Changelog

History of banking-stack versions.

v1.0.0 (2026-06-26)

Features

• SPI Simulator (Go) — ISO 20022, real-time Pix transactions
• DICT Simulator (Go) — Pix key registration and lookup
• ISO 8583 Simulator — Binary financial messages
• Workflow Engine — Process automation with directed graphs
• Open Finance Simulator — OAuth 2.0, consents, accounts
• NFS-e Integration — Electronic service invoices
• Report System — Report generation with MinIO
• Leaky Bucket — Rate limiting with Redis and GraphQL
• Ledger — Bank CRUD with GraphQL and Relay
• Landing Page — Next.js 14, Radix UI, Storybook
• KYC System — Vite, React, Zod, Zustand
• Documentation — VitePress, PT/EN, API Reference

Infrastructure

• Docker Compose for all services
• MongoDB, PostgreSQL, Redis, MinIO
• GitHub Actions CI/CD
• Vercel for docs and frontend

Decisions

• Go for critical financial services (SPI, DICT)
• TypeScript for business logic and prototyping
• MongoDB for flexible data (Ledger, DICT)
• PostgreSQL for structured data (Reports)
• Redis for cache and rate limiting

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v0.1.0 (2026-06-01)

Initial release

• Scaffold for 14 challenges
• Docker Compose for infrastructure
• Basic documentation