🌶 ️ CiviCRM 5.63.0 - Regression, Mailing click tracking now returns: Error 500 malformed header from script 'url.php': Bad header for all tracked URLs
Regression, Mailing click tracking now returns: Error 500 malformed header from script 'url.php': Bad header for all tracked URLs
As a result, Mailing click tracking no longer works. This bug warrants a new CiviCRM release IMHO.
eg, https://flippythongs.org.au/wp-content/plugins/civicrm/civicrm/extern/url.php?u=4238&qid=201344 returns Error 500
Patch submitted, https://github.com/civicrm/civicrm-core/pull/26747/
Version: CiviCRM 5.63.0