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.
On November 17, 2014, the Google Calendar API v2 was deprecated. This module, and others on drupal.org, depended on and used that API. The 7.x-2.x branch of Agenda was created to convert the module to use Google Calendar API v3. The 6.x-2.x branch was then also created and made the same changes (see #2376795. See the README for installation instructions when updating. Use with caution in production environments.