🎉 MAJOR UPDATE - Full Catalog Parity Achieved! #

This release achieves 100% catalog parity with Python and TypeScript versions!

Added - Catalogs (58+ total) #

INEGI Catalogs (3)

• InegMunicipios - All 2,469 Mexican municipalities with complete INEGI data
• InegLocalidades - 300,000+ localities with GPS coordinates (lazy loading)
• Enhanced InegStates with improved lookup methods

SEPOMEX Catalog (1)

• SepomexCodigosPostales - 157,000+ Mexican postal codes with complete address data (lazy loading)

SAT CFDI 4.0 Catalogs (15)

• SatFormaPago - Payment methods (20+ records)
• SatMetodoPago - Payment method types (PUE, PPD, etc.)
• SatUsoCFDI - CFDI usage types (20+ records)
• SatRegimenFiscal - Tax regimes (20+ records)
• SatMoneda - Currencies (180+ records)
• SatPais - Countries (250+ records)
• SatTasaOCuota - Tax rates
• SatTipoComprobante - Receipt types (I, E, T, N, P)
• SatExportacion - Export types (4 records)
• SatObjetoImpuesto - Tax object types (4 records)
• SatClaveProdServ - Product/service codes (50,000+ records, lazy loading)
• SatClaveUnidad - Units of measure (600+ records)
• SatTipoRelacion - Relation types (7 records)
• SatImpuesto - Taxes (ISR, IVA, IEPS)
• SatMeses - Months (13 records)

SAT Carta Porte Catalogs (5)

• SatAeropuertos - Airports (76 records) with IATA/ICAO lookup
• SatPuertosMaritimos - Seaports (85 records)
• SatCarreteras - Highways (500+ records)
• SatTipoEmbalaje - Packaging types (50+ records)
• SatTipoPermiso - Permission types (30+ records)

Banxico Catalogs (5)

• BanxicoBanks - Banks (150+ records) with search
• BanxicoInstituciones - Financial institutions (200+ records)
• BanxicoCodigosPlaza - Plaza codes (2,500+ records)
• BanxicoMonedas - Currencies (180+ records)
• BanxicoUDIs - Historical UDI values

IFT Catalogs (2)

• IftCodigosLada - Area codes (700+ records) with city search
• IftOperadoresMoviles - Mobile operators (10+ records)

Mexico General Catalogs (4)

• MexicoUMA - Historical UMA values
• MexicoSalariosMinimos - Historical minimum wages
• MexicoHoyNoCircula - Vehicle verification schedule (CDMX)
• MexicoPlacasFormatos - License plate formats by state

Added - Infrastructure #

• BaseCatalog class with lazy loading and caching
• CodeLookup mixin for code-based catalog lookups
• NameSearch mixin for name-based catalog searches
• Memory management with clearCache() methods for large catalogs
• Asset loading strategy for Flutter apps

Documentation #

• CATALOGS.md - Complete catalog reference (58+ catalogs)
• Updated README with all catalog examples
• API documentation for all catalog classes

Performance #

• Lazy loading for large datasets (157K+ postal codes, 300K+ localities)
• In-memory caching for frequently accessed data
• Optimized lookup maps for O(1) access time

Total Records #

• 470,000+ total records across all catalogs

Fixed #

• Flutter plugin packaging with native MethodChannel registration
• iOS CFDI native handler for XSD validation and signing

Added #

• SAT Contabilidad Electrónica (Anexo 24) código agrupador catalog (2024/2026 + diff)
• SQLite-backed catalog support for contabilidad electrónica tables
• Same data as Python/TypeScript versions
• Zero dependencies on external APIs (100% offline)

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Added #

• Initial release of catalogmx for Dart/Flutter
• RFC validator and generator (Persona Física and Persona Moral)
• CURP validator and generator with check digit validation
• CLABE validator and generator with checksum
• NSS validator and generator with modified Luhn algorithm
• INEGI States catalog with full Mexican states data
• Comprehensive unit tests for all validators
• Full documentation and examples
• Cross-platform support (Android, iOS, Web, Desktop)

Features #

• 100% null-safe implementation
• Identical API to Python and TypeScript versions
• Official validation algorithms
• Type-safe catalog access
• Lightweight with minimal dependencies (only diacritic)
• Offline-first operation

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Future Roadmap #

Planned for v0.5.0 #

• SQLite database support for ultra-large datasets
• Enhanced Flutter asset loading
• Performance benchmarks
• Additional helper methods for common queries
• Catalog data versioning and updates