2021年2月3日，WordPress 5.6.1正式公开发布。
安装及升级信息
如需下载WordPress 5.6.1，请通过您网站管理界面的仪表盘→更新菜单进行自动更新，或访问版本发布页面。
如需查阅安装及升级WordPress的分步教程，请参阅《更新WordPress》。
如果您是WordPress新手，请先阅读以下内容：
亮点速览
维护更新
本维护版本修复了20个核心程序错误及7个有关区块编辑器的问题。这些错误影响了WordPress 5.6版本。
根据Trac工单系统记录，WordPress核心程序更改如下（译注：工单标题保持原文，下同）：
- #51056: Fetch_feed parsing of permalinks triggers simplepie preg_match warnings
- #52327: Requested updates to the PHP Update Alert
- #51940: The schema for the taxonomy property of a term in the REST API should not include all taxonomies
- #51980: App Passwords: ‘Add New Application Password’ submit button is hidden on mobile devices in ‘User Profile’ page
- #51995: WordPress 5.6: Classic editor menu is not sticky
- #52003: Undefined index: PHP_AUTH_PW /wp-includes/user.php on line 469
- #52013: Duplicate wp_authorize_application_password_form actions
- #52030: Media metaboxes return fatal error if no author metadata present
- #52038: Issue in WooCommerce with wp_editor() after update to WP 5.6
- #52046: The Distraction Free Writing setting on the old Edit Post screen may be reset after page reload
- #52065: Media gallery: ‘Align’ and ‘Link To’ fields missing from ‘Insert from URL’
- #52066: Application Passwords are unusable in combination with password protected /wp-admin
- #52075: Word Count on Classic Editor doesn’t update in real time on Firefox unless saved
- #52097: Site Health Loopback Test doesn’t send admin cookies
- #52135: False positive on `WP_Site_Health_Auto_Updates`
- #52196: wp_get_attachment_metadata() is broken if no first argument is passed in.
- #52205: REST API: Plugins Controller single plugin route fatal errors on multisite
- #52299: Exported user data can be listed with directory listing
- #52351: missing echo function for translate method
- #52391: Gutenberg Updates for 5.6.1
根据GitHub记载，区块编辑器更改如下：
- #27970: Fix editor crash when registering a block pattern without categories
- #27733: Embed block: Add html and reusable support back
- #27727: Add aria labels to box control component inputs/button
- #27627: HTML Block: Fix editor styles
- #27526: Core Data: Normalize _fields value for use in stableKey
- #26705: Fix: Font size picker does not correctly handles big font sizes.
- #26432: Edit Site: prevent inserter overscroll
欲知更多详情，请参见Trac工单系统中列出的更改列表。
文件更新清单
wp-admin/authorize-application.php wp-admin/css/forms.css wp-admin/includes/class-wp-site-health-auto-updates.php wp-admin/includes/class-wp-site-health.php wp-admin/includes/dashboard.php wp-admin/includes/media.php wp-admin/includes/privacy-tools.php wp-admin/user-edit.php wp-content/themes/twentynineteen/images wp-content/themes/twentynineteen/images/pattern_01.jpg wp-content/themes/twentynineteen/images/pattern_02.jpg wp-content/themes/twentynineteen/images/pattern_03.jpg wp-content/themes/twentynineteen/images/pattern_04.jpg wp-content/themes/twentynineteen/package-lock.json wp-content/themes/twentynineteen/package.json wp-content/themes/twentynineteen/readme.txt wp-content/themes/twentynineteen/style-rtl.css wp-content/themes/twentynineteen/style.css wp-content/themes/twentynineteen/style.scss wp-content/themes/twentytwenty/package-lock.json wp-content/themes/twentytwentyone/404.php wp-content/themes/twentytwentyone/archive.php wp-content/themes/twentytwentyone/assets/css/ie-editor.css wp-content/themes/twentytwentyone/assets/css/ie.css wp-content/themes/twentytwentyone/assets/css/style-dark-mode-rtl.css wp-content/themes/twentytwentyone/assets/css/style-dark-mode.css wp-content/themes/twentytwentyone/assets/css/style-editor.css wp-content/themes/twentytwentyone/assets/js/editor-dark-mode-support.js wp-content/themes/twentytwentyone/assets/js/primary-navigation.js wp-content/themes/twentytwentyone/assets/js/responsive-embeds.js wp-content/themes/twentytwentyone/assets/sass/01-settings/file-header.scss wp-content/themes/twentytwentyone/assets/sass/02-tools/functions.scss wp-content/themes/twentytwentyone/assets/sass/03-generic/breakpoints.scss wp-content/themes/twentytwentyone/assets/sass/03-generic/vertical-margins.scss wp-content/themes/twentytwentyone/assets/sass/04-elements/forms.scss wp-content/themes/twentytwentyone/assets/sass/05-blocks/code/_style.scss wp-content/themes/twentytwentyone/assets/sass/05-blocks/table/_editor.scss wp-content/themes/twentytwentyone/assets/sass/05-blocks/table/_style.scss wp-content/themes/twentytwentyone/assets/sass/06-components/entry.scss wp-content/themes/twentytwentyone/assets/sass/style-dark-mode.scss wp-content/themes/twentytwentyone/assets/sass/style.scss wp-content/themes/twentytwentyone/classes/class-twenty-twenty-one-custom-colors.php wp-content/themes/twentytwentyone/classes/class-twenty-twenty-one-customize-color-control.php wp-content/themes/twentytwentyone/classes/class-twenty-twenty-one-customize-notice-control.php wp-content/themes/twentytwentyone/classes/class-twenty-twenty-one-customize.php wp-content/themes/twentytwentyone/classes/class-twenty-twenty-one-dark-mode.php wp-content/themes/twentytwentyone/classes/class-twenty-twenty-one-svg-icons.php wp-content/themes/twentytwentyone/comments.php wp-content/themes/twentytwentyone/footer.php wp-content/themes/twentytwentyone/functions.php wp-content/themes/twentytwentyone/header.php wp-content/themes/twentytwentyone/image.php wp-content/themes/twentytwentyone/inc/back-compat.php wp-content/themes/twentytwentyone/inc/block-patterns.php wp-content/themes/twentytwentyone/inc/block-styles.php wp-content/themes/twentytwentyone/inc/custom-css.php wp-content/themes/twentytwentyone/inc/menu-functions.php wp-content/themes/twentytwentyone/inc/starter-content.php wp-content/themes/twentytwentyone/inc/template-functions.php wp-content/themes/twentytwentyone/inc/template-tags.php wp-content/themes/twentytwentyone/index.php wp-content/themes/twentytwentyone/package-lock.json wp-content/themes/twentytwentyone/package.json wp-content/themes/twentytwentyone/page.php wp-content/themes/twentytwentyone/postcss.config.js wp-content/themes/twentytwentyone/readme.txt wp-content/themes/twentytwentyone/search.php wp-content/themes/twentytwentyone/searchform.php wp-content/themes/twentytwentyone/single.php wp-content/themes/twentytwentyone/style-rtl.css wp-content/themes/twentytwentyone/style.css wp-content/themes/twentytwentyone/template-parts/content/content-excerpt.php wp-content/themes/twentytwentyone/template-parts/content/content-none.php wp-content/themes/twentytwentyone/template-parts/content/content-page.php wp-content/themes/twentytwentyone/template-parts/content/content-single.php wp-content/themes/twentytwentyone/template-parts/content/content.php wp-content/themes/twentytwentyone/template-parts/excerpt/excerpt-aside.php wp-content/themes/twentytwentyone/template-parts/excerpt/excerpt-audio.php wp-content/themes/twentytwentyone/template-parts/excerpt/excerpt-chat.php wp-content/themes/twentytwentyone/template-parts/excerpt/excerpt-gallery.php wp-content/themes/twentytwentyone/template-parts/excerpt/excerpt-image.php wp-content/themes/twentytwentyone/template-parts/excerpt/excerpt-link.php wp-content/themes/twentytwentyone/template-parts/excerpt/excerpt-quote.php wp-content/themes/twentytwentyone/template-parts/excerpt/excerpt-status.php wp-content/themes/twentytwentyone/template-parts/excerpt/excerpt-video.php wp-content/themes/twentytwentyone/template-parts/excerpt/excerpt.php wp-content/themes/twentytwentyone/template-parts/footer/footer-widgets.php wp-content/themes/twentytwentyone/template-parts/header/entry-header.php wp-content/themes/twentytwentyone/template-parts/header/excerpt-header.php wp-content/themes/twentytwentyone/template-parts/header/site-branding.php wp-content/themes/twentytwentyone/template-parts/header/site-header.php wp-content/themes/twentytwentyone/template-parts/header/site-nav.php wp-content/themes/twentytwentyone/template-parts/post/author-bio.php wp-includes/assets/script-loader-packages.php wp-includes/blocks/embed/block.json wp-includes/class-wp-simplepie-file.php wp-includes/functions.php wp-includes/load.php wp-includes/media-template.php wp-includes/media.php wp-includes/post.php wp-includes/rest-api/endpoints/class-wp-rest-plugins-controller.php wp-includes/rest-api/endpoints/class-wp-rest-terms-controller.php wp-includes/user.php wp-includes/version.php package-lock.json package.json js/_enqueues/admin/auth-app.js js/_enqueues/admin/post.js js/_enqueues/vendor/tinymce/plugins/wordpress/plugin.js js/_enqueues/wp/autosave.js
包更新清单
@wordpress/block-directory@1.17.7 @wordpress/block-editor@5.1.6 @wordpress/block-library@2.26.7 @wordpress/components@11.1.4 @wordpress/core-data@2.24.3 @wordpress/edit-post@3.25.7 @wordpress/edit-site@1.15.7 @wordpress/edit-widgets@1.1.7 @wordpress/editor@9.24.6 @wordpress/format-library@1.25.6 @wordpress/interface@0.10.7 @wordpress/list-reusable-blocks@1.24.4 @wordpress/nux@3.23.4 @wordpress/reusable-blocks@1.0.6 @wordpress/server-side-render@1.19.4