3.4.18

This is the final release of Lightning 3.x. No further security updates or bug fixes will be made. Please see the uninstall instructions to remove the Lightning distribution from your site, or the official end-of-life announcement or site owner FAQ for more information.

Changelog

• Uninstaller will now automatically remove lightning_install.

Update steps

Update your codebase:

composer self-update
composer require acquia/lightning:~3.4.18 --no-update
composer update

Run database updates (if required - depending on the version from which you are updating):

drush cache:rebuild
drush updatedb

Run Lightning configuration updates (if required - depending on the version from which you are updating):

drush cache:rebuild
drush update:lightning

For general update instructions see https://github.com/acquia/lightning/blob/8.x-3.x/UPDATE.md.