Unicode 18.0 adds 13,007 new characters, including three currency symbols for Maldivian, UAE, and Omani currencies, bringing total encoded characters to 172,808. Major additions include 11,328 historical Seal script characters significant to Chinese cultural heritage and Jurchen script, along with updated specifications for variation selectors to prevent AI attacks.
This Unicode Technical Standard specifies mechanisms for detecting and formatting URLs and email addresses in text, addressing challenges with boundary detection and character encoding. It emphasizes support for Unicode characters in URLs to enable seamless use of non-ASCII writing systems while maintaining readability for human users.