No new hooks added in 10.5.1 Below are recently added.

    jetpack_sso_disallowed_staging_notice

    hook (filter): Filters the disallowed notice for staging sites attempting SSO.

    Related to Modules:
    Source: modules/sso/class.jetpack-sso-notices.php:230

    jetpack_sso_unknown_user_notice

    hook (filter): Filters the "couldn't find your account" notice after an attempted SSO.

    Related to Modules:
    Source: modules/sso/class.jetpack-sso-notices.php:199

    jetpack_identity_crisis_ui_init

    hook (action): Action called after initializing Identity Crisis UI.

    Source: jetpack_vendor/automattic/jetpack-identity-crisis/src/class-ui.php:33

    jetpack_i18n_state

    hook (filter): Filters the i18n state data for use by Webpack bundles built with `@automattic/i18n-loader-webpack-plugin`.

    Source: jetpack_vendor/automattic/jetpack-assets/src/class-assets.php:469

    jetpack_remote_request_url

    hook (filter): Filters the remote request url.

    Source: jetpack_vendor/automattic/jetpack-connection/src/class-client.php:34

    jetpack_deactivate_module_-selfjetpack_search_module_slug

    hook (action): Fires when a module is deactivated.<p>The dynamic part of the filter, $module, is the module slug.</p>

    Source: jetpack_vendor/automattic/jetpack-search/src/class-module-control.php:150

    jetpack_activate_module_-selfjetpack_search_module_slug

    hook (action): Fires when a module is deactivated.<p>The dynamic part of the filter, $module, is the module slug.</p>

    Source: jetpack_vendor/automattic/jetpack-search/src/class-module-control.php:110

    jetpack_partner_coupon_supported_presets

    hook (filter): Allow external code to add additional supported presets.

    Source: jetpack_vendor/automattic/jetpack-partner/src/class-partner-coupon.php:321

    jetpack_partner_coupon_supported_partners

    hook (filter): Allow external code to add additional supported partners.

    Source: jetpack_vendor/automattic/jetpack-partner/src/class-partner-coupon.php:304

    jetpack_partner_coupon_products

    hook (filter): Allow for plugins to register supported products.

    Source: jetpack_vendor/automattic/jetpack-partner/src/class-partner-coupon.php:235