Filters is_development_site check.
jetpack_is_development_site
jetpack_is_development_site-
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filter jetpack_is_in_safe_modeFilters in_safe_mode check.
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filter jetpack_seo_custom_field_post_typesFilter the list of post types for which custom fields support is added. This filter allows modification of the post types that will be processed to add support for custom fields if they do not already support it.
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filter jetpack_likes_iframe_srcFilters the Likes iframe src, if any parameters need to be overridden or tracked.
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filter jetpack_blaze_post_row_actions_enableAllow third-party plugins to disable Blaze row actions.
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filter jetpack_opentable_block_urlFilter the OpenTable URL used to embed a widget.
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filter wpcom_api_pre_get_active_blog_authorAllow customizing the blog ID returned with the author in WordPress.com REST API queries.
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filter likes_new_layoutEnable an alternate Likes layout.
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filter jetpack_search_classic_search_enabledFilter whether classic search should be enabled. By this stage, search module would be enabled already.
Jetpack Developer Resources 