No new hooks added in 9.0.2 Below are recently added.

    jetpack_is_frontend

    hook (filter): Filter whether the current request is for accessing the frontend.

    Source: functions.global.php:518

    jetpack_instagram_embed_token

    hook (filter): Filters the Instagram embed token that is used for querying the Facebook API.<p>When this token is set, requests are not proxied through the WordPress.com API. Instead, a request is made directly to the Facebook API to query for information about the embed which should provide a performance benefit.</p>

    Source: modules/shortcodes/instagram.php:218

    jetpack_amp_infinite_next_page_data

    hook (filter): The next page settings.<p>An array containing:</p> <ul> <li>title => The title to be featured on the browser tab.</li> <li>url => The URL of next page.</li> <li>image => The image URL. A required AMP setting, not in use currently. Themes are welcome to leverage.</li> </ul>

    Source: modules/infinite-scroll/infinity.php:1965

    jetpack_amp_infinite_older_posts

    hook (filter): AMP infinite scroll older posts markup.

    Source: modules/infinite-scroll/infinity.php:1911

    jetpack_amp_infinite_separator

    hook (filter): AMP infinite scroll separator.

    Source: modules/infinite-scroll/infinity.php:1893

    jetpack_amp_infinite_output

    hook (filter): Filter the output buffer.<p>Themes can leverage this hook to add custom markup on next page load.</p>

    Source: modules/infinite-scroll/infinity.php:1830

    jetpack_amp_infinite_footers

    hook (filter): Get the theme footers.

    Source: modules/infinite-scroll/infinity.php:1818

    jetpack_connection_nonce_cleanup_runtime_limit

    hook (filter): Adjust the number of old nonces that are cleaned up at shutdown.

    Source: vendor/automattic/jetpack-connection/src/class-nonce-handler.php:140

    jetpack_connection_add_nonce_cleanup

    hook (filter): Use the filter to disable the nonce cleanup that happens at shutdown after adding a new nonce.

    Source: vendor/automattic/jetpack-connection/src/class-nonce-handler.php:84

    jetpack_reconnection_completed

    hook (action): Action fired when reconnection has completed successfully.

    Source: vendor/automattic/jetpack-connection/src/class-rest-connector.php:277