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Fix Drupal 8-based websites that had Drush 9.6 installed in the vendor directory displayed DeclarationofDrush\Commands\AhSqlCommands fatal error messages when executing Drush commands.
Fix When attempting to upgrade Drupal 7-based websites with Drush commands, Drush terminated with an error message, and the upgrade process failed.
Fix Drush commands failed for websites using PHP 7.2, causing the following error message to be written several times to the log files:
The each() function is deprecated in Net_DNS2->sendPacket()
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