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Ecma International approves new standards

01.07.2026

Geneva, 1 July 2026

The 131st General Assembly held in Geneva on 30 June 2026 approved the following documents:

  • ECMA-262 17th edition – ECMAScript® 2026 language specification
  • ECMA-370 7th edition – TED – The ECO declaration
  • ECMA-402 13st edition – ECMAScript® 2025 internationalization API specification
  • ECMA-419 4th edition – ECMAScript® embedded systems API specification
  • ECMA TR/114 1st edition – Runtime keys

For more information: please contact Samina Husain, Secretary General of Ecma International at media@ecma-international.org.