No new hooks added in 6.5 Below are recently added.

    jetpack_disable_eu_cookie_law_widget

    hook (filter): Filters the display of the EU Cookie Law widget. View Example

    Source: modules/widgets/eu-cookie-law.php:140

    jetpack_lazy_images_skip_image_with_atttributes

    hook (filter): Allow plugins and themes to conditionally skip processing an image via its attributes.

    Source: modules/lazy-images/lazy-images.php:213

    jetpack_lazy_images_blacklisted_classes

    hook (filter): Allow plugins and themes to tell lazy images to skip an image with a given class.

    Source: modules/lazy-images/lazy-images.php:139

    infinite_scroll_render_callbacks

    hook (filter): Gather renderer callbacks. These will be called in order and allow multiple callbacks to be queued. Once content is found, no futher callbacks will run.

    Source: modules/infinite-scroll/infinity.php:1268

    infinite_scroll_posts_per_page

    hook (filter): Filter the number of posts per page.

    Source: modules/infinite-scroll/infinity.php:265

    wordads_ads_txt

    hook (filter): Provide plugins a way of modifying the contents of the automatically-generated ads.txt file. View Example

    Source: modules/wordads/wordads.php:115

    jetpack_honor_dnt_header_for_stats

    hook (filter): Filter the option which decides honor DNT or not.

    Source: modules/stats.php:107

    jetpack_daily_akismet_meta_cleanup_after

    hook (action): Fires right after deleting the _feedback_akismet_values post meta on $feedback_ids

    Source: modules/contact-form/grunion-contact-form.php:85

    jetpack_daily_akismet_meta_cleanup_before

    hook (action): Fires right before deleting the _feedback_akismet_values post meta on $feedback_ids

    Source: modules/contact-form/grunion-contact-form.php:71

    jetpack_sso_auth_cookie_expiration

    hook (filter): Determines how long the auth cookie is valid for when a user logs in with SSO.

    Source: modules/sso/class.jetpack-sso-helpers.php:257