Peak SSE

News

Systems engineering and functional safety news: what changed, why it matters to working engineers, and our view.

• Standards · Functional safetyIEC 61508 Edition 3 reaches final vote, with tighter competence rulesAll seven parts of IEC 61508 Edition 3 are out as final drafts, forecast for January 2027. IEC's abstract lists more detailed competence requirements.19 October 2026
• Standards · Functional safetyIEC 61508 Edition 3: when it is due and what changesAll seven parts of Edition 3 are at final draft (FDIS) stage, with IEC forecasting publication in January 2027. The draft clarifies SIL and systematic capability.12 October 2026
• Standards · Functional safetyNew IEC guidance on object-oriented software in safety-related systemsIEC TR 61508-3-3:2025 sets out what to consider when object-oriented software is used in functional safety applications. It supplements IEC 61508-3 and replaces none of it.12 October 2026
• Regulator · Functional safetyHSE inspectors on moving from OG86 to ISA/IEC 62443Two HSE specialist inspectors gave a keynote titled "Moving from OG86 to ISA/IEC 62443". HSE's own cyber security page still presents OG86.12 October 2026