Fix libraries not being remembered when an unsaved library is discarded upon closing JabRef

CHANGELOG.md

@@ -69,6 +69,7 @@ Note that this project **does not** adhere to [Semantic Versioning](http://semve
 - We fixed an issue where an exception was not logged correctly. [koppor#627](https://github.com/JabRef/koppor/issues/627)
 - We fixed an issue where hitting enter on the search field within the preferences dialog closed the dialog. [koppor#630](https://github.com/koppor/jabref/issues/630)
 - We fixed a typo within a connection error message. [koppor#625](https://github.com/koppor/jabref/issues/625)
+- We fixed an issue where JabRef forgets opened libraries [#9190](https://github.com/JabRef/jabref/issues/9190)
 
 ### Removed
 

src/main/java/org/jabref/gui/JabRefFrame.java

@@ -407,6 +407,7 @@ private void tearDownJabRef(List<String> filenames) {
                 Path focusedDatabase = getCurrentLibraryTab().getBibDatabaseContext()
                                                              .getDatabasePath()
                                                              .orElse(null);
+
                 prefs.getGuiPreferences().setLastFilesOpened(filenames);
                 prefs.getGuiPreferences().setLastFocusedFile(focusedDatabase);
             }

src/main/java/org/jabref/preferences/JabRefPreferences.java

@@ -2573,7 +2573,9 @@ public GuiPreferences getGuiPreferences() {
             if (newValue != null) {
                 put(LAST_FOCUSED, newValue.toAbsolutePath().toString());
             } else {
-                remove(LAST_EDITED);
+                if (guiPreferences.getLastFilesOpened().isEmpty()) {
+                    remove(LAST_EDITED);
+                }
             }
         });
         guiPreferences.getFileHistory().addListener((InvalidationListener) change -> storeFileHistory(guiPreferences.getFileHistory()));