Run the following two installation tests on master and 32: Installation - Web Clone a new instance, ready for installation. Begin web installation, and on the first step, select another language (en_us for example). Proceed past the 'Paths' step to the DB engine selection step. Confirm that you don't see any curlsecurity notices on the screen. Installation - CLI Clone a new instance, ready for installation. Begin cli installation, and on the first step, select another language (en_us for example). Proceed until you are asked to select the DB engine. Confirm that you don't see any curlsecurity notices on the screen prior to the current step. Now, perform the following tests only on 31 (Where we won't have existing $CFG->curlsecurityxxx settings during upgrade): Upgrade 31 to 32 - Web Create and install a new instance of 31 Install the language pack 'en_us'. Set this as your preferred language in the page navbar. Checkout the integration branch for 32 Now, hit the notifications page Proceed to the 'Plugins check' section of the upgrade. Click the 'Check for available updates' button at the top of the page and Confirm that you don't see any 'undefined property stdClass:curlsecurityxxx' notices. Proceed with the upgrade and Confirm that you don't see any 'undefined property stdClass:curlsecurityxxx' notices. Check the new settings page after upgrade and Confirm that you see the curl settings and that they are empty. Upgrade 31 to 32 - CLI Create and install a new instance of 31 Install the language pack 'en_us'. Checkout the integration branch for 32 Now, run the cli upgrade with the '--lang=en_us' flag Proceed with the upgrade and confirm that you don't see any 'undefined property stdClass:curlsecurityxxx' notices.