Content Changelog#

All notable changes to learning content (lessons, exercises, assessments) are documented here.

Categories: Added for new content, Changed for updates, Removed for deletions.

Unreleased#

Added#

  • Intro paragraphs to 15 lesson pages for better previews and SEO

Changed#

  • Replaced 62 diagram images with Mermaid code blocks across 28 files

  • Resolved all markdownlint issues: added code block languages, image alt text, and heading fixes across 52 files

2026-03-22#

Added#

  • Glossary with 70+ terms across 7 domains

  • Contributor profiles and presentation decks in Resources

Changed#

  • Reorganized all content into Learn / Training / Reference / Resources structure

  • AI lessons moved to Learn > AI (foundations, core techniques, advanced)

  • Software Engineering lessons moved to Learn > Software Engineering

  • Cloud & Infrastructure lessons moved to Learn > Cloud & Infrastructure

  • All quizzes, assignments, and exams moved to Training sections

  • Blog articles converted to Reference quick-lookup guides

  • Added SEO meta descriptions to main pages

2026-03-03#

Added#

  • AI Fundamentals training module — knowledge checks, practice assignments, and final exam

  • RAG Optimization training module — hybrid search, query transformation, post-retrieval quizzes and project

  • LLMOps & Evaluation training module — experiment comparison, observability quizzes and project

  • LangGraph & Agentic AI training module — agentic patterns, human-in-the-loop, multi-agent quizzes and project

  • DevOps Essentials training module — containerization quiz, CI/CD assignment, and final exam

  • Cloud Essentials training module — AWS services quiz and final exam

  • Microservices Architecture training module — API gateway, async communication, saga pattern project

2026-02-09#

Added#

  • Advanced indexing techniques lesson (semantic chunking, HNSW)

  • Syllabi for all 7 fresher training modules

  • Quiz and exam materials for AI Fundamentals and AI Advanced tracks

Changed#

  • Updated RAG evaluation metrics documentation with new images

2026-02-03#

Added#

  • AWS cloud services overview

  • Azure ML services overview

  • LLM evaluation and FastAPI monolith lessons

Changed#

  • Expanded Docker documentation with fundamentals, optimization, and multi-stage builds

  • Enhanced Git and Docker Compose docs with security and best practices

  • Improved testing methodologies coverage (white box, black box)

2026-01-26#

Added#

  • Fresher training program structure with 7 modules

  • AI Fundamentals knowledge base (generative AI, RAG theory, modern RAG architecture, LangChain, building RAG agents)

2026-01-17#

Added#

  • Agentic AI roadmap and patterns

  • Git Collaboration Workflow article

  • API security, JWT authentication, and Redis caching articles

  • AI introductory blog post (AI, Generative AI, LLMs, RAG overview)

Changed#

  • Updated Docker and Compose docs with uv and BuildKit best practices

  • Updated CI/CD workflows documentation

  • Updated Git references with Pro Git and GitHub Skills courses

  • Revised observability and experiment comparison content

2026-01-08#

Added#

  • Initial documentation site with blog-style content

  • Software Engineering articles: Git collaboration, database design, API security, caching strategies, testing methodologies, Docker best practices, microservices vs serverless, CI/CD pipelines, and design patterns

  • AI module 1 (RAG foundations) and module 2 (RAG implementation)