Consola de desarrollador: prueba de origen de Microsoft Edge

Experimenta de forma segura durante un período de tiempo determinado y envía comentarios sobre las nuevas características de plataforma con las pruebas de origen de Microsoft Edge

Microsoft PARAKEET Polyfill Testing

To enable the evaluation of PARAKEET by interested parties, we have created a Javascript based implementation built on top of existing web technologies. This polyfill will give developers early and frequent access to test the latest API shape and ergonomics for PARAKEET with test & prod data traffic while also allowing us to iterate quickly and address any changes needed prior to making this a part of the web platform natively.
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xHE-AAC Support for Edge on Windows

The MsMediaFoundationXHeAac origin trial allows web sites to use MediaSource.isTypeSupported to query the supportability of xHE-AAC audio mimeType by the user agent. If xHE-AAC audio decoding is supported, the user agent can only support the playback of xHE-AAC encoded audio through the MSE/EME protected media path.
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Trust Tokens API

This is a new API for propagating a notion of user authenticity across sites, without using cross-site persistent identifiers like third party cookies.
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HTML 'focusgroup' Attribute

This experimental attribute provides a grouping mechanism for a set of child focusable elements, and automatically enables arrow-key navigation among them. Focusgroups can be configured with a variety of options to suit particular layouts, and can be linked together to form hierarchies for non-trivial UI components. We are seeking feedback on the utility of the feature set, the ease of integration with web components (and Shadow DOM in particular), and any additional functionality you feel may be missing. Additional features are described in the explainer and will be made available during Origin Trial.
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Unique Device Id for PointerEvents

As devices with advanced pen input capabilities are becoming increasingly prevalent, it is important that the web platform continues to evolve to fully support these advanced features in order to unlock rich experiences for both end users and developers.
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