Release Notes

Track every HarchOS release. New features, improvements, bug fixes, breaking changes, and deprecations — documented in detail.

Latest version:v0.1.1|Back to docs

v0.2.0

Upcoming
Q3 2026

Major feature release introducing ACT layer live migration, Kubernetes operator, and expanded multi-hub orchestration capabilities.

New Features

(8)
ACT layer: Live container migration between hubs with <200ms switchover
Kubernetes operator for native workload management and CRD support
Terraform provider v1.0 for full infrastructure-as-code coverage
Carbon-aware scheduling v2 with spot instance support
VS Code extension with inline documentation and deploy commands
Multi-hub dashboard with real-time mesh topology visualization
Webhook API for event-driven integrations with third-party systems
Model registry with versioning, lineage tracking, and approval workflows

Improvements

(5)
SENSE: 2x throughput improvement for IoT data ingestion pipelines
THINK: Reduced decision latency from 50ms to 30ms P99
REST API: New filtering, pagination, and field selection parameters
SDK: Added streaming inference support across all language SDKs
CLI: Interactive mode with autocomplete and context-aware help

Bug Fixes

(3)
Fixed race condition in concurrent workload scaling operations
Resolved memory leak in WebSocket connection pool manager
Corrected timezone handling for carbon intensity data across hubs

Breaking Changes

(3)
REST API v1/compute/workloads response format updated (see migration guide)
Python SDK: Client constructor signature changed (positional → keyword args)
CLI: Deprecated "harchos run" in favor of "harchos workloads deploy"

Deprecations

(3)
REST API v1beta1 endpoints will be removed in v0.3.0
Python SDK: harchos.Client.sync() method deprecated, use harchos.Client() directly
CLI: "harchos jobs" command group renamed to "harchos workloads"

v0.1.1

Current
March 2026

Bug fix and improvement release addressing stability, performance, and usability issues identified since the initial launch.

New Features

(4)
Added Grafana dashboard templates for common monitoring patterns
New API endpoint: POST /v1/operations/schedule for carbon-aware policies
CLI: Added "harchos energy report" command for carbon metrics
SDK: Added retry with exponential backoff for all API operations

Improvements

(6)
SENSE: Improved schema validation error messages with field-level detail
THINK: Optimized model inference for transformer architectures (12% faster)
REST API: Added X-Request-Id header for distributed tracing correlation
Documentation: Expanded API reference with code examples in all SDK languages
SDK: Reduced cold start time for TypeScript SDK by 40%
CLI: Improved error messages with actionable suggestions

Bug Fixes

(6)
Fixed incorrect GPU memory reporting for MI300X workloads
Resolved authentication token refresh issue causing 401 errors after 1 hour
Fixed data pipeline checkpoint corruption on interrupted ingestion runs
Corrected PUE calculation for Hub Gamma (Ouarzazate) solar-boosted periods
Resolved CLI config file parsing error on Windows with non-ASCII paths
Fixed WebSocket reconnection logic not respecting backoff intervals

Deprecations

(1)
CLI flag --gpu-type renamed to --gpu (alias maintained until v0.2.0)

v0.1.0

Initial Release
February 2026

The inaugural public release of HarchOS. Includes the complete SENSE and THINK layers, REST API, Python and TypeScript SDKs, and CLI tool. ACT layer is available in preview mode.

New Features

(20)
HarchOS kernel v0.1 with SENSE-THINK-ACT architecture foundation
SENSE layer: IoT data ingestion via MQTT, AMQP, and HTTP protocols
SENSE layer: Satellite imagery processing with NDVI computation
SENSE layer: API feed integration with schema validation
THINK layer: Reinforcement learning workload orchestrator
THINK layer: Carbon-aware scheduling with 4-hour prediction horizon
THINK layer: Multi-objective optimization (cost, latency, sovereignty)
ACT layer (preview): Automated workload placement and scaling
REST API v1: Compute, Data, Models, Operations, and Monitoring resources
gRPC API: ComputeService, DataService, ModelService, MeshService, IdentityService
WebSocket API: Real-time event streaming for workloads, metrics, and audit
Python SDK v0.1.0 with async support and type hints
TypeScript SDK v0.1.0 with full type safety and tree-shakeable ESM
Go SDK v0.1.0 with context support and gRPC streaming
HarchOS CLI v0.1.0 for deployment and management operations
Authentication: API keys, OAuth 2.0 (Authorization Code, Client Credentials)
Security: Zero-trust architecture, mTLS, sovereign encryption
Compliance: GDPR, ISO 27001, SOC 2 Type II, Law 09-08 compliance automation
Monitoring: Integrated Prometheus metrics, Grafana dashboards, Jaeger tracing
Five compute hubs: Dakhla, Tanger, Ouarzazate, Casablanca, Benguerir