BTCPay Server v2.1.0: New MultiSig, Integrations, Fee Acceleration & More

• This update includes a redesigned interface for MultiSig wallets, removes ZCash and Monero from the core codebase by turning them into plugins, and enhances fee-acceleration capabilities.
• It also introduces three new e-commerce integrations: Shopify V2, Ghost, and ECWID.

"We hope you enjoy everything this update brings," said the developers.

What's new

• Refined multisig support. BTCPay Server v2.1.0 features a complete redesign of the multisig experience, introducing powerful new capabilities aimed at enhancing security, collaboration, and flexibility. Users can easily manage collaborative custody with multiple signatures, coordinate signatures through email, sign with any hardware wallet, and receive email notifications for status updates.

• New fee acceleration UI (RBF & CPFP). Users can now effortlessly speed up transactions stuck in the mempool by using Replace-By-Fee (RBF) for outgoing payments or batch-accelerate incoming transactions with Child-Pays-for-Parent (CPFP).

• ZEC and XMR moved to plugins. Support for ZCash and Monero has transitioned from the core BTCPay codebase to community-maintained plugins. Merchants using XMR or ZEC will be prompted to install these plugins to ensure a smooth migration and maintain backward compatibility.

"Support for ZCash and Monero has transitioned from the core BTCPay codebase to community-maintained plugins. Merchants using XMR or ZEC will be prompted to install these plugins to ensure a smooth migration and maintain backward compatibility."

• New e-commerce integrations:
  • Shopify V2. The new version ensures compatibility with Shopify's upcoming API changes that will affect all users by August 2025. Notably, the V1 integration stopped functioning for new merchants on December 31, 2024. Existing users should migrate to V2 before the August deadline to maintain seamless operations.

• Ghost integration allows content creators and publishers to seamlessly accept Bitcoin payments for various purposes, including donations, paywalled content, and memberships.

• ECWID integration allows merchants on the e-commerce platform to seamlessly accept bitcoin payments.

• Removed Watch-Only wallet creation by default. V2.1.0 disables watch-only wallet creation by default for non-admin users to minimize user risks.
• Plugin store improvements. Email verification has been introduced as a requirement before publishing. This will be mandatory for all future plugin versions published on the BTCPay Server Plugin Builder website.
  • The next step is GitHub account verification, currently optional, but it will become mandatory in future versions. This phased rollout enhances plugin authenticity while maintaining developer workflows.

"The next release of Plugin Builder will also include improvements to author verification, further streamlining the plugin publishing process and enhancing overall trust. We’re additionally working on Featured Plugins, which will highlight widely used and trusted plugins from reputable authors to help users discover the most reliable tools available."

• Plugin updates:
  • Cash Checkout adds a cash payment option to the checkout process, making it ideal for physical merchants using the BTCPay POS app.
• Satoshi Tickets. Event organizers can now create and manage events with built-in ticketing via their BTCPay Server instance.
• Vendor Pay (ex-Payroll) comes with email flows for invoice reminders and payment confirmations, support for multiple invoice/receipt uploads, new settings, improved CSV exports, and more.
• Xpub Extractor - a tool for easily extracting xpubs from hardware wallets using BTCPay Vault, particularly useful for multisig setups.
• TicketTailor update resolves a previous API issue that misrepresented ticket prices.
• CoinJoin & Nostr plugins also got several bug fixes and stability improvements.
• Greenfield: added refundBOLT11Expiration to Get/Update store endpoint.
• Greenfield: Added invitationLink and disabled properties to user APIs.
• Fix: Translatable text with accents were improperly rendered.
• Fix: Refunds through API were ignoring BOLT11 expiration at store level.
• Fix: PaymentRequests created via API never expires.
• Improved UX for store email rules triggers.
• Store users: Ensure the last owner cannot be downgraded.

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