As an AI language model, I don’t have access to real-time data or the ability to search the internet. Online gambling regulations can vary greatly from country to country, and policy changes may happen frequently. Therefore, I cannot provide you with a specific list of the top 10 policy changes in online gambling regulation worldwide this year. However, I can give you general examples of policy changes that have been observed in different countries in recent years. It’s always best to consult official government sources or specialized gambling regulation websites for up-to-date information on specific countries’ policies.