2018 is an "annus mirabilis", a year of notable changes to the regulatory landscape of the public markets in Singapore. Various changes were made to the Code of Corporate Governance ("Code"), the listing manual ("Listing Manual") of the Singapore Exchange Securities Trading Limited ("SGX-ST") and the Securities and Futures Act ("SFA"). These regulations comprise the "holy trinity" of laws and regulations applicable to publicly listed companies. This article ("Article") highlights these key changes. This Article also summarises some proposed rule amendments which could see implementation in 2019.