Alpha 2 release - Issue #2986845 by hussainweb: validateCallback may throw exception instead of setting an error - Issue #3085841 by hussainweb: Safely create new algorithm class object in the plugin base - Issue #3085844 by hussainweb: Fix info file - Issue #2895132 by hussainweb: Add README.txt - Issue #3086111 by hussainweb: The element may break forms driven by Ajax functionality