Release v1.0.0

What's Changed

Added

• Subscription state monitoring for billing retry and grace period (addresses #6)
  • isInBillingRetry(for:) - Check if subscription is in billing retry state
  • isInGracePeriod(for:) - Check if subscription is in grace period
  • renewalState(for:) - Get current renewal state for a subscription
  • subscriptionStatusUpdates - Direct access to StoreKit 2's subscription status update stream
  • allSubscriptionStatuses - Stream of all subscription group statuses (iOS 17+)
• Comprehensive product extension methods for subscription details (localizedPrice, localizedPeriod, hasTrial, priceInDay)
• PurchaseOptionsBuilder for fluent configuration of purchase options
• PromotionalOffer model for handling subscription offers
• ProductService with better caching for product fetching
• PriceFormatter and PeriodFormatter utilities for localized formatting
• CurrencySymbolsLibrary for comprehensive currency symbol support
• Example iOS application demonstrating usage
• Detailed usage documentation in Documentation/Usage.md
• Support for visionOS platform

Updated

• Migrated to Swift 6.0 tools version while maintaining Swift 5.10 compatibility
• Reorganized code structure
• Enhanced error handling with more specific MercatoError cases
• Simplified purchase API with automatic option building
• Enhanced README with comprehensive usage examples

New Contributors

• @wiencheck made their first contribution in #2
• @tikhop made their first contribution in #10

Full Changelog: 0.0.3...1.0.0