Add CitationKey as a default column (#10510) (#12080)

* Add CitationKey to entry table default columns

Part of #10510

* Add note regarding #10510, default addition of CitationKey column

Part of #10510

CHANGELOG.md

@@ -66,6 +66,7 @@ Note that this project **does not** adhere to [Semantic Versioning](https://semv
 - We added a new CSS style class `main-table` for the main table. [#11881](https://github.com/JabRef/jabref/pull/11881)
 - When renaming a file, the old extension is now used if there is none provided in the new name. [#11903](https://github.com/JabRef/jabref/issues/11903)
 - We changed the name of the library-based file directory from 'General File Directory' to 'Library-specific File Directory' per issue [#571](https://github.com/koppor/jabref/issues/571)
+- The CitationKey column is now a default shown column for the entry table. [#10510](https://github.com/JabRef/jabref/issues/10510)
 
 ### Fixed
 

src/main/java/org/jabref/gui/preferences/JabRefGuiPreferences.java

@@ -373,8 +373,8 @@ private JabRefGuiPreferences() {
 
         // region: Main table, main table column, and search dialog column preferences
         defaults.put(EXTRA_FILE_COLUMNS, Boolean.FALSE);
-        defaults.put(COLUMN_NAMES, "groups;group_icons;files;linked_id;field:entrytype;field:author/editor;field:title;field:year;field:journal/booktitle;special:ranking;special:readstatus;special:priority");
-        defaults.put(COLUMN_WIDTHS, "28;40;28;28;75;300;470;60;130;50;50;50");
+        defaults.put(COLUMN_NAMES, "groups;group_icons;files;linked_id;field:citationkey;field:entrytype;field:author/editor;field:title;field:year;field:journal/booktitle;special:ranking;special:readstatus;special:priority");
+        defaults.put(COLUMN_WIDTHS, "28;40;28;28;100;75;300;470;60;130;50;50;50");
 
         defaults.put(SIDE_PANE_COMPONENT_NAMES, "");
         defaults.put(SIDE_PANE_COMPONENT_PREFERRED_POSITIONS, "");