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Changelog for Evergreen Skills for Software Developers

This file keeps a log of version releases. This file is maintained following best practices about changelogs.

Versioning guideline

  • Each significant change should be described in the "Unreleased" section
  • Entry versions should follow the following:
    • Syntax:
      • [X.Y.Z] - YYYY-MM-DD (Short description)
    • Convention:
      • For X.Y.Z, increment the digit following this scheme:
        • X = breaking change (previous version is now deprecated),
        • Y = additive change (previous version is still valid),
        • Z = just a simple patch (for a typo or error).
  • When the new version is released, a new [Unreleased] section is created in the "Release Change History" below, as a placeholder for the next version.

Release Change History

[Unreleased] [4.1.0] - 2020-12-29 ()

Added

  • Domain-Driven Design (DDD) and Hexagonal Architecture, in Architecture
  • Conventional commits, in Source Code Management
  • API Security and Circuit Breakers, in Architecture

Changed

  • Added intro for main sections: "Non-technical skills", "General technical knowledge" and "Field-specific technical knowledge"
  • "Principles" to "Programming principles", in "General technical knowledge"
  • Titles of all sections changed to Sentence case (also in index)
  • "Engage in constructive decisions" -> "Be constructive"; in Teamwork

Removed

[4.0.0] - 2020-12-23 (Significant additions, better introduction and grouping improvements)

Added

  • IAM, Authentication and Authorization; under Security
  • Language-theory knowledge, under a new "Other general technical knowledge" section (includes regex)
  • Stack vs Heap, under Data Structures
  • Non-relational databases, under back-end development
  • Message brokers, under back-end development
  • Pagination, under front-end development
  • Cryptographic protocols (TLS, SSL), in Security
  • Relevant internet protocols, in Architecture
  • Service Mesh, in Architecture
  • Data modeling, in Architecture
  • Processes vs Threads, under Infrastructure
  • Web servers and reverse proxies, under Infrastructure
  • Monitoring and Observability, under Infrastructure
  • Immutability, in Functional Programming, within Principles
  • Client-side rendering (CSR) vs server-side rendering (SSR), in front-end development
  • Browser events, under front-end development
  • Profiling, under Optimization
  • Artifact repositories and image registries, in DevOps practices

Changed

  • Improved introduction to better reflect the importance of evergreen skills and portable technical knowledge
  • Improved license note
  • Grouped the "be rational and facts-based" entry into Critical Thinking, with link to its definition
  • Renamed "master-slave" to "Controller-agent / Primary-replica"
  • Improved Peer Code Review best practice adding TL;DR note
  • Links for "control structures" and "boolean algebra"
  • Significant improvements to Clean Code section
  • Split Architecture and Infrastructure
  • Monolith vs Microservices, in Architecture
  • Concurrency is now part of "Other general technical knowledge"
  • Replaced "system tests" with "end-to-end tests"

Removed

  • Scaling and optimization section. Optimization is now under "Other general technical knowledge" and the scaling-related bullets are part of Infrastructure

[3.0.0] - 2020-11-30 (Grouping tech vs non-tech skills; plus adding multiple links and style improvements)

Added

  • Specific link on the importance of proper use of threads in chat apps
  • Link on Pair Programming best practices
  • Link to Agile Software Development principles
  • Link on the importance of empathy
  • Link to the example of time estimates on "avoid creating false expectations"
  • Multiple new problem-solving skills, with links
  • Links on SOLID and GRASP
  • Added package managers and dependency hell to "Dependency management"
  • Added link on "Continuous Delivery vs Deployment"
  • Enhanced "Infrastructure as code" with configuration and docs. Added link to "Everything as code" article
  • CI process running in CodeShip to perform spelling checks

Changed

  • Top level grouping now divided between technical and non-technical skills
  • Most abbreviations now have the full meaning next to them
  • Links are now set as text anchors in most cases (instead of separate in parentheses as before)
  • Fixed some typos
  • Markup improvements: All titles have the same case (capitalized) and always a blank line afterwards
  • Minor improvements to changelog and typo fixed in contributing guideline

Removed

  • .

[2.0.0] - 2019-01-19 (Extended sections, created new & more reference links)

Added

  • Architecture and Infrastructure section
  • Security section
  • "Semantic versioning", included in the "Clean Code" section
  • "Dependency management", in the "Collaboration and SCM" section
  • "Control structures and Boolean algebra", into "Principles"
  • "Imperative vs declarative programming", included in the principles section, with a reference article

Changed

  • Back-end section: minor changes to existing items and added some new concepts (e.g. "session handling" and "database design")
  • Split "Principles" section, creating also "Data Structures"
  • Included a link to e-mail and chat (Slack) communication best practices
  • Linked to article about the productivity cost of interruptions

Removed

  • .

[1.0.0] - 2018-12-30 (First release)

Added

  • First draft including 3 groups of skills: core (aka "soft"), innovation & (self-)management
  • Table of contents
  • Introduction, purpose and work-in-progress disclaimer
  • Contributing guidelines, code of conduct and templates for PRs and issues

Changed

Removed