Started blogpost for v21.12 release

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+categories = ["Releases"]
+tags = ["Releases"]
+title = "BookStack Release v21.12"
+date = 2021-12-22T12:00:00Z
+author = "Dan Brown"
+image = "/images/blog-cover-images/reindeer-joe-green.jpg"
+slug = "bookstack-release-v21-12"
+draft = false
++++
+
+Intro
+
+* [Update instructions](https://www.bookstackapp.com/docs/admin/updates)
+* [GitHub release page](https://github.com/BookStackApp/BookStack/releases/tag/v21.12)
+
+
+**Upgrade Notices**
+
+- **Security Releases** - There were a couple of security vulnerabilities found during the life of 
+  v21.11. See the [v21.11.2](/blog/bookstack-release-v21-11-2/) and [v21.11.3](/blog/bookstack-release-v21-11-3/) posts for more details.
+
+
+### Outgoing Webhooks
+
+
+
+### Copy Entire Chapters & Books
+
+
+
+### API Updates
+
+(Search API changes in patch releases)
+
+### Logical Theme System Custom Commands
+
+
+
+### Translations
+
+
+
+### Full List of Changes
+
+**Released in v21.12**
+
+
+
+**Released in v21.11.1 through v21.11.3**
+
+* Added custom command support to the logical theme system. ([#3072](https://github.com/BookStackApp/BookStack/pull/3072))
+* Added support for `prefers-contrast` media setting to increase contrast in faded areas when active. ([#2634](https://github.com/BookStackApp/BookStack/issues/2634))
+* Updated user search to help prevent discovery and harvesting of user information. Thanks @haxatron for reporting. ([#3108](https://github.com/BookStackApp/BookStack/issues/3108))
+* Updated search API results to include the highlighted preview content. ([#3096](https://github.com/BookStackApp/BookStack/issues/3096))
+* Updated search API results to include item URL. ([#3080](https://github.com/BookStackApp/BookStack/issues/3080))
+* Updated translations with latest Crowdin changes. ([#3093](https://github.com/BookStackApp/BookStack/pull/3093), [#3076](https://github.com/BookStackApp/BookStack/pull/3076), [#3057](https://github.com/BookStackApp/BookStack/pull/3057))
+* Updated TOTP confirmation view to autofocus on code input. Thanks to [@raccettura](https://github.com/BookStackApp/BookStack/pull/3068). ([#3068](https://github.com/BookStackApp/BookStack/pull/3068))
+* Updated any links on homepage lists to be more obvious & accessible. ([#3046](https://github.com/BookStackApp/BookStack/issues/3046))
+* Fixed issue with greater-than-expected visibility on page-draft-related items. Thanks @haxatron for reporting. ([#3086](https://github.com/BookStackApp/BookStack/issues/3086))
+* Fixed issue where public API access was not limited by system public control in certain conditions. ([#3091](https://github.com/BookStackApp/BookStack/issues/3091))
+* Fixed faulty page navigation links when headers are nested within other content. Thanks to [@Julesdevops](https://github.com/BookStackApp/BookStack/pull/3069). ([#3069](https://github.com/BookStackApp/BookStack/pull/3069), [#3058](https://github.com/BookStackApp/BookStack/issues/3058))
+
+### Next Steps
+
+
+----
+
+<span style="font-size: 0.8em;opacity:0.9;">Header Image Credits: <span>Photo by <a href="https://unsplash.com/@jg?utm_source=unsplash&amp;utm_medium=referral&amp;utm_content=creditCopyText">Joe Green</a> on <a href="https://unsplash.com/?utm_source=unsplash&amp;utm_medium=referral&amp;utm_content=creditCopyText">Unsplash</a></span></span>
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