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Ecma International approves new standards


Geneva, 22 June 2021

The 121st General Assembly held as a virtual meeting on 22 June 2021 approved the following documents:

  • ECMA-74 18th edition – Measurement of airborne noise emitted by information technology and telecommunications equipment
  • ECMA-262 12th edition – ECMAScript® 2021 language specification
  • ECMA-402 8th edition – ECMAScript® 2021 internationalization API specification
  • ECMA-419 1st edition – ECMAScript® Embedded Systems API Specification
  • ECMA TR/109 1st edition – Class specifications for embedded hardware components
  • ECMA TR/110 1st edition – Recommendations and best practices for scripts on connected sensing devices

For more information: please contact Patrick Luthi, Secretary General of Ecma International at