to do next. -Tap to Pay configuration page: shows each requirement (location, NFC, device) and links to the relevant setting. - Devices that can’t use Tap to Pay: these devices can still log cash payments and share an online payment QR code. - Sweepstakes: sweepstakes campaigns are now supported. - Fixes: bug fixes and layout improvements.