By Greg Nowak, 1 December, 2018 Drupal 8 Development: Legacy Support, Module Work, and Upgrade Planning Drupal 8 is long past end of life, but many teams still inherit it. This guide explains what safe Drupal 8 development looks like in 2026, how to keep custom work maintainable, and how to plan a staged upgrade to supported Drupal. Tags Drupal Drupal 8 Legacy CMS upgrade planning Custom Development