KeenWP

Curated resource guide

WordPress Product Development Resources

Develop WordPress products for years of customer use, updates, support, and ecosystem change—not only for launch day. These references cover product architecture, onboarding, extensibility, licensing, releases, migrations, telemetry, documentation, marketplaces, security response, compatibility testing, customer-site reliability, and sustainable maintenance.

Scope

What this guide covers

  • Building commercial/open-source WordPress products
  • product architecture
  • plugin/theme scope
  • onboarding
  • settings UX
  • extensibility
  • licensing
  • license-key systems
  • update delivery
  • release channels
  • semantic versioning
  • backward compatibility
  • migrations
  • telemetry
  • privacy
  • documentation
  • support tooling
  • debugging information
  • feature flags
  • analytics
  • payments/subscriptions
  • marketplaces
  • WordPress.org distribution
  • security response
  • vulnerability disclosure
  • testing matrix
  • PHP/WP compatibility
  • CI/CD
  • release management
  • customer-site reliability
  • and long-term maintenance

Selected references

Curated resources

Links open the original publisher so you can use the complete, current material in context.

  1. 01
    5
    Recommended starting point

    WordPress Plugin Developer Handbook

    The official starting point for building WordPress plugins. It connects the core concepts, APIs, security practices, and distribution guidance in one maintained handbook.

    developer.wordpress.org
  2. 02
    5

    Detailed Plugin Guidelines

    The rules used for plugins hosted in the WordPress.org directory. Even for privately distributed work, they provide a valuable review of licensing, security, behavior, and user trust.

    developer.wordpress.org
  3. 03
    5

    How Your readme.txt Works

    Document requirements, compatibility, installation, changes, and support details in the format used by WordPress.org.

    developer.wordpress.org
  4. 04
    5

    Semantic Versioning

    A small, precise specification for communicating compatible features, fixes, and breaking changes through versions.

    semver.org
  5. 05
    5

    WordPress Coding Standards for PHPCS

    The canonical PHPCS ruleset for enforcing WordPress PHP conventions and catching common quality problems in CI.

    github.com
  6. 06
    5

    Security for WordPress Developers

    WordPress security guidance built around validating input, sanitizing data, escaping output, and checking capabilities. It gives plugin code a sound defensive baseline.

    developer.wordpress.org
  7. 07
    5

    Plugin Check

    Run WordPress.org-aligned checks for common plugin problems before packaging a release or submitting it for review.

    wordpress.org