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Engineering Log

Changelog

Histórico de atualizações da plataforma KGA

79 atualizaçõesv1.0.0v4.12.32024-012026-04
FeatureFixImprovementSecurityBreaking

April 2026 (late)

v5.0.x
v5.0.6Feature

20 new R&D portfolio projects across AI, Quantum, and Frontier Tech

Added Kotoba RAG Eval, OpenSafe agent sandbox, Kagami LLM gateway, EvalOps Aokigahara, Vision Hokusai, Koe-Kaibou, Mirai Multimodal, Synth-Umi, Guard-Tate, QSIM-Yamato, PQC-Musashi, QML-Sakura, QOpt-Akane, QFaultTol-Shiraito, Neuro-Kaminari, Federated-Asagiri, Spatial-Oboro, AutoAgent-Hibiki, EdgeAI-Kitsune. All projects framed as internal R&D / pilot / beta — total portfolio now 32.

v5.0.5Feature

20 interactive demo components for new portfolio projects

Built rich client-facing demos with charts, gauges, circuit diagrams, network topologies, and live-data visualizations (~4,500 lines TSX). All demos use Tailwind + lucide-react with no fake client names; quantum demos clearly labeled as classical simulation.

v5.0.4Feature

50 new technical blog posts across 5 topic clusters

Published Claude Code plugins (10 posts), AI mythos & narrative criticism (10), AI quality decline (10), new AI releases 2026 (10), and NVIDIA NIM (10). All posts include per-locale SEO metadata, hreflang, og:locale, and canonical URLs.

v5.0.3Feature

Full multi-language support: 32 projects × 9 locales

Translated all 32 portfolio projects into ja, en, pt, es, ko, zh, ms, fil, vi. Each entry covers title, description, category label, duration, challenge, solution, and 4 internal-benchmark results.

v5.0.2Improvement

SEO/i18n hardening across the entire site

Migrated all references from kga-it.jp to kga-it.com. Added per-locale og:locale (BCP-47), og:alternateLocale, hreflang+x-default on every route. Configured nginx to serve robots.txt/sitemap.xml with no-store + Cloudflare CDN bypass headers.

v5.0.1Improvement

Pricing & services page redesigns

Replaced individual-services price table with rich icon+description card grid. Removed all per-service ¥ prices from /services to keep the page free of figures that exceed registered Komoju maximum unit. Fixed 'Recommended' badge clipping on featured pricing card.

v5.0.0Improvement

Mobile responsiveness pass + framer-motion fallback policy

Added body overflow-x:hidden + overflow-wrap rules to globals.css. Refactored framer-motion components so initial.opacity = 1 (content always visible if IntersectionObserver fails). Verified zero horizontal scroll across 5 device profiles via Playwright iPhone 13 / iPad Mini emulation.

v4.13.4Security

Removed unverifiable credibility claims

Deleted fabricated AggregateRating, ISO 27001 trust badge, fake employee count, and unverifiable founding date from JSON-LD and trust-badge components.

v4.13.3Fix

Pricing data integrity sweep across 9 locales

Realigned all prices on /pricing, /tokushoho, terms, and JSON-LD priceRange to match Komoju-registered range (¥3,000 ~ ¥49,800). Updated Annual Basic / Annual Premium / Business plan structure across legal pages.

v4.13.2Feature

Komoju-ready legal & SEO foundation

Added per-locale canonical and hreflang to /tokushoho, /terms, /privacy, /acceptable-use. Generated checkout-flow wireframe (kga-it_komoju_checkout_flow.svg/png) for Komoju review.

April 2026 (early)

v4.12.x
v4.12.3Feature

Internal quantum simulation prototype (QSIM-Yamato R&D)

Stood up internal cuQuantum-based simulator for variational-algorithm research. Up to 32-qubit state-vector and 40-qubit MPS regimes — strictly classical simulation, no quantum-hardware advantage claimed.

v4.12.2Improvement

Multi-agent orchestration pipeline v3 (internal R&D)

Reduced internal-benchmark inter-agent latency in our agent-harness sandbox by switching coordination from HTTP to NATS JetStream + Redis with capability-gated execution.

v4.12.1Fix

Webhook delivery resilience improvements

Hardened internal webhook delivery service against connection-pool exhaustion at sustained 2K req/s. Added exponential-backoff retry with dead-letter queue for failed deliveries.

v4.12.0Feature

Agent research sandbox (OpenSafe internal)

Internal R&D platform for autonomous-agent testing. Isolated gVisor compute environment with full OpenTelemetry telemetry, capability gating via OPA/Rego policies, and kill-switch capabilities.

March 2026

v4.11.x
v4.11.4Security

Patched CVE-2026-1847 in authentication middleware

Critical session fixation vulnerability in auth middleware. All client instances updated within 2h of disclosure. No evidence of exploitation.

v4.11.3Feature

Real-time anomaly detection v2

Deployed for internal R&D manufacturing IoT sensors — 97.2% accuracy on production data. Model trained on 14 months of sensor telemetry from an internal pilot.

v4.11.2Improvement

Database migration tooling

Zero-downtime migrations for PostgreSQL 17 clusters. Supports concurrent index creation and automatic rollback on constraint violations.

v4.11.1Fix

Memory leak in AI inference service

Affecting an internal pilot — peak memory reduced 68%. Leak traced to unreleased CUDA tensors in batch inference pipeline.

v4.11.0Feature

LLM-powered code review assistant

Internal tool now reviewing 200+ PRs/week. Catches security anti-patterns, performance regressions, and style violations with 91% precision.

February 2026

v4.10.x
v4.10.5Improvement

CDN edge cache optimization

TTFB reduced to 12ms for Asia-Pacific region. Deployed edge nodes in Tokyo, Singapore, and Sydney with intelligent cache warming.

v4.10.4Feature

Hermes 3 model deployment pipeline

Self-hosted LLM inference for our internal chatbot prototype. Running on our 4x A100 internal cluster with dynamic batching — p95 latency under 180ms.

v4.10.3Fix

Rate limiter false positives

Fixed false positives on internal API gateway during traffic spikes. Switched from fixed-window to sliding-window algorithm with token bucket fallback.

v4.10.2Security

FIDO2/WebAuthn for admin dashboards

Implemented across all client projects. Hardware key support with fallback to platform authenticators. Legacy TOTP deprecated for admin roles.

v4.10.1Feature

Automated compliance report generator

Built for internal R&D financial services client. Generates SOX, PCI-DSS, and internal audit reports from live infrastructure state.

v4.10.0Breaking

Internal APIs migrated from REST to gRPC

4.2x throughput improvement. All internal service-to-service communication now uses gRPC with Protocol Buffers. REST endpoints remain for external consumers.

January 2026

v4.9.x
v4.9.3Feature

OpenClaw framework integration

Open-source AI agent tooling for autonomous task execution. Supports tool-use chains, memory persistence, and human-in-the-loop approval gates.

v4.9.2Improvement

Kubernetes autoscaler tuning

Reduced cloud costs 34% for our internal training cluster. Custom HPA metrics based on queue depth and inference latency instead of CPU alone.

v4.9.1Fix

Timezone handling bug in booking system

Fixed in our internal booking-system prototype — was causing duplicate appointments across DST boundaries. Migrated all datetime handling to UTC with explicit zone conversion.

v4.9.0Feature

Vector database migration to Qdrant

Migrated from Pinecone to self-hosted Qdrant — 60% cost reduction. Supports 50M+ vectors with sub-10ms search latency on commodity hardware.

December 2025

v4.8.x
v4.8.4Feature

Model Distillation System (MDS) v1

Compressed GPT-4 quality into 7B parameter model for edge deployment. Runs on consumer GPU with 85% benchmark parity on internal domain-specific tasks.

v4.8.3Security

Annual penetration test completed

0 critical, 2 medium findings (both resolved within 48h). Test conducted by internal R&D certified security firm covering all production endpoints.

v4.8.2Improvement

CI/CD pipeline optimization

Build times reduced from 12min to 3min 20s. Introduced remote caching, parallel test execution, and dependency-aware incremental builds.

v4.8.1Fix

Data synchronization conflict resolution

Fixed in internal multi-region deployment. Implemented CRDT-based conflict resolution for eventually consistent cross-region data replication.

v4.8.0Feature

Super Brain architecture v1

Multi-LLM orchestration system (GPT-4o + Claude + Gemini). Intelligent routing based on task type, latency requirements, and cost constraints.

November 2025

v4.7.x
v4.7.3Improvement

Webhook retry mechanism with exponential backoff

Delivery rate improved to 99.98%. Configurable retry policies per endpoint with dead-letter queue for persistent failures.

v4.7.2Feature

AI-powered log analysis

Deployed for internal R&D infrastructure — auto-correlates incidents across 40+ services. Reduces mean-time-to-detection from 23min to under 90 seconds.

v4.7.1Fix

CSS rendering issue on Safari 18

Fixed for an internal pilot dashboard. CSS container query fallback for Safari 18's partial @container support; verified across our internal style-test fixtures.

v4.7.0Feature

Real-time translation API

Supporting 9 languages across all client portals. Hybrid approach: cached translations for static content, LLM-powered for dynamic user-generated content.

October 2025

v4.6.x
v4.6.2Feature

Predictive maintenance ML model v3

Validated against an internal manufacturing-data fixture — accuracy improved 78% to 94%. Model now incorporates vibration, thermal, and acoustic sensor data with temporal attention. Numbers reflect internal-benchmark validation only.

v4.6.1Improvement

GraphQL query optimization

N+1 query elimination reduced API response time 5.2x. Implemented DataLoader pattern with request-scoped batching and caching.

v4.6.0Breaking

Auth system migration to Passkey-first

Legacy password support deprecated for new projects. Existing projects retain password auth with migration path. Passkey enrollment rate at 73% after 30 days.

September 2025

v4.5.x
v4.5.3Feature

Automated POS data migration toolkit

Purpose-built for restaurant chain clients. Supports Square, Toast, and Clover data formats with automatic schema mapping and validation.

v4.5.2Security

SOC 2 Type II controls implementation

Implemented in our internal healthcare-prototype platform. Full audit trail, access controls, and encryption standards meeting SOC 2 Type II requirements.

v4.5.1Fix

Race condition in concurrent order processing

Fixed for internal R&D e-commerce platform. Implemented optimistic locking with retry logic for inventory deduction under high concurrency.

v4.5.0Feature

CLI tool v2.0

Complete rewrite in Rust — 10x faster deployment scripts. Single binary distribution, cross-platform support, and built-in SSH tunnel management.

August 2025

v4.4.x
v4.4.2Improvement

Image optimization pipeline

WebP/AVIF auto-conversion with intelligent quality selection — 62% bandwidth reduction. Integrated with CDN for on-the-fly resizing and format negotiation.

v4.4.1Feature

Subvertentes prompt engineering framework

Advanced multi-step reasoning chains for complex automation. Supports chain-of-thought decomposition, self-verification, and automatic prompt optimization.

v4.4.0Feature

IoT data pipeline v2

Processing 1.2M events/minute on our internal benchmark. Built on Apache Kafka with custom partitioning strategy optimized for time-series sensor data.

July 2025

v4.3.x
v4.3.3Fix

Payment webhook idempotency issue

Fixed for internal subscription service. Duplicate charge prevention using idempotency keys with 24h TTL in Redis cluster.

v4.3.2Feature

A/B testing framework

Statistical significance auto-detection with configurable confidence levels. Supports multi-armed bandit allocation for faster convergence.

v4.3.1Improvement

Docker image size reduced 73%

Using multi-stage builds with distroless base images. Production Node.js image down from 1.2GB to 324MB. Build cache hit rate improved to 89%.

v4.3.0Feature

Free API gateway tier launched

Rate-limited access for development/staging environments. 1,000 requests/day free tier with automatic upgrade path to production plans.

June 2025

v4.2.x
v4.2.2Security

Dependency audit completed

Updated 47 packages, resolved 3 high-severity vulnerabilities. Automated weekly dependency scanning with Snyk integration now active across all repositories.

v4.2.1Feature

Slack/Discord integration for incident alerting

Across all monitored services. Contextual alerts with runbook links, affected service topology, and one-click acknowledgment.

v4.2.0Feature

Origin Quantum API wrapper v1

Simplified quantum circuit construction for research clients. Abstracts hardware-specific gate sets behind a unified interface with automatic transpilation.

May 2025

v4.1.x
v4.1.3Fix

PDF report generation timeout

Fixed for internal R&D analytics dashboard with 500K+ rows. Switched to streaming PDF generation with chunked rendering — max generation time now under 8s.

v4.1.2Improvement

Redis cluster migration to Redis 8

Pub/Sub performance improved 3x. Leveraging new per-slot threading model and improved memory defragmentation for our internal real-time messaging research workload.

v4.1.1Feature

Custom domain SSL provisioning automation

Let's Encrypt + Cloudflare DNS integration. Fully automated certificate issuance, renewal, and deployment with zero manual intervention.

v4.1.0Feature

Autonomous agent framework "KAZE"

Internal tool for automated system administration. Handles routine maintenance tasks, capacity planning alerts, and incident triage autonomously.

April 2025

v4.0.x
v4.0.2Fix

Localization fallback chain bug

Causing 404 on unsupported locale routes. Implemented proper fallback chain: exact match → language match → default locale, with 301 redirects.

v4.0.1Improvement

API rate limiting per-client

Configurable tiers with burst allowances. Dashboard pattern for tenants to monitor usage, set alerts, and request limit increases self-service.

v4.0.0Breaking

Platform v4.0 — Complete architecture rewrite

Microservices, event-driven, Kubernetes-native. 47 services decomposed from monolith. Rolling deployment with zero-downtime migration in our internal staging environment.

Q4 2024 (Oct–Dec)

v3.7.x–v3.9.x
v3.9.0Feature

Client dashboard v3 with customizable widgets

Drag-and-drop widget layout, saved views, and role-based visibility. Real-time data refresh via WebSocket with configurable polling fallback.

v3.8.2Security

End-to-end encryption for data at rest

Implemented in our internal data pipeline at rest. AES-256-GCM with per-tenant key management via HashiCorp Vault. Key rotation automated on 90-day cycle.

v3.8.0Feature

Automated backup verification system

Daily restore tests for all client databases. Automated integrity checks with Slack alerts on any verification failure. Recovery time validated under 15 minutes.

v3.7.1Fix

Memory optimization for Node.js services

Handling 10K+ concurrent connections. Implemented connection pooling, stream-based processing, and V8 heap snapshots for leak detection in an internal pilot.

v3.7.0Feature

Multi-tenant architecture for SaaS deployments

Schema-per-tenant isolation with shared compute. Tenant provisioning automated in under 30 seconds with full DNS, SSL, and seed data configuration.

Q3 2024 (Jul–Sep)

v3.4.x–v3.6.x
v3.6.0Feature

AI chatbot framework v1 with GPT-4 integration

RAG-based chatbot for customer support. Deployed for internal R&D with custom knowledge base ingestion, conversation memory, and human escalation triggers.

v3.5.1Improvement

Terraform modules library

30+ reusable infrastructure components. Modules for VPC, EKS, RDS, ElastiCache, and custom networking with opinionated defaults and escape hatches.

v3.5.0Feature

Monitoring stack deployment

Prometheus + Grafana + Alertmanager. Pre-built dashboards for all standard services, custom alert rules tied to our internal SLO thresholds, and PagerDuty integration.

v3.4.0Feature

Initial CI/CD pipeline framework

GitHub Actions-based with reusable workflow templates. Supports Node.js, Python, Go, and Rust projects with automated testing, linting, and deployment.

Q2 2024 (Apr–Jun)

v2.3.x–v3.0.x
v3.0.0Breaking

Platform v3.0 — Monolith to microservices

Complete decomposition of monolithic application into 12 domain services. Event-driven communication via RabbitMQ. Migration completed in our internal staging with zero downtime.

v2.5.0Feature

Client onboarding automation workflow

End-to-end automated provisioning: infrastructure, DNS, SSL, database, seed data, and monitoring. Onboarding time reduced from 3 days to 2 hours.

v2.4.0Feature

First production deployment

Deployed for our internal-pilot — full-stack web application with custom CMS, payment integration, and multi-language support. Running in production since June 2024.

v2.3.0Feature

SSL/TLS automation with auto-renewal

Automated certificate management for all client domains. Integrates with Let's Encrypt and AWS ACM with 30-day pre-expiry renewal triggers.

Q1 2024 (Jan–Mar)

v1.0.x–v2.0.x
v2.0.0Breaking

Platform v2.0 — Multi-client support

Added tenant isolation, per-client configuration, and resource quotas. Foundation for scaling from single-client to multi-client operations.

v1.5.0Feature

Deployment automation scripts v1

Bash and Ansible-based deployment automation. Supports blue-green deployments with automatic rollback on health check failure.

v1.2.0Feature

Basic monitoring and alerting setup

Uptime monitoring with email alerts. Basic resource utilization tracking for CPU, memory, and disk across all managed servers.

v1.0.0Feature

KGA Platform v1.0 — Initial release

Core infrastructure provisioning and management tools. Server setup automation, basic deployment scripts, and manual configuration management.

Exibindo todas as 79 entradas de v1.0.0 até v4.12.3.

Nomes de clientes, identificadores de projetos e detalhes sensíveis foram redigidos por confidencialidade.