The 2025 release of the CSA B149 Code Series in Canada marks a notable shift in the country’s gas safety framework. The update, particularly the revised CSA B149.1, Natural Gas and Propane Installation Code, introduces new measures to prepare the gas sector for a low-carbon future with a focus on hydrogen integration. This update broadens the code's scope to encompass industrial applications, aligns more closely with electrical standards, and sets the groundwork for hydrogen-natural gas blends. While addressing key areas like separation distances and piping materials, the code also introduces early guidance on hydrogen integration. Despite the forward-looking changes, a separate hydrogen-specific code isn’t currently anticipated, as the B149.1 code will continually evolve to accommodate hydrogen blends. This evolution impacts gas fitters and technicians who may need to update their training materials and potentially re-certify under the new code based on jurisdictional regulations or employer policies. The B149 Code Series is emphasized as a dynamic document that adjusts to industry advancements, ensuring safety remains a top priority in the ever-changing energy landscape.