Filter the list of known importers.
jetpack_sync_known_importers
jetpack_sync_known_importersjetpack_sync_known_importersFilter the list of known importers.
jetpack_json_manage_api_enabledFilter to disallow JSON API requests to the site. Setting to false disallows you to manage your site remotely from WordPress.com and disallows plugin auto-updates.
jetpack_password_checker_testsFilters Jetpack’s password strength enforcement settings. You can determine the tests run and their order based on whatever criteria you wish to specify.
jetpack_password_checker_minimum_entropy_bitsFilters Jetpack’s password strength enforcement settings. You can modify the minimum entropy bits requirement using this filter.
jetpack_password_checker_restricted_stringsFilters Jetpack’s password strength enforcement settings. You can supply your own passwords that should not be used for authenticating in addition to weak and easy to guess strings for each user. For example, you can add passwords from known password databases to avoid compromised password usage.
wp_update_php_urlFilters the URL to learn more about updating the PHP version the site is running on.Providing an empty string is not allowed and will result in the default URL being used. Furthermore the page the URL links to should preferably be localized in the site language.
rest_api_thumbnail_size_urlsFilter the thumbnail URLs for attachment files.
jetpack_connection_tests_loadedFires after loading default Jetpack Connection tests.
jetpack_business_hours_contentAllows folks to filter the HTML content for the Business Hours block
jetpack_photon_noresize_modeAllow Photon to disable uploaded images resizing and use its own resize capabilities instead.