The Timed Text Working Group invites implementations of an updated Candidate Recommendation of TTML Profiles for Internet Media Subtitles and Captions 1.1. This specification defines two profiles of [ttml2-20180628]: a text-only profile and an image-only profile. These profiles are intended to be used across subtitle and caption delivery applications worldwide, thereby simplifying interoperability, consistent rendering and conversion to other subtitling and captioning formats. This specification improves on [ttml-imsc1.0.1] by supporting contemporary practices, while retaining compatibility with [ttml-imsc1.0.1] documents. Relative to [ttml-imsc1.0.1], any addition or deprecation of features are summarized at Appendix L. Summary of substantive changes (non-normative).

The Accessible Rich Internet Applications Working Group has published an updated Working Group Note of WAI-ARIA Authoring Practices 1.1. WAI-ARIA Authoring Practices 1.1 was previously published as a Working Group Note in December 2017, to accompany the WAI-ARIA 1.1 Recommendation. Since then, the group has added an additional design pattern and examples, and improved the quality of many of the other design patterns and examples, to improve the support for WAI-ARIA 1.1. Separately, as recently announced, WAI-ARIA Authoring Practices 1.2 is under development, which includes the improvements in this document plus additional features specific to WAI-ARIA 1.2. Each version of WAI-ARIA Authoring Practices is specific to the corresponding version of WAI-ARIA. Read about the Accessible Rich Internet Applications Working Group and the Web Accessibility Initiative (WAI).