Still on Drupal 7? Security support for Drupal 7 ended on 5 January 2025. Please visit our Drupal 7 End of Life resources page to review all of your options.
For the best developer experience and dependency management, install with Composer using the following command: composer create-project acquia/lightning-project MYPROJECT
Prior to 2.0.0-rc4, prefixed CSS code was run through PHP CSS Parser's createPretty formatter and un-prefixed CSS code was not. Beginning in 2.0.0-rc4, all CSS code is formatted with PHP CSS Parser's createPretty formatter.
Release 2.0.0-rc4 adds support for live updates in Layout Builder when a CSS field formatter is configured to <style> element in <head>.