Here is a story outlining the update and purpose of the font: The Story of CPF Imm Sook: A Vision for Health
Because the official Sook font is no longer the active standard, the most practical "updated" solution is to use the designated replacement. GovTech officially sanctions as the free, open-source alternative that matches Sook Mun’s metrics. CPF forms updated in 2025 now ship with Noto Serif, not Sook. font cpf imm sook updated