No new hooks added in 7.7.1 Below are recently added.

    jetpack_instant_search_options

    hook (filter): Customize Instant Search Options.

    Source: modules/search/class.jetpack-search.php:221

    jetpack_widget_authors_params

    hook (filter): Filter the parameters of `get_users` call in the Widget Authors widget. View Example

    Source: modules/widgets/authors.php:106

    jetpack_event_log

    hook (action): Fired when we want to log an event to the Jetpack event log.

    Source: packages/connection/legacy/class.jetpack-xmlrpc-server.php:810

    jetpack_site_registered_user_token

    hook (action): Fires when a user token is sent along with the registration data.

    Source: packages/connection/src/Manager.php:823

    jetpack_register_request_body

    hook (filter): Filters the request body for additional property addition.

    Source: packages/connection/src/Manager.php:727

    jetpack_signature_check_token

    hook (filter): Action for additional token checking.

    Source: packages/connection/src/Manager.php:451

    a8c_disable_full_site_editing

    hook (filter): Allow disabling Full Site Editing, even when the FSE plugin is active.

    Source: sal/class.json-api-site-jetpack.php:214

    jetpack_sync_whitelisted_comment_types

    hook (filter): Comment types present in this list will sync their status changes to WordPress.com.

    Source: packages/sync/src/modules/Comments.php:174

    jetpack_verify_api_authorization_request_error_double_encode

    hook (action): Jetpack authorisation request Error.

    Source: class.jetpack.php:5688

    jetpack_verify_signature_error

    hook (action): Action for logging XMLRPC signature verification errors. This data is sensitive.<p>Error codes:</p> <ul> <li>malformed_token</li> <li>malformed_user_id</li> <li>unknown_token</li> <li>could_not_sign</li> <li>invalid_nonce</li> <li>signature_mismatch</li> </ul>

    Source: packages/connection/src/Manager.php:298