dd simple photo gallery is now available on wp plugins repository again. the update is not a big one with security and thumbnail ordering issue. now a days I am super busy with my other projects and some personal stuff hope to release a major update of dd simple photo gallery very soon, that’s why I am working on it when I get 1 sec free time in a day.
please report your bug on plugins linked support page, if possible with your gallery page link, I will try my best to help you in time.
thank you everyone who are using this plugins and who are replying to me with feedback.