How to Build an Accessible i18n Pipeline for EAA Compliance

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The European Accessibility Act came into force on 28 June 2025, requiring EU-facing e-commerce, banking, ticketing, and e-reader products to meet strict accessibility standards. While most engineering teams address ARIA roles and color contrast, a less visible compliance risk lies in how translated text is structured and delivered to assistive technologies. Flat, context-free translation files can cause issues such as truncated labels, incorrect gender agreement, and broken RTL markup — none of which are caught by standard unit tests. Developers are advised to enrich translation keys with contextual metadata, screenshots, and length constraints, and to use ICU MessageFormat for languages requiring gender agreement. Automated CI checks for string length ratios and truncation detection on translated builds can catch structural accessibility issues before they reach production.

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