Backfill 2021 release notes

source/releasenotes/2021-01-01-documentation.md

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+---
+title: Documentation
+published_date: "2021-01-01"
+categories: [documentation]
+---
+**New:** [Debug Caching Issues](/debug-cache) - New troubleshooting guide to assist in resolving cache conflicts.

source/releasenotes/2021-01-01-drupal-8-9-11.md

@@ -0,0 +1,6 @@
+---
+title: Drupal 8.9.11
+published_date: "2021-01-01"
+categories: []
+---
+[Drupal 8.9.11](https://www.drupal.org/project/drupal/releases/8.9.11) is now available on the Pantheon platform. Detailed information on applying and debugging core updates can be found in the [Core Updates documentation](/core-updates). For more information, see the [Drupal 8.9.11](https://www.drupal.org/project/drupal/releases/8.9.11) release notes.

source/releasenotes/2021-01-01-drupal-9-with-one-click-composer-updates.md

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+---
+title: Drupal 9 with One-click Composer Updates
+published_date: "2021-01-01"
+categories: []
+---
+You can now create and launch Drupal 9 sites on Pantheon with [Integrated Composer](/guides/integrated-composer), now in Limited Availability. Composer is completely integrated, so you can keep your sites up-to-date with one click. For more information, see the [Drupal 9](/drupal) documentation.

source/releasenotes/2021-01-01-wordpress-5-6.md

@@ -0,0 +1,6 @@
+---
+title: WordPress 5.6
+published_date: "2021-01-01"
+categories: []
+---
+[WordPress 5.6](https://wordpress.org/news/2020/12/simone/) is now available on the Pantheon platform. Detailed information on applying and debugging core updates can be found in the [Core Updates documentation](/core-updates).

source/releasenotes/2021-02-01-documentation.md

@@ -0,0 +1,6 @@
+---
+title: Documentation
+published_date: "2021-02-01"
+categories: [documentation]
+---
+With the release of [Terminus 2.5](/terminus), the Pantheon Documentation team has updated the Terminus manual to include a refreshed End of Life timeline, changelog, and command reference page.

source/releasenotes/2021-02-01-drupal-7-78.md

@@ -0,0 +1,6 @@
+---
+title: Drupal 7.78
+published_date: "2021-02-01"
+categories: []
+---
+[Drupal 7.78](https://www.drupal.org/project/drupal/releases/7.78) is now available on the Pantheon platform. This release fixes security vulnerabilities, and users are urged to upgrade their sites immediately. Detailed information on applying and debugging core updates can be found in the [Core Updates documentation](/core-updates). For more information, see the [Drupal 7.78](https://www.drupal.org/project/drupal/releases/7.78) release notes.

source/releasenotes/2021-02-01-drupal-8-9-13.md

@@ -0,0 +1,6 @@
+---
+title: Drupal 8.9.13
+published_date: "2021-02-01"
+categories: []
+---
+[Drupal 8.9.13](https://www.drupal.org/project/drupal/releases/8.9.13) is now available on the Pantheon platform. Detailed information on applying and debugging core updates can be found in the [Core Updates documentation](/core-updates). For more information, see the [Drupal 8.9.13](https://www.drupal.org/project/drupal/releases/8.9.13) release notes.

source/releasenotes/2021-02-01-drupal-9-with-one-click-composer-updates.md

@@ -0,0 +1,6 @@
+---
+title: Drupal 9 with One-click Composer Updates
+published_date: "2021-02-01"
+categories: []
+---
+You can now create and launch Drupal 9 sites on Pantheon, now in Limited Availability. Composer is completely integrated so you can keep your sites up-to-date with one click. For more information, see the [Drupal 9](/drupal) documentation.

source/releasenotes/2021-02-01-localdev-1-0-1.md

@@ -0,0 +1,6 @@
+---
+title: Localdev 1.0.1
+published_date: "2021-02-01"
+categories: []
+---
+[Localdev 1.0.1](/guides/local-development) improvements include updates to Lando, Composer, and Docker Desktop versions. Download [Localdev](/guides/local-development) today, and get the best of developing locally with the ability to perform critical development tasks, including editing files and code, and pushing changes to Pantheon right from your desktop.

source/releasenotes/2021-03-01-documentation.md

@@ -0,0 +1,6 @@
+---
+title: Documentation
+published_date: "2021-03-01"
+categories: [documentation]
+---
+[The New Pantheon Dashboard](/guides/new-dashboard) - A guide for the New Pantheon Dashboard introduces the Workspaces experience and new features like [Autopilot](/guides/autopilot).

source/releasenotes/2021-03-01-drupal-9-with-one-click-composer-updates.md

@@ -0,0 +1,6 @@
+---
+title: Drupal 9 with One-click Composer Updates
+published_date: "2021-03-01"
+categories: []
+---
+Create and launch [Drupal 9](/drupal) sites on Pantheon with [Integrated Composer](/guides/integrated-composer/one-click-updates). Keep your Drupal 9 repository lean, avoid build artifacts on the main branch, and keep the one-click updates for both upstream commits & Composer dependencies that you have come to know and love with Pantheon.

source/releasenotes/2021-03-01-wordpress-5-6-1.md

@@ -0,0 +1,6 @@
+---
+title: WordPress 5.6.1
+published_date: "2021-03-01"
+categories: []
+---
+[WordPress 5.6.1](https://wordpress.org/support/wordpress-version/version-5-6-1/#summary) is now available on the Pantheon platform. Detailed information on applying and debugging core updates can be found in the [Core Updates documentation](/core-updates). For more information, see the [WordPress 5.6.1](https://wordpress.org/support/wordpress-version/version-5-6-1/#summary) release notes.

source/releasenotes/2021-04-01-convert-your-drupal-8-pantheon-site-to-drupal-9-with-integrated-composer.md

@@ -0,0 +1,6 @@
+---
+title: Convert Your Drupal 8 Pantheon Site to Drupal 9 With Integrated Composer
+published_date: "2021-04-01"
+categories: []
+---
+Convert your Pantheon-hosted Drupal 8 sites to Drupal 9 with Integrated Composer, using the [Drupal 8 to 9 Conversion Guide](/guides/drupal-hosted). [Integrated Composer](/guides/integrated-composer) helps keep your Drupal 9 repository lean, avoid build artifacts on the main branch, and keep the one-click updates for both upstream commits & Composer dependencies that you have come to know and love with Pantheon.

source/releasenotes/2021-04-01-documentation.md

@@ -0,0 +1,6 @@
+---
+title: Documentation
+published_date: "2021-04-01"
+categories: [documentation]
+---
+[Drupal 9 Migration Guide](/drupal-migration) - Guided and manual migration steps to upgrade and migrate existing Drupal sites to Drupal 9 with Integrated Composer.

source/releasenotes/2021-04-01-wordpress-5-7.md

@@ -0,0 +1,6 @@
+---
+title: WordPress 5.7
+published_date: "2021-04-01"
+categories: []
+---
+[WordPress 5.7](https://wordpress.org/news/2021/03/wordpress-5-7-esperanza/) is now available on the Pantheon platform. Detailed information on applying and debugging core updates can be found in the [Core Updates documentation](/core-updates). For more information, see the [WordPress 5.7](https://wordpress.org/news/2021/03/wordpress-5-7-esperanza/) release notes.

source/releasenotes/2021-05-01-documentation.md

@@ -0,0 +1,6 @@
+---
+title: Documentation
+published_date: "2021-05-01"
+categories: [documentation]
+---
+[Upgrade from Drupal 8 to Drupal 9 with Integrated Composer](/guides/drupal-hosted-md) - Convert a Drupal 8 site to a Drupal 9 site managed with Integrated Composer. If you have more questions about switching to Drupal 9, stop by our [Thursday office hours](https://pantheon.io/developers/office-hours).

source/releasenotes/2021-05-01-drupal-7-80.md

@@ -0,0 +1,6 @@
+---
+title: Drupal 7.80
+published_date: "2021-05-01"
+categories: []
+---
+[Drupal 7.80](https://www.drupal.org/project/drupal/releases/7.80) is now available on the Pantheon platform. This release fixes security vulnerabilities, and users are urged to upgrade their sites immediately. Detailed information on applying and debugging core updates can be found in the [Core Updates documentation](/core-updates) documentation. For more information, see the [Drupal 7.80](https://www.drupal.org/project/drupal/releases/7.80) release notes.

source/releasenotes/2021-05-01-drupal-8-9-14.md

@@ -0,0 +1,6 @@
+---
+title: Drupal 8.9.14
+published_date: "2021-05-01"
+categories: []
+---
+[Drupal 8.9.14](https://www.drupal.org/project/drupal/releases/8.9.14) is now available on the Pantheon platform. This release fixes security vulnerabilities, and users are urged to upgrade their sites immediately.  Detailed information on applying and debugging core updates can be found in the [Core Updates documentation](/core-updates) documentation. For more information, see the [Drupal 8.9.14](https://www.drupal.org/project/drupal/releases/8.9.14) release notes.

source/releasenotes/2021-05-01-drupal-9-1-7.md

@@ -0,0 +1,6 @@
+---
+title: Drupal 9.1.7
+published_date: "2021-05-01"
+categories: []
+---
+[Drupal 9.1.7](https://www.drupal.org/project/drupal/releases/9.1.7) is now available on the Pantheon platform. This release fixes security vulnerabilities, and users are urged to upgrade their sites immediately.  Detailed information on applying and debugging core updates can be found in the [Integrated Composer One-Click Updates](/guides/integrated-composer/one-click-updates) documentation. For more information, see the [Drupal 9.1.7](https://www.drupal.org/project/drupal/releases/9.1.7) release notes.

source/releasenotes/2021-05-01-wordpress-5-7-1.md

@@ -0,0 +1,6 @@
+---
+title: WordPress 5.7.1
+published_date: "2021-05-01"
+categories: []
+---
+[WordPress 5.7.1](https://wordpress.org/news/2021/04/wordpress-5-7-1-security-and-maintenance-release/) is now available on the Pantheon platform. This release fixes security vulnerabilities, and users are urged to upgrade their sites immediately. Detailed information on applying and debugging core updates can be found in the [Core Updates documentation](/core-updates) documentation. For more information, see the [WordPress 5.7.1](https://wordpress.org/news/2021/04/wordpress-5-7-1-security-and-maintenance-release/) release notes.

source/releasenotes/2021-06-01-documentation.md

@@ -0,0 +1,6 @@
+---
+title: Documentation
+published_date: "2021-06-01"
+categories: [documentation]
+---
+[Upgrade from Drupal 8 to Drupal 9 with Integrated Composer](/guides/drupal-hosted-md) - Convert a Drupal 8 site to a Drupal 9 site managed with Integrated Composer. If you have more questions about switching to Drupal 9, stop by our [Thursday office hours](https://pantheon.io/developers/office-hours).

source/releasenotes/2021-06-01-drupal-8-9-15.md

@@ -0,0 +1,6 @@
+---
+title: Drupal 8.9.15
+published_date: "2021-06-01"
+categories: []
+---
+[Drupal 8.9.15](https://www.drupal.org/project/drupal/releases/8.9.15) is now available on the Pantheon platform. Detailed information on applying and debugging core updates can be found in the [Core Updates documentation](/core-updates) documentation.

source/releasenotes/2021-06-01-drupal-9-1-8.md

@@ -0,0 +1,6 @@
+---
+title: Drupal 9.1.8
+published_date: "2021-06-01"
+categories: []
+---
+[Drupal 9.1.8](https://www.drupal.org/project/drupal/releases/9.1.8) is now available for production sites. [Drupal 9](/drupal) sites on Pantheon use [Integrated Composer](/guides/integrated-composer), enabling one-click core updates through the Dashboard. To check for available updates, click **Check Now** from the site Dashboard **Dev** tab.

source/releasenotes/2021-06-01-wordpress-5-7-2.md

@@ -0,0 +1,6 @@
+---
+title: WordPress 5.7.2
+published_date: "2021-06-01"
+categories: []
+---
+[WordPress 5.7.2](https://wordpress.org/news/2021/05/wordpress-5-7-2-security-release/) is now available on the Pantheon platform. This release fixes security vulnerabilities, and users are urged to upgrade their sites immediately. Detailed information on applying and debugging core updates can be found in the [Core Updates](/core-updates) documentation.

source/releasenotes/2021-06-01-wp-cli-2-5-0.md

@@ -0,0 +1,6 @@
+---
+title: WP-CLI 2.5.0
+published_date: "2021-06-01"
+categories: []
+---
+[WP-CLI 2.5.0](https://make.wordpress.org/cli/2021/05/19/wp-cli-v2-5-0-release-notes/) is now available. This release fixes security vulnerabilities, and users are urged to upgrade. For more information, see the [WP-CLI 2.5.0](https://make.wordpress.org/cli/2021/05/19/wp-cli-v2-5-0-release-notes/) release notes. Detailed information on using WP-CLI on the Pantheon Platform can be found in the [WP-CLI](/guides/wp-cli) documentation.

source/releasenotes/2021-07-01-documentation.md

@@ -0,0 +1,6 @@
+---
+title: Documentation
+published_date: "2021-07-01"
+categories: [documentation]
+---
+[Upgrade from Drupal 8 to Drupal 9 with Build Tools](/guides/drupal-hosted-createbt) - Build Tools connects Pantheon with your CI service and external Git provider. Users can now migrate from Drupal 8 to Drupal 9 with Build Tools. More information can be found in our [documentation](/drupal-migration).

source/releasenotes/2021-07-01-drupal-7-81.md

@@ -0,0 +1,6 @@
+---
+title: Drupal 7.81
+published_date: "2021-07-01"
+categories: []
+---
+[Drupal 7.81](https://github.com/pantheon-systems/drops-7/tags) is now available on the Pantheon platform. Pantheon is committed to providing Drupal 7 extended support for all customers through 2025, past Drupal 7’s end of life in 2022.

source/releasenotes/2021-07-01-drupal-8-9-16.md

@@ -0,0 +1,6 @@
+---
+title: Drupal 8.9.16
+published_date: "2021-07-01"
+categories: []
+---
+[Drupal 8.9.16](https://www.drupal.org/project/drupal/releases/8.9.16) is now available on the Pantheon platform. Detailed information on applying and debugging core updates can be found in the [Core Updates documentation](/core-updates).

source/releasenotes/2021-07-01-drupal-9-2-0.md

@@ -0,0 +1,6 @@
+---
+title: Drupal 9.2.0
+published_date: "2021-07-01"
+categories: []
+---
+[Drupal 9.2.0](https://www.drupal.org/project/drupal/releases/9.2.0) is now available for production sites. [Drupal 9](/drupal) sites on Pantheon use [Integrated Composer](/guides/integrated-composer), enabling one-click core updates through the Dashboard. To check for available updates, click **Check Now** from the site Dashboard **Dev** tab.

source/releasenotes/2021-07-01-wordpress-5-7-2.md

@@ -0,0 +1,6 @@
+---
+title: WordPress 5.7.2
+published_date: "2021-07-01"
+categories: []
+---
+[WordPress 5.7.2](https://wordpress.org/news/2021/05/wordpress-5-7-2-security-release/) is available on the Pantheon platform. This release fixes security vulnerabilities, and users are urged to upgrade their sites immediately. Detailed information on applying and debugging core updates can be found in the [Core Updates documentation](/core-updates).

source/releasenotes/2021-08-01-documentation.md

@@ -0,0 +1,8 @@
+---
+title: Documentation
+published_date: "2021-08-01"
+categories: [documentation]
+---
+[Autopilot](https://docs.pantheon.io/guides/autopilot) - Pantheon Autopilot has been released and is available to Gold, Platinum, and Diamond customers and partners.  Check it out today by logging in and trying out the [new Dashboard](https://docs.pantheon.io/guides/new-dashboard). Click **Try the New Dashboard** in the User or Organization Dashboard to access the new Dashboard; the option for a guided tour of the new Dashboard is provided upon logging in for the first time. Defaulting to either the existing or the new Dashboard can be managed through your personal settings. For more information please review [Autopilot documentation](https://docs.pantheon.io/guides/autopilot).
+
+[Weekly Email Notifications for Autopilot](https://docs.pantheon.io/guides/new-dashboard/personal-settings#autopilot-email-notifications) - You can opt-in to receive an Autopilot weekly email digest which includes a summary of updates and activity on a site. To start receiving these emails, specify your preferences in the Personal Settings section of your new Dashboard.

source/releasenotes/2021-08-01-drupal-7-82.md

@@ -0,0 +1,6 @@
+---
+title: Drupal 7.82
+published_date: "2021-08-01"
+categories: []
+---
+[Drupal 7.82](https://www.drupal.org/project/drupal/releases/7.82) is now available on the Pantheon platform. Pantheon is committed to providing Drupal 7 extended support for all customers through 2025, past Drupal 7’s end of life in 2022.

source/releasenotes/2021-08-01-drupal-8-9-17.md

@@ -0,0 +1,6 @@
+---
+title: Drupal 8.9.17
+published_date: "2021-08-01"
+categories: []
+---
+[Drupal 8.9.17](https://www.drupal.org/project/drupal/releases/8.9.17) is now available on the Pantheon platform. Detailed information on applying and debugging core updates can be found in the [Core Updates documentation](/core-updates).

source/releasenotes/2021-08-01-drupal-9-2-0.md

@@ -0,0 +1,8 @@
+---
+title: Drupal 9.2.0
+published_date: "2021-08-01"
+categories: []
+---
+[Drupal 9.2.2](https://www.drupal.org/project/drupal/releases/9.2.2) is now available for production sites. [Drupal 9](/drupal) sites on Pantheon use [Integrated Composer](/guides/integrated-composer), enabling one-click core updates through the Dashboard. To check for available updates, click **Check Now** from the site Dashboard **Dev** tab.
+
+Drupal 9.2.x will receive security coverage until June 15, 2022. Sites on 9.1.x or earlier should update to [Drupal 9.1.11](https://www.drupal.org/project/drupal/releases/9.1.11).

source/releasenotes/2021-08-01-wordpress-5-8.md

@@ -0,0 +1,6 @@
+---
+title: WordPress 5.8
+published_date: "2021-08-01"
+categories: []
+---
+[WordPress 5.8](https://wordpress.org/news/2021/07/tatum/)[News – Releases – WordPress.org](https://wordpress.org/news/category/releases/) is available on the Pantheon platform. This release fixes security vulnerabilities, and users are urged to upgrade their sites immediately. Detailed information on applying and debugging core updates can be found in the [Core Updates documentation](/core-updates).

source/releasenotes/2021-09-01-documentation.md

@@ -0,0 +1,10 @@
+---
+title: Documentation
+published_date: "2021-09-01"
+categories: [documentation]
+---
+[Autopilot](/guides/autopilot) - The Autopilot guide has been updated now that Autopilot is available for all users with Gold Accounts and higher.
+
+[Pantheon Disaster Recovery Playbook](/guides/disaster-recovery) - Address and troubleshoot emergency downtime situations on the Pantheon platform. The guide focuses on the immediate actions a Pantheon customer should take in the event of a catastrophic site failure.
+
+[Using Solr 8 on Drupal 9](/guides/solr-drupal/solr-drupal) - Pantheon Search with Solr 8 is currently available as part of our Early Access program. Pantheon Search derives from Apache Solr v8.8 and gives Drupal 9 web teams a high-performance search index integrated with [Integrated Composer's](/guides/integrated-composer/one-click-updates) easy one-click updates.

source/releasenotes/2021-09-01-drupal-7-82.md

@@ -0,0 +1,6 @@
+---
+title: Drupal 7.82
+published_date: "2021-09-01"
+categories: []
+---
+[Drupal 7.82](https://www.drupal.org/project/drupal/releases/7.82) is now available on the Pantheon platform. Pantheon is committed to providing Drupal 7 extended support for all customers through 2025, past Drupal 7’s end of life in 2022.

source/releasenotes/2021-09-01-drupal-8-9-18.md

@@ -0,0 +1,6 @@
+---
+title: Drupal 8.9.18
+published_date: "2021-09-01"
+categories: []
+---
+[Drupal 8.9.18](https://www.drupal.org/project/drupal/releases/8.9.18) is now available on the Pantheon platform. Detailed information on applying and debugging core updates can be found in the [Core Updates documentation](/core-updates).

source/releasenotes/2021-09-01-drupal-9-2-3.md

@@ -0,0 +1,8 @@
+---
+title: Drupal 9.2.3
+published_date: "2021-09-01"
+categories: []
+---
+[Drupal 9.2.3](https://www.drupal.org/project/drupal/releases/9.2.3) is now available for production sites. [Drupal 9](/drupal) sites on Pantheon use [Integrated Composer](/guides/integrated-composer), enabling one-click core updates through the Dashboard. To check for available updates, click **Check Now** from the Site Dashboard **Dev** tab.
+
+Drupal 9.2.x will receive security coverage until June 15, 2022. Sites on 9.1.x or earlier should update to [Drupal 9.1.11](https://www.drupal.org/project/drupal/releases/9.1.11).

source/releasenotes/2021-10-01-documentation.md

@@ -0,0 +1,10 @@
+---
+title: Documentation
+published_date: "2021-10-01"
+categories: [documentation]
+---
+[Autopilot](/guides/autopilot) - The Autopilot updater bot now scans a site’s homepage when initially enabled and automatically suggests 10 links that are important for VRT, allowing users to enable it for large site portfolios without having to manually create a test plan. You can also use the CMS update automation tool in the Dashboard to determine the estimated time your team has saved in Autopilot. For more information, refer to our [Autopilot documentation](https://docs.pantheon.io/guides/autopilot/enable-autopilot/#enable-autopilot).
+
+[Pantheon Global CDN](/guides/global-cdn) - The Global CDN now offers Experience Protection to provide continuous and uninterrupted site uptime. If your site experiences issues, whether it’s an infrastructure problem or an application error, the Global CDN now delivers cached content to visitors instead of displaying an error message. For more information, refer to our [Experience Protection documentation](/guides/global-cdn/#experience-protection).
+
+[Terminus](/terminus/updates) - The default branch name of the Terminus GitHub repository has changed from `master` to `2.x`. This change only impacts individuals with a local clone of the Terminus repository, such as Terminus contributors or plugin developers. Update the local clone of the branch to `2.x` as described in the [GitHub documentation](https://docs.github.com/en/repositories/configuring-branches-and-merges-in-your-repository/managing-branches-in-your-repository/renaming-a-branch#updating-a-local-clone-after-a-branch-name-changes) to avoid disruptions.

source/releasenotes/2021-10-01-drupal-8-9-19.md

@@ -0,0 +1,6 @@
+---
+title: Drupal 8.9.19
+published_date: "2021-10-01"
+categories: []
+---
+[Drupal 8.9.19](https://www.drupal.org/project/drupal/releases/8.9.19) is now available on the Pantheon platform. Detailed information on applying and debugging core updates can be found in the [Core Updates documentation](/core-updates).