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Changelog

All notable changes to the Kaldor Community Manufacturing Platform will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

[Unreleased]

[0.2.0] - 2026-04-12

Changed

  • firmware-zig: Migrated to Zig 0.15.2 API (root_module
    b.createModule(), b.graph.host)

  • firmware-zig: Renamed OtaUpdater.error field to last_error (error is a Zig keyword)

  • firmware-zig: calculateQuality signature *Self → *const Self (does not mutate)

  • firmware-zig: Block comment /** */ → // line comments (Zig has no block comments)

Added

  • firmware-zig: src/all_tests.zig — dedicated host-side test root that imports all submodules with tests (buffer, sensors, mqtt, ota, wifi) while skipping main.zig’s freestanding-only extern fn stubs

  • .gitignore: **/.zig-cache/ and **/zig-out/ patterns

  • .machine_readable/6a2/: Full content expansion for STATE, META, ECOSYSTEM, PLAYBOOK, NEUROSYM — all previously stub-only

Fixed

  • firmware-zig: All 10 host unit tests now pass on Zig 0.15.2 (previously failed to compile)

  • NEUROSYM.a2ml: Removed stale report-format = "logtalk" (Logtalk removed from Hypatia 2026-04-12)

Added

  • RSR Framework compliance (targeting Platinum level)

  • Tri-Perimeter Contribution Framework (TPCF)

  • Deno backend with WASM acceleration

  • ReScript frontend with sound type system

  • Matter protocol integration for IoT devices

  • RISC-V firmware support (ESP32-C6)

  • SCADA/DCS interoperability (OPC UA, Modbus)

  • CRDT-based offline-first architecture

  • CURP consensus protocol for community governance

  • Comprehensive security policy (RFC 9116)

  • .well-known/ directory (security.txt, ai.txt, humans.txt)

  • Code of Conduct with Emotional Safety (CCCP)

  • Quadratic voting system

  • Kaldor’s Law 2 economic integration

Changed

  • Architecture v2.0: Deno + ReScript + WASM (from Node.js + TypeScript)

  • Licensing: Palimpsest v0.8 (from MIT only)

  • Governance: TPCF perimeters (from flat model)

Security

  • Implemented RFC 9116 security.txt

  • Added responsible disclosure policy

  • Enabled signed commits requirement

  • Added dependency scanning (Dependabot)

[2.0.0] - 2025-11-22

Breaking Changes

  • Complete rewrite from Node.js to Deno runtime

  • Frontend migrated from React+TypeScript to ReScript

  • Database schema redesigned for offline-first CRDTs

  • API v2.0 with Matter protocol support

Added

  • Backend: Deno 1.40+ with Oak framework

  • Frontend: ReScript 11+ with type-safe React bindings

  • WASM: Rust-compiled modules for pattern generation and scheduling

  • Firmware: ESP32-C6 RISC-V support with Matter/Thread

  • Protocols: Matter, OPC UA, Modbus TCP/RTU

  • Database: TimescaleDB + Automerge CRDTs

  • Governance: CURP consensus + quadratic voting

  • Documentation: White paper, wiki, 3D-weave specification

Improved

  • Offline-first operation (works air-gapped)

  • Type safety (ReScript + Rust + Deno strict mode)

  • Memory safety (zero unsafe blocks in Rust)

  • Build reproducibility (Nix flake)

  • Test coverage (>80% target)

  • Security (OWASP Top 10 compliance)

[1.0.0] - 2025-11-22 (Legacy)

Added

  • Initial IIoT platform implementation

  • Node.js backend with Express.js

  • React frontend with Material-UI

  • ESP32 firmware (C++)

  • TimescaleDB time-series database

  • MQTT broker (Mosquitto)

  • Docker Compose deployment

  • Prometheus + Grafana monitoring

Deprecated

  • Node.js backend (replaced by Deno in v2.0)

  • TypeScript frontend (replaced by ReScript in v2.0)

  • C++ firmware (replaced by Rust in v2.0)

Version History

Version Date Description RSR Level

2.0.0

2025-11-22

Complete rewrite for community manufacturing

Platinum (target)

1.0.0

2025-11-22

Initial IIoT platform

Bronze

Upgrade Guide

From 1.0.x to 2.0.0

⚠️ Breaking Changes - Major Migration Required

  1. Backend Migration:

    # Remove Node.js dependencies
rm -rf backend/api/node_modules

# Install Deno
curl -fsSL https://deno.land/install.sh | sh

# Run new backend
cd backend-deno
deno task dev

  2. Frontend Migration:

    # Install ReScript
cd frontend-rescript
npm install
npm start

  3. Database Migration:

    -- Run CRDT migration
\i database/migrations/002_crdt_support.sql

  4. Firmware Migration:

    # Flash new RISC-V firmware
cd firmware-riscv
idf.py flash monitor

Data Migration: Automatic migration tool included:

deno run --allow-all scripts/migrate-v1-to-v2.ts

Support Policy

Version Status End of Life Security Fixes

2.x

✅ Active

TBD

Yes

1.x

❌ Deprecated

2025-11-22

Critical only (90 days)

Contributing

See CONTRIBUTING.md for changelog guidelines.

Changelog Entry Format:

### Added
- New feature description (#123)

### Changed
- Modified behavior description (#124)

### Deprecated
- Soon-to-be-removed feature (#125)

### Removed
- Deleted feature description (#126)

### Fixed
- Bug fix description (#127)

### Security
- Vulnerability fix (CVE-YYYY-XXXXX) (#128)

Links

Maintained by: Kaldor Community Format: Keep a Changelog v1.1.0 Versioning: Semantic Versioning v2.0.0