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WordPress 4.9.8 is now available. This maintenance release fixes 46 bugs.
Download WordPress 4.9.8 or visit Dashboard → Updates and click “Update Now”. Sites that support automatic background updates are already beginning to update automatically.
Thank you to everyone who contributed to WordPress 4.9.8:
1naveengiri, Aaron D. Campbell, Aaron Jorbin, Abdullah Ramzan, alejandroxlopez, Allen Snook, Andrea Fercia, Andrew Ozz, Andrew Taylor, Arun, Ayesh Karunaratne, Birgir Erlendsson (birgire), Birgit Pauli-Haack, BjornW, Boone Gorges, Brandon Kraft, Burhan Nasir, Chetan Prajapati, Chris Lema, Corey McKrill, Daniel Bachhuber, Daniel James, David Herrera, Dion Hulse, Dominik Schilling (ocean90), dontstealmyfish, dyrer, Felipe Elia, Felix Arntz, Fernando Claussen, Gareth, Garrett Hyder, Gary Pendergast, Gennady Kovshenin, GM_Alex, Heather Burns, Ian Dunn, ibelanger, imath, Jb Audras, Jeremy Pry, JJJ, Joe McGill, Joen Asmussen, John Blackbourn, Jonathan Desrosiers, Jonny Harris, Josepha, JoshuaWold, Joy, jrf, K. Adam White, khaihong, kjellr, Konstantinos Xenos, laurelfulford, lbenicio, Leander Iversen, leemon, macbookandrew, Marius L. J., Matias Ventura, Mel Choyce, mensmaximus, mermel, metalandcoffee, michelleweber, Milan Dinić, Muhammad Kashif, Naoko Takano, Nathan Johnson, Ov3rfly, palmiak, Paul Biron, Prashant Baldha, PressTigers, programmin, Rafsun Chowdhury, redcastor, Robin Cornett, Sergey Biryukov, Simon Prosser, skoldin, spyderbytes, Subrata Sarkar, Sébastien SERRE, Tammie Lister, tharsheblows, Thomas Patrick Levy, timbowesohft, Timothy Jacobs, Tobias Zimpel, Tor-Bjorn Fjellner, Towhidul Islam, Usman Khalid, warmlaundry, William Earnhardt, Yui, and YuriV.
The primary focuses of 4.9.8 are:
Most users will now be presented with a notice in their WordPress dashboard. This “Try Gutenberg” is an opportunity for users to use the Gutenberg block editor before it is released in WordPress 5.0.
You can learn more by reading the “Try Gutenberg” Callout in WordPress 4.9.8 post. It contains information about the callout, including which users will, by default, be shown the callout and the hooks it provides for site administrators to modify that default behavior.
This release includes 18 Privacy fixes focused on ensuring consistency and flexibility in the new personal data tools that were added in 4.9.6, including:
In addition to the primary focuses another notable change in 4.9.8 is that developers can now register meta keys for object subtypes:
With WordPress 4.9.8, the
register_meta()function supports registration of metadata not only for an entire object type (posts, terms, comments, users), but also for a specific object subtype (such as a specific post type or taxonomy).
See the full list of closed tickets in Trac.
_wp_privacy_requests_screen_options()
source file: wp-admin/includes/user.php
_wp_privacy_settings_filter_draft_page_titles()
source file: wp-admin/includes/misc.php
get_object_subtype()
source file: wp-includes/meta.php
register_post_meta()
source file: wp-includes/post.php
register_term_meta()
source file: wp-includes/taxonomy.php
unregister_post_meta()
source file: wp-includes/post.php
unregister_term_meta()
source file: wp-includes/taxonomy.php
wp_ajax_update_try_gutenberg_panel()
source file: wp-admin/includes/ajax-actions.php
wp_try_gutenberg_panel()
source file: wp-admin/includes/dashboard.php
add_inline_data
source file: wp-admin/includes/template.php
auth_{$object_type}_meta_{$meta_key}_for_{$object_subtype}
source file: wp-includes/capabilities.php
get_object_subtype_{$object_type}
source file: wp-includes/meta.php
sanitize_{$object_type}_meta_{$meta_key}_for_{$object_subtype}
source file: wp-includes/meta.php
try_gutenberg_learn_more_link
source file: wp-admin/includes/dashboard.php
try_gutenberg_panel
source file: wp-admin/index.php
user_erasure_complete_email_subject
source file: wp-includes/user.php
user_request_confirmed_email_subject
source file: wp-includes/user.php
WP_REST_Attachments_Controller::check_upload_size()
source file: wp-includes/rest-api/endpoints/class-wp-rest-attachments-controller.php
WP_REST_Comment_Meta_Fields::get_meta_subtype()
source file: wp-includes/rest-api/fields/class-wp-rest-comment-meta-fields.php
WP_REST_Meta_Fields::get_meta_subtype()
source file: wp-includes/rest-api/fields/class-wp-rest-meta-fields.php
WP_REST_Post_Meta_Fields::get_meta_subtype()
source file: wp-includes/rest-api/fields/class-wp-rest-post-meta-fields.php
WP_REST_Posts_Controller::get_available_actions()
source file: wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php
WP_REST_Posts_Controller::get_schema_links()
source file: wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php
WP_REST_Term_Meta_Fields::get_meta_subtype()
source file: wp-includes/rest-api/fields/class-wp-rest-term-meta-fields.php
WP_REST_User_Meta_Fields::get_meta_subtype()
source file: wp-includes/rest-api/fields/class-wp-rest-user-meta-fields.php
WP_Term_Query::populate_terms()
source file: wp-includes/class-wp-term-query.php
get_registered_meta_keys()
modification: The $object_subtype parameter was added.
source file: wp-includes/meta.php
register_meta()
modification: The $object_subtype argument was added to the arguments array.
source file: wp-includes/meta.php
registered_meta_key_exists()
modification: The $object_subtype parameter was added.
source file: wp-includes/meta.php
sanitize_meta()
modification: The $object_subtype parameter was added.
source file: wp-includes/meta.php
unregister_meta_key()
modification: The $object_subtype parameter was added.
source file: wp-includes/meta.php
auth_{$object_type}_{$object_subtype}_meta_{$meta_key}unregister_meta_key()
alternative: Use auth_{$object_type}_meta_{$meta_key}_for_{$object_subtype} instead.
source file: wp-includes/capabilities.php
