Update ChangeLog

ChangeLog

@@ -1,3 +1,34 @@
+Version 2.0.27 (Jan 9, 2021)
+----------------------------
+
+* Add spellcheck="false" to input fields
+* Refactoring of entry, feed, category, and user validation
+* Avoid stripping tags for entry title
+* Add the possibility to subscribe to feeds with the Android Share menu
+* API improvements:
+    - Change feed creation request to allow setting most fields via API
+    - Allow regular users to change settings via API
+    - Make user fields editable via API
+    - Renaming non-existent category via API should return a 404
+* Update Systemd service file:
+    - Add capability CAP_NET_BIND_SERVICE (allow the process to listen on privileged ports)
+    - Enable a private /tmp for $CERT_CACHE (required when using Let's Encrypt)
+* Update read/star icons to SVGs
+* Add autocomplete="username" to HTML forms
+* Improve user mass delete to use fewer Goroutines
+* Use SQL transaction when creating user sessions and users
+* Remove extra column (HSTORE field) from users table and migrate key/value pairs to specific columns
+* Bump github.com/prometheus/client_golang from 1.8.0 to 1.9.0
+* Bump github.com/lib/pq from 1.8.0 to 1.9.0
+* Add styles for <abbr> HTML tag
+* Refactor SQL migrations:
+    - Avoid embedding SQL files into binary
+    - Allow more flexible changes by using Go functions
+* Add Server-Timing header to unread page
+* Show correct User Agent in input placeholders
+* Add autocomplete attribute to login form
+* Add Grafana dashboard in contrib folder
+
 Version 2.0.26 (Dec 5, 2020)
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