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Glossary
Change Log
This section shows changes for WCAG 2.1 since its publication as a W3C Recommendation. These changes are also recorded as errata.
- Changes since the W3C Recommendation of 21 September 2018:
+ Changes since the W3C Recommendation of 21 September 2023:
- - modified the formatting of definitions for changes of context, general flash and red flash thresholds, and structure
- - corrected typo in input purposes list
- - modified the visual presentation for content identified as New
- - modified the language covering devices in the Abstract
- - made editorial changes to improve consistent use of definitions in the success criteria
- - made editorial changes to improve consistent use of the terms
success criteria/criterion
, web
, website
, and web page
+ - Modified the formatting of definitions for changes of context, general flash and red flash thresholds, and structure
+ - Corrected typo in input purposes list
+ - Modified the visual presentation for content identified as New
+ - Modified the language covering devices in the Abstract
+ - Made editorial changes to improve consistent use of definitions in the success criteria
+ - Made editorial changes to improve consistent use of the terms
success criteria/criterion
, web
, website
, and web page
Changes since the W3C Recommendation of 05 June 2018: