diff --git a/cps/db.py b/cps/db.py
index 81f46b81..70b4105b 100644
--- a/cps/db.py
+++ b/cps/db.py
@@ -993,7 +993,12 @@ class CalibreDB:
                 title = title[len(prep):] + ', ' + prep
             return title.strip()
 
-        conn = conn or self.session.connection().connection.driver_connection
+        try:
+            # sqlalchemy <1.4.24
+            conn = conn or self.session.connection().connection.driver_connection
+        except AttributeError:
+            # sqlalchemy >1.4.24 and sqlalchemy 2.0
+            conn = conn or self.session.connection().connection.connection
         try:
             conn.create_function("title_sort", 1, _title_sort)
         except sqliteOperationalError:
diff --git a/cps/translations/cs/LC_MESSAGES/messages.mo b/cps/translations/cs/LC_MESSAGES/messages.mo
index 0328bcf1..587b7084 100644
Binary files a/cps/translations/cs/LC_MESSAGES/messages.mo and b/cps/translations/cs/LC_MESSAGES/messages.mo differ
diff --git a/cps/translations/cs/LC_MESSAGES/messages.po b/cps/translations/cs/LC_MESSAGES/messages.po
index 12de58d0..b9d1978b 100644
--- a/cps/translations/cs/LC_MESSAGES/messages.po
+++ b/cps/translations/cs/LC_MESSAGES/messages.po
@@ -6,7 +6,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version:  Calibre-Web\n"
 "Report-Msgid-Bugs-To: https://github.com/janeczku/Calibre-Web\n"
-"POT-Creation-Date: 2023-04-16 15:05+0200\n"
+"POT-Creation-Date: 2023-04-18 20:06+0200\n"
 "PO-Revision-Date: 2020-06-09 21:11+0100\n"
 "Last-Translator: Lukas Heroudek <lukas.heroudek@gmail.com>\n"
 "Language: cs_CZ\n"
diff --git a/cps/translations/de/LC_MESSAGES/messages.mo b/cps/translations/de/LC_MESSAGES/messages.mo
index 45be8a10..c08cf9fa 100644
Binary files a/cps/translations/de/LC_MESSAGES/messages.mo and b/cps/translations/de/LC_MESSAGES/messages.mo differ
diff --git a/cps/translations/de/LC_MESSAGES/messages.po b/cps/translations/de/LC_MESSAGES/messages.po
index db3150b4..7111dff5 100644
--- a/cps/translations/de/LC_MESSAGES/messages.po
+++ b/cps/translations/de/LC_MESSAGES/messages.po
@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version:  Calibre-Web\n"
 "Report-Msgid-Bugs-To: https://github.com/janeczku/Calibre-Web\n"
-"POT-Creation-Date: 2023-04-16 15:05+0200\n"
+"POT-Creation-Date: 2023-04-18 20:06+0200\n"
 "PO-Revision-Date: 2023-04-16 15:05+0200\n"
 "Last-Translator: Ozzie Isaacs\n"
 "Language: de\n"
diff --git a/cps/translations/el/LC_MESSAGES/messages.mo b/cps/translations/el/LC_MESSAGES/messages.mo
index 2b1e40c0..2e191c87 100644
Binary files a/cps/translations/el/LC_MESSAGES/messages.mo and b/cps/translations/el/LC_MESSAGES/messages.mo differ
diff --git a/cps/translations/el/LC_MESSAGES/messages.po b/cps/translations/el/LC_MESSAGES/messages.po
index 5bd3b836..f7340be7 100644
--- a/cps/translations/el/LC_MESSAGES/messages.po
+++ b/cps/translations/el/LC_MESSAGES/messages.po
@@ -6,7 +6,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version:  Calibre-Web\n"
 "Report-Msgid-Bugs-To: https://github.com/janeczku/Calibre-Web\n"
-"POT-Creation-Date: 2023-04-16 15:05+0200\n"
+"POT-Creation-Date: 2023-04-18 20:06+0200\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: Depountis Georgios\n"
 "Language: el\n"
diff --git a/cps/translations/es/LC_MESSAGES/messages.mo b/cps/translations/es/LC_MESSAGES/messages.mo
index 24df1e7d..ccf86cd8 100644
Binary files a/cps/translations/es/LC_MESSAGES/messages.mo and b/cps/translations/es/LC_MESSAGES/messages.mo differ
diff --git a/cps/translations/es/LC_MESSAGES/messages.po b/cps/translations/es/LC_MESSAGES/messages.po
index d82a59d8..887012dc 100644
--- a/cps/translations/es/LC_MESSAGES/messages.po
+++ b/cps/translations/es/LC_MESSAGES/messages.po
@@ -9,7 +9,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version:  Calibre-Web\n"
 "Report-Msgid-Bugs-To: https://github.com/janeczku/Calibre-Web\n"
-"POT-Creation-Date: 2023-04-16 15:05+0200\n"
+"POT-Creation-Date: 2023-04-18 20:06+0200\n"
 "PO-Revision-Date: 2020-05-25 17:22+0200\n"
 "Last-Translator: minakmostoles <xxx@xxx.com>\n"
 "Language: es\n"
diff --git a/cps/translations/fi/LC_MESSAGES/messages.mo b/cps/translations/fi/LC_MESSAGES/messages.mo
index f29666c7..4b936780 100644
Binary files a/cps/translations/fi/LC_MESSAGES/messages.mo and b/cps/translations/fi/LC_MESSAGES/messages.mo differ
diff --git a/cps/translations/fi/LC_MESSAGES/messages.po b/cps/translations/fi/LC_MESSAGES/messages.po
index 3f5e6aef..5ac854f0 100644
--- a/cps/translations/fi/LC_MESSAGES/messages.po
+++ b/cps/translations/fi/LC_MESSAGES/messages.po
@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version:  Calibre-Web\n"
 "Report-Msgid-Bugs-To: https://github.com/janeczku/Calibre-Web\n"
-"POT-Creation-Date: 2023-04-16 15:05+0200\n"
+"POT-Creation-Date: 2023-04-18 20:06+0200\n"
 "PO-Revision-Date: 2020-01-12 13:56+0100\n"
 "Last-Translator: Samuli Valavuo <svalavuo@gmail.com>\n"
 "Language: fi\n"
diff --git a/cps/translations/fr/LC_MESSAGES/messages.mo b/cps/translations/fr/LC_MESSAGES/messages.mo
index f49488d2..ec379dc4 100644
Binary files a/cps/translations/fr/LC_MESSAGES/messages.mo and b/cps/translations/fr/LC_MESSAGES/messages.mo differ
diff --git a/cps/translations/fr/LC_MESSAGES/messages.po b/cps/translations/fr/LC_MESSAGES/messages.po
index e88ec478..bc482e63 100644
--- a/cps/translations/fr/LC_MESSAGES/messages.po
+++ b/cps/translations/fr/LC_MESSAGES/messages.po
@@ -22,7 +22,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version:  Calibre-Web\n"
 "Report-Msgid-Bugs-To: EMAIL@ADDRESS\n"
-"POT-Creation-Date: 2023-04-16 15:05+0200\n"
+"POT-Creation-Date: 2023-04-18 20:06+0200\n"
 "PO-Revision-Date: 2020-06-07 06:47+0200\n"
 "Last-Translator: <thovi98@gmail.com>\n"
 "Language: fr\n"
diff --git a/cps/translations/gl/LC_MESSAGES/messages.mo b/cps/translations/gl/LC_MESSAGES/messages.mo
index 8526aa96..8d6e6274 100644
Binary files a/cps/translations/gl/LC_MESSAGES/messages.mo and b/cps/translations/gl/LC_MESSAGES/messages.mo differ
diff --git a/cps/translations/gl/LC_MESSAGES/messages.po b/cps/translations/gl/LC_MESSAGES/messages.po
index 46b18669..9d589b12 100644
--- a/cps/translations/gl/LC_MESSAGES/messages.po
+++ b/cps/translations/gl/LC_MESSAGES/messages.po
@@ -5,7 +5,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version:  Calibre-Web\n"
 "Report-Msgid-Bugs-To: https://github.com/janeczku/Calibre-Web\n"
-"POT-Creation-Date: 2023-04-16 15:05+0200\n"
+"POT-Creation-Date: 2023-04-18 20:06+0200\n"
 "PO-Revision-Date: 2022-08-11 16:46+0200\n"
 "Last-Translator: pollitor <pollitor@gmx.com>\n"
 "Language: gl\n"
diff --git a/cps/translations/hu/LC_MESSAGES/messages.mo b/cps/translations/hu/LC_MESSAGES/messages.mo
index 8e4ae102..131bee9d 100644
Binary files a/cps/translations/hu/LC_MESSAGES/messages.mo and b/cps/translations/hu/LC_MESSAGES/messages.mo differ
diff --git a/cps/translations/hu/LC_MESSAGES/messages.po b/cps/translations/hu/LC_MESSAGES/messages.po
index ce1b6b3f..dd09e04d 100644
--- a/cps/translations/hu/LC_MESSAGES/messages.po
+++ b/cps/translations/hu/LC_MESSAGES/messages.po
@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PROJECT VERSION\n"
 "Report-Msgid-Bugs-To: EMAIL@ADDRESS\n"
-"POT-Creation-Date: 2023-04-16 15:05+0200\n"
+"POT-Creation-Date: 2023-04-18 20:06+0200\n"
 "PO-Revision-Date: 2019-04-06 23:36+0200\n"
 "Last-Translator: \n"
 "Language: hu\n"
diff --git a/cps/translations/id/LC_MESSAGES/messages.mo b/cps/translations/id/LC_MESSAGES/messages.mo
index 09fb490b..687e9fd2 100644
Binary files a/cps/translations/id/LC_MESSAGES/messages.mo and b/cps/translations/id/LC_MESSAGES/messages.mo differ
diff --git a/cps/translations/id/LC_MESSAGES/messages.po b/cps/translations/id/LC_MESSAGES/messages.po
index 12ec0b73..d414062d 100644
--- a/cps/translations/id/LC_MESSAGES/messages.po
+++ b/cps/translations/id/LC_MESSAGES/messages.po
@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version:  Calibre-Web\n"
 "Report-Msgid-Bugs-To: https://github.com/janeczku/Calibre-Web\n"
-"POT-Creation-Date: 2023-04-16 15:05+0200\n"
+"POT-Creation-Date: 2023-04-18 20:06+0200\n"
 "PO-Revision-Date: 2023-01-21 10:00+0700\n"
 "Last-Translator: Arief Hidayat<arihid95@gmail.com>\n"
 "Language: id\n"
diff --git a/cps/translations/it/LC_MESSAGES/messages.mo b/cps/translations/it/LC_MESSAGES/messages.mo
index 507666cc..e4afbac2 100644
Binary files a/cps/translations/it/LC_MESSAGES/messages.mo and b/cps/translations/it/LC_MESSAGES/messages.mo differ
diff --git a/cps/translations/it/LC_MESSAGES/messages.po b/cps/translations/it/LC_MESSAGES/messages.po
index c7b219f3..6eff61ed 100644
--- a/cps/translations/it/LC_MESSAGES/messages.po
+++ b/cps/translations/it/LC_MESSAGES/messages.po
@@ -7,8 +7,8 @@ msgid ""
 msgstr ""
 "Project-Id-Version:  Calibre-Web\n"
 "Report-Msgid-Bugs-To: https://github.com/janeczku/Calibre-Web\n"
-"POT-Creation-Date: 2023-04-16 15:05+0200\n"
-"PO-Revision-Date: 2023-02-04 20:25+0100\n"
+"POT-Creation-Date: 2023-04-18 20:06+0200\n"
+"PO-Revision-Date: 2023-04-18 09:04+0200\n"
 "Last-Translator: Massimo Pissarello <mapi68@gmail.com>\n"
 "Language: it\n"
 "Language-Team: Italian <>\n"
@@ -32,16 +32,15 @@ msgstr "Eseguo l'arresto del server, per favore chiudi la finestra"
 
 #: cps/admin.py:155
 msgid "Success! Database Reconnected"
-msgstr "OK! Database riconnesso"
+msgstr "Tutto OK! Database riconnesso"
 
 #: cps/admin.py:158
 msgid "Unknown command"
 msgstr "Comando sconosciuto"
 
 #: cps/admin.py:169
-#, fuzzy
 msgid "Success! Books queued for Metadata Backup, please check Tasks for result"
-msgstr "L'e-mail di test è stato accodata con successo per essere spedita a %(email)s, per favore verifica tramite il pulsante 'Attività' il risultato"
+msgstr "Tutto OK! Libri in coda per il backup dei metadati, controlla le attività per il risultato"
 
 #: cps/admin.py:202 cps/editbooks.py:577 cps/editbooks.py:579
 #: cps/editbooks.py:615 cps/editbooks.py:632 cps/editbooks.py:1241
@@ -284,7 +283,7 @@ msgstr "Modifica le impostazioni del server e-mail"
 
 #: cps/admin.py:1288
 msgid "Success! Gmail Account Verified."
-msgstr "OK! Account Gmail verificato."
+msgstr "Tutto OK! Account Gmail verificato."
 
 #: cps/admin.py:1307 cps/admin.py:1310 cps/admin.py:1692 cps/admin.py:1825
 #: cps/admin.py:1923 cps/admin.py:2044 cps/editbooks.py:229
@@ -298,7 +297,7 @@ msgstr "Errore nel database: %(error)s."
 #: cps/admin.py:1317
 #, python-format
 msgid "Test e-mail queued for sending to %(email)s, please check Tasks for result"
-msgstr "L'e-mail di test è stato accodata con successo per essere spedita a %(email)s, per favore verifica tramite il pulsante 'Attività' il risultato"
+msgstr "L'e-mail di test è stato accodata con successo per essere spedita a %(email)s, per favore controlla le attività per il risultato"
 
 #: cps/admin.py:1320
 #, python-format
@@ -345,7 +344,7 @@ msgstr "Modifica l'utente %(nick)s"
 #: cps/admin.py:1430
 #, python-format
 msgid "Success! Password for user %(user)s reset"
-msgstr "OK! Reimpostazione della password per l'utente %(user)s"
+msgstr "Tutto OK! Reimpostazione della password per l'utente %(user)s"
 
 #: cps/admin.py:1436
 msgid "Oops! Please configure the SMTP mail settings."
@@ -455,7 +454,7 @@ msgstr "La posizione del Certfile non è valida, per favore indica il percorso c
 
 #: cps/admin.py:1812
 msgid "Password length has to be between 1 and 40"
-msgstr ""
+msgstr "La lunghezza della password deve essere compresa tra 1 e 40"
 
 #: cps/admin.py:1864
 msgid "Database Settings updated"
@@ -760,7 +759,7 @@ msgstr "Formato dell'indirizzo e-mail non valido"
 
 #: cps/helper.py:703
 msgid "Password doesn't comply with password validation rules"
-msgstr ""
+msgstr "La password non è conforme alle regole di convalida della password"
 
 #: cps/helper.py:853
 msgid "Python module 'advocate' is not installed but is needed for cover uploads"
@@ -816,7 +815,7 @@ msgstr "Metti in coda tutti i libri per il backup dei metadati"
 
 #: cps/kobo_auth.py:90
 msgid "Please access Calibre-Web from non localhost to get valid api_endpoint for kobo device"
-msgstr "Per favore accedi a Calibe-Web non da localhost per ottenere un api-endpoint valido per il lettore kobo"
+msgstr "Per favore accedi a Calibe-Web non da localhost per ottenere un api_endpoint valido per il lettore kobo"
 
 #: cps/kobo_auth.py:116
 msgid "Kobo Setup"
@@ -830,7 +829,7 @@ msgstr "Registra con %(provider)s"
 #: cps/oauth_bb.py:138 cps/remotelogin.py:130
 #, python-format
 msgid "Success! You are now logged in as: %(nickname)s"
-msgstr "OK! Ora sei connesso come: %(nickname)s"
+msgstr "Tutto OK! Ora sei connesso come: %(nickname)s"
 
 #: cps/oauth_bb.py:148
 #, python-format
@@ -908,7 +907,7 @@ msgstr "Il token è scaduto"
 
 #: cps/remotelogin.py:92
 msgid "Success! Please return to your device"
-msgstr "OK! Torna al tuo dispositivo"
+msgstr "Tutto OK! Torna al tuo dispositivo"
 
 #: cps/render_template.py:42 cps/web.py:414
 msgid "Books"
@@ -1322,14 +1321,13 @@ msgid "File formats list"
 msgstr "Elenco dei formati"
 
 #: cps/web.py:1217
-#, fuzzy
 msgid "Please configure the SMTP mail settings first..."
-msgstr "Configura prima le impostazioni del server SMTP."
+msgstr "Prima configura le impostazioni del server SMTP..."
 
 #: cps/web.py:1224
 #, python-format
 msgid "Success! Book queued for sending to %(eReadermail)s"
-msgstr "OK! Libro in coda per l'invio a %(eReadermail)s"
+msgstr "Tutto OK! Libro in coda per l'invio a %(eReadermail)s"
 
 #: cps/web.py:1227
 #, python-format
@@ -1342,7 +1340,7 @@ msgstr "Per favore aggiorna il tuo profilo con un'e-mail eReader valida."
 
 #: cps/web.py:1245
 msgid "Please wait one minute to register next user"
-msgstr ""
+msgstr "Attendi un minuto per registrare l'utente successivo"
 
 #: cps/templates/layout.html:68 cps/templates/layout.html:102
 #: cps/templates/login.html:27 cps/templates/register.html:17 cps/web.py:1246
@@ -1361,56 +1359,51 @@ msgstr "La tua e-mail non è consentita."
 
 #: cps/web.py:1286
 msgid "Success! Confirmation Email has been sent."
-msgstr "OK! L'e-mail di conferma è stata inviata."
+msgstr "Tutto OK! L'e-mail di conferma è stata inviata."
 
 #: cps/web.py:1332 cps/web.py:1350
-#, fuzzy
 msgid "Cannot activate LDAP authentication"
-msgstr "Non posso attivare l'autenticazione LDAP"
+msgstr "Impossibile attivare l'autenticazione LDAP"
 
 #: cps/web.py:1344
 msgid "Please wait one minute before next login"
-msgstr ""
+msgstr "Attendi un minuto prima dell'accesso successivo"
 
 #: cps/web.py:1360
-#, fuzzy, python-format
+#, python-format
 msgid "you are now logged in as: '%(nickname)s'"
-msgstr "OK! Ora sei connesso come: %(nickname)s"
+msgstr "ora sei connesso come: '%(nickname)s'"
 
 #: cps/web.py:1367
-#, fuzzy, python-format
+#, python-format
 msgid "Fallback Login as: '%(nickname)s', LDAP Server not reachable, or user not known"
 msgstr "Accesso di riserva come: '%(nickname)s', il server LDAP non è raggiungibile o l'utente è sconosciuto"
 
 #: cps/web.py:1372
-#, fuzzy, python-format
+#, python-format
 msgid "Could not login: %(message)s"
-msgstr "Non posso accedere: %(message)s"
+msgstr "Impossibile accedere: %(message)s"
 
 #: cps/web.py:1376 cps/web.py:1401
-#, fuzzy
 msgid "Wrong Username or Password"
-msgstr "Nome utente o password errati."
+msgstr "Nome utente o password errati"
 
 #: cps/web.py:1383
-#, fuzzy
 msgid "New Password was send to your email address"
-msgstr "OK! La nuova password è stata inviata alla tua e-mail."
+msgstr "La nuova password è stata inviata al tuo indirizzo email"
 
 #: cps/web.py:1387
-#, fuzzy
 msgid "An unknown error occurred. Please try again later."
-msgstr "Si è verificato un errore sconosciuto: per favore riprova."
+msgstr "Si è verificato un errore sconosciuto. Per favore riprova più tardi."
 
 #: cps/web.py:1389
-#, fuzzy
 msgid "Please enter valid username to reset password"
 msgstr "Inserisci un nome utente valido per reimpostare la password"
 
 #: cps/web.py:1397
-#, fuzzy, python-format
+#, python-format
 msgid "You are now logged in as: '%(nickname)s'"
-msgstr "OK! Ora sei connesso come: %(nickname)s"
+msgstr "Ora sei connesso come: '%(nickname)s'"
 
 #: cps/web.py:1455 cps/web.py:1505
 #, python-format
@@ -1419,7 +1412,7 @@ msgstr "Profilo di %(name)s"
 
 #: cps/web.py:1471
 msgid "Success! Profile Updated"
-msgstr "OK! Profilo aggiornato"
+msgstr "Tutto OK! Profilo aggiornato"
 
 #: cps/web.py:1475
 msgid "Oops! An account already exists for this Email."
@@ -1687,7 +1680,7 @@ msgstr "Ricollega il database di Calibre"
 
 #: cps/templates/admin.html:190 cps/templates/schedule_edit.html:41
 msgid "Generate Metadata Backup Files"
-msgstr ""
+msgstr "Genera file di backup dei metadati"
 
 #: cps/templates/admin.html:197
 msgid "Refresh Thumbnail Cache"
@@ -2390,50 +2383,48 @@ msgid "Location of Unrar binary"
 msgstr "Percorso del file binario di UnRar"
 
 #: cps/templates/config_edit.html:361
-#, fuzzy
 msgid "Security Settings"
-msgstr "Impostazioni OAuth"
+msgstr "Impostazioni sicurezza"
 
 #: cps/templates/config_edit.html:369
 msgid "Limit failed login attempts"
-msgstr ""
+msgstr "Limita i tentativi di accesso falliti"
 
 #: cps/templates/config_edit.html:372
 msgid "Session protection"
-msgstr ""
+msgstr "Protezione sessione"
 
 #: cps/templates/config_edit.html:374
 msgid "Basic"
-msgstr ""
+msgstr "Di base"
 
 #: cps/templates/config_edit.html:375
 msgid "Strong"
-msgstr ""
+msgstr "Forte"
 
 #: cps/templates/config_edit.html:380
-#, fuzzy
 msgid "User Password policy"
-msgstr "Reimposta la password dell'utente"
+msgstr "Politica password utente"
 
 #: cps/templates/config_edit.html:384
 msgid "Minimum password length"
-msgstr ""
+msgstr "Lunghezza minima password"
 
 #: cps/templates/config_edit.html:389
 msgid "Enforce number"
-msgstr ""
+msgstr "Obbliga numero"
 
 #: cps/templates/config_edit.html:393
 msgid "Enforce lowercase characters"
-msgstr ""
+msgstr "Obbliga caratteri minuscoli"
 
 #: cps/templates/config_edit.html:397
 msgid "Enforce uppercase characters"
-msgstr ""
+msgstr "Obbliga caratteri maiuscoli"
 
 #: cps/templates/config_edit.html:401
 msgid "Enforce special characters"
-msgstr ""
+msgstr "Obbliga caratteri speciali"
 
 #: cps/templates/config_view_edit.html:17
 msgid "View Configuration"
@@ -3009,11 +3000,11 @@ msgstr "Pagina successiva"
 
 #: cps/templates/readcbr.html:96
 msgid "Single Page Display"
-msgstr ""
+msgstr "Visualizzazione a pagina singola"
 
 #: cps/templates/readcbr.html:97
 msgid "Long Strip Display"
-msgstr ""
+msgstr "Visualizzazione a striscia lunga"
 
 #: cps/templates/readcbr.html:98
 msgid "Scale to Best"
@@ -3045,16 +3036,15 @@ msgstr "Capovolgi immagine"
 
 #: cps/templates/readcbr.html:126
 msgid "Display"
-msgstr ""
+msgstr "Visualizzazione"
 
 #: cps/templates/readcbr.html:129
-#, fuzzy
 msgid "Single Page"
-msgstr "Pagina di amministrazione"
+msgstr "Pagina singola"
 
 #: cps/templates/readcbr.html:130
 msgid "Long Strip"
-msgstr ""
+msgstr "Striscia lunga"
 
 #: cps/templates/readcbr.html:135
 msgid "Scale"
@@ -3446,7 +3436,7 @@ msgstr "Modifica gli scaffali pubblici"
 
 #: cps/templates/user_table.html:152
 msgid "Sync selected Shelves with Kobo"
-msgstr "Sincronizza con Kobo gli scaffali selezionati"
+msgstr "Sincronizza gli scaffali selezionati con Kobo"
 
 #: cps/templates/user_table.html:156
 msgid "Show Read/Unread Section"
diff --git a/cps/translations/ja/LC_MESSAGES/messages.mo b/cps/translations/ja/LC_MESSAGES/messages.mo
index 5ba744a8..5459a654 100644
Binary files a/cps/translations/ja/LC_MESSAGES/messages.mo and b/cps/translations/ja/LC_MESSAGES/messages.mo differ
diff --git a/cps/translations/ja/LC_MESSAGES/messages.po b/cps/translations/ja/LC_MESSAGES/messages.po
index a3b43060..9211e535 100644
--- a/cps/translations/ja/LC_MESSAGES/messages.po
+++ b/cps/translations/ja/LC_MESSAGES/messages.po
@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version:  Calibre-Web\n"
 "Report-Msgid-Bugs-To: https://github.com/janeczku/Calibre-Web\n"
-"POT-Creation-Date: 2023-04-16 15:05+0200\n"
+"POT-Creation-Date: 2023-04-18 20:06+0200\n"
 "PO-Revision-Date: 2018-02-07 02:20-0500\n"
 "Last-Translator: subdiox <subdiox@gmail.com>\n"
 "Language: ja\n"
diff --git a/cps/translations/km/LC_MESSAGES/messages.mo b/cps/translations/km/LC_MESSAGES/messages.mo
index 985f0374..1e9c9598 100644
Binary files a/cps/translations/km/LC_MESSAGES/messages.mo and b/cps/translations/km/LC_MESSAGES/messages.mo differ
diff --git a/cps/translations/km/LC_MESSAGES/messages.po b/cps/translations/km/LC_MESSAGES/messages.po
index 129515c8..bd6aafc9 100644
--- a/cps/translations/km/LC_MESSAGES/messages.po
+++ b/cps/translations/km/LC_MESSAGES/messages.po
@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version:  Calibre-Web\n"
 "Report-Msgid-Bugs-To: https://github.com/janeczku/Calibre-Web\n"
-"POT-Creation-Date: 2023-04-16 15:05+0200\n"
+"POT-Creation-Date: 2023-04-18 20:06+0200\n"
 "PO-Revision-Date: 2018-08-27 17:06+0700\n"
 "Last-Translator: \n"
 "Language: km_KH\n"
diff --git a/cps/translations/ko/LC_MESSAGES/messages.mo b/cps/translations/ko/LC_MESSAGES/messages.mo
index 4f0c1cbc..fee86161 100644
Binary files a/cps/translations/ko/LC_MESSAGES/messages.mo and b/cps/translations/ko/LC_MESSAGES/messages.mo differ
diff --git a/cps/translations/ko/LC_MESSAGES/messages.po b/cps/translations/ko/LC_MESSAGES/messages.po
index 756aec28..8aba42d6 100644
--- a/cps/translations/ko/LC_MESSAGES/messages.po
+++ b/cps/translations/ko/LC_MESSAGES/messages.po
@@ -6,7 +6,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version:  Calibre-web\n"
 "Report-Msgid-Bugs-To: https://github.com/janeczku/calibre-web\n"
-"POT-Creation-Date: 2023-04-16 15:05+0200\n"
+"POT-Creation-Date: 2023-04-18 20:06+0200\n"
 "PO-Revision-Date: 2022-01-10 11:30+0900\n"
 "Last-Translator: 내맘대로의 EPUBGUIDE.NET <byword77@gmail.com>\n"
 "Language: ko\n"
diff --git a/cps/translations/nl/LC_MESSAGES/messages.mo b/cps/translations/nl/LC_MESSAGES/messages.mo
index 48eef7f6..f23bd1d9 100644
Binary files a/cps/translations/nl/LC_MESSAGES/messages.mo and b/cps/translations/nl/LC_MESSAGES/messages.mo differ
diff --git a/cps/translations/nl/LC_MESSAGES/messages.po b/cps/translations/nl/LC_MESSAGES/messages.po
index 014dc222..359c8244 100644
--- a/cps/translations/nl/LC_MESSAGES/messages.po
+++ b/cps/translations/nl/LC_MESSAGES/messages.po
@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: Calibre-Web (GPLV3)\n"
 "Report-Msgid-Bugs-To: https://github.com/janeczku/Calibre-Web\n"
-"POT-Creation-Date: 2023-04-16 15:05+0200\n"
+"POT-Creation-Date: 2023-04-18 20:06+0200\n"
 "PO-Revision-Date: 2020-12-12 08:20+0100\n"
 "Last-Translator: Marcel Maas <marcel.maas@outlook.com>\n"
 "Language: nl\n"
diff --git a/cps/translations/no/LC_MESSAGES/messages.mo b/cps/translations/no/LC_MESSAGES/messages.mo
index 5be68b32..d645b3f3 100644
Binary files a/cps/translations/no/LC_MESSAGES/messages.mo and b/cps/translations/no/LC_MESSAGES/messages.mo differ
diff --git a/cps/translations/no/LC_MESSAGES/messages.po b/cps/translations/no/LC_MESSAGES/messages.po
index 3a21bb5b..b44f61be 100644
--- a/cps/translations/no/LC_MESSAGES/messages.po
+++ b/cps/translations/no/LC_MESSAGES/messages.po
@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version:  Calibre-Web\n"
 "Report-Msgid-Bugs-To: https://github.com/janeczku/Calibre-Web\n"
-"POT-Creation-Date: 2023-04-16 15:05+0200\n"
+"POT-Creation-Date: 2023-04-18 20:06+0200\n"
 "PO-Revision-Date: 2023-01-06 11:00+0000\n"
 "Last-Translator: Vegard Fladby <vegard.fladby@gmail.com>\n"
 "Language: no\n"
diff --git a/cps/translations/pl/LC_MESSAGES/messages.mo b/cps/translations/pl/LC_MESSAGES/messages.mo
index fce7dd06..ab18550e 100644
Binary files a/cps/translations/pl/LC_MESSAGES/messages.mo and b/cps/translations/pl/LC_MESSAGES/messages.mo differ
diff --git a/cps/translations/pl/LC_MESSAGES/messages.po b/cps/translations/pl/LC_MESSAGES/messages.po
index fc2fba91..0f520f72 100644
--- a/cps/translations/pl/LC_MESSAGES/messages.po
+++ b/cps/translations/pl/LC_MESSAGES/messages.po
@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: Calibre Web - polski (POT: 2021-06-12 08:52)\n"
 "Report-Msgid-Bugs-To: EMAIL@ADDRESS\n"
-"POT-Creation-Date: 2023-04-16 15:05+0200\n"
+"POT-Creation-Date: 2023-04-18 20:06+0200\n"
 "PO-Revision-Date: 2021-06-12 15:35+0200\n"
 "Last-Translator: Radosław Kierznowski <radek.kierznowski@outlook.com>\n"
 "Language: pl\n"
diff --git a/cps/translations/pt_BR/LC_MESSAGES/messages.mo b/cps/translations/pt_BR/LC_MESSAGES/messages.mo
index d86f5ad7..d8f32fd0 100644
Binary files a/cps/translations/pt_BR/LC_MESSAGES/messages.mo and b/cps/translations/pt_BR/LC_MESSAGES/messages.mo differ
diff --git a/cps/translations/pt_BR/LC_MESSAGES/messages.po b/cps/translations/pt_BR/LC_MESSAGES/messages.po
index ef1a3c6e..c580ccd1 100644
--- a/cps/translations/pt_BR/LC_MESSAGES/messages.po
+++ b/cps/translations/pt_BR/LC_MESSAGES/messages.po
@@ -4,7 +4,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PROJECT VERSION\n"
 "Report-Msgid-Bugs-To: EMAIL@ADDRESS\n"
-"POT-Creation-Date: 2023-04-16 15:05+0200\n"
+"POT-Creation-Date: 2023-04-18 20:06+0200\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language: br\n"
diff --git a/cps/translations/ru/LC_MESSAGES/messages.mo b/cps/translations/ru/LC_MESSAGES/messages.mo
index b097af3b..cd4a9f8a 100644
Binary files a/cps/translations/ru/LC_MESSAGES/messages.mo and b/cps/translations/ru/LC_MESSAGES/messages.mo differ
diff --git a/cps/translations/ru/LC_MESSAGES/messages.po b/cps/translations/ru/LC_MESSAGES/messages.po
index a9e60ac5..7283766f 100644
--- a/cps/translations/ru/LC_MESSAGES/messages.po
+++ b/cps/translations/ru/LC_MESSAGES/messages.po
@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version:  Calibre-Web\n"
 "Report-Msgid-Bugs-To: https://github.com/janeczku/Calibre-Web\n"
-"POT-Creation-Date: 2023-04-16 15:05+0200\n"
+"POT-Creation-Date: 2023-04-18 20:06+0200\n"
 "PO-Revision-Date: 2020-04-29 01:20+0400\n"
 "Last-Translator: ZIZA\n"
 "Language: ru\n"
diff --git a/cps/translations/sv/LC_MESSAGES/messages.mo b/cps/translations/sv/LC_MESSAGES/messages.mo
index 0976ca3d..6e6684db 100644
Binary files a/cps/translations/sv/LC_MESSAGES/messages.mo and b/cps/translations/sv/LC_MESSAGES/messages.mo differ
diff --git a/cps/translations/sv/LC_MESSAGES/messages.po b/cps/translations/sv/LC_MESSAGES/messages.po
index 41e9e167..7789e919 100644
--- a/cps/translations/sv/LC_MESSAGES/messages.po
+++ b/cps/translations/sv/LC_MESSAGES/messages.po
@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version:  Calibre-Web\n"
 "Report-Msgid-Bugs-To: https://github.com/janeczku/Calibre-Web\n"
-"POT-Creation-Date: 2023-04-16 15:05+0200\n"
+"POT-Creation-Date: 2023-04-18 20:06+0200\n"
 "PO-Revision-Date: 2021-05-13 11:00+0000\n"
 "Last-Translator: Jonatan Nyberg <jonatan.nyberg.karl@gmail.com>\n"
 "Language: sv\n"
diff --git a/cps/translations/tr/LC_MESSAGES/messages.mo b/cps/translations/tr/LC_MESSAGES/messages.mo
index f64d6e42..95d6b107 100644
Binary files a/cps/translations/tr/LC_MESSAGES/messages.mo and b/cps/translations/tr/LC_MESSAGES/messages.mo differ
diff --git a/cps/translations/tr/LC_MESSAGES/messages.po b/cps/translations/tr/LC_MESSAGES/messages.po
index 2fb74a84..f79a70fe 100644
--- a/cps/translations/tr/LC_MESSAGES/messages.po
+++ b/cps/translations/tr/LC_MESSAGES/messages.po
@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version:  Calibre-Web\n"
 "Report-Msgid-Bugs-To: EMAIL@ADDRESS\n"
-"POT-Creation-Date: 2023-04-16 15:05+0200\n"
+"POT-Creation-Date: 2023-04-18 20:06+0200\n"
 "PO-Revision-Date: 2020-04-23 22:47+0300\n"
 "Last-Translator: iz <iz7iz7iz@protonmail.ch>\n"
 "Language: tr\n"
diff --git a/cps/translations/uk/LC_MESSAGES/messages.mo b/cps/translations/uk/LC_MESSAGES/messages.mo
index 981b255b..4a1db333 100644
Binary files a/cps/translations/uk/LC_MESSAGES/messages.mo and b/cps/translations/uk/LC_MESSAGES/messages.mo differ
diff --git a/cps/translations/uk/LC_MESSAGES/messages.po b/cps/translations/uk/LC_MESSAGES/messages.po
index bf72365e..93a20211 100644
--- a/cps/translations/uk/LC_MESSAGES/messages.po
+++ b/cps/translations/uk/LC_MESSAGES/messages.po
@@ -6,7 +6,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version:  Calibre-web\n"
 "Report-Msgid-Bugs-To: https://github.com/janeczku/calibre-web\n"
-"POT-Creation-Date: 2023-04-16 15:05+0200\n"
+"POT-Creation-Date: 2023-04-18 20:06+0200\n"
 "PO-Revision-Date: 2017-04-30 00:47+0300\n"
 "Last-Translator: ABIS Team <biblio.if.abis@gmail.com>\n"
 "Language: uk\n"
diff --git a/cps/translations/vi/LC_MESSAGES/messages.mo b/cps/translations/vi/LC_MESSAGES/messages.mo
index 57ef1015..d13f05b1 100644
Binary files a/cps/translations/vi/LC_MESSAGES/messages.mo and b/cps/translations/vi/LC_MESSAGES/messages.mo differ
diff --git a/cps/translations/vi/LC_MESSAGES/messages.po b/cps/translations/vi/LC_MESSAGES/messages.po
index 22972ef8..f4e52833 100644
--- a/cps/translations/vi/LC_MESSAGES/messages.po
+++ b/cps/translations/vi/LC_MESSAGES/messages.po
@@ -4,7 +4,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version:  Calibre-web\n"
 "Report-Msgid-Bugs-To: https://github.com/janeczku/calibre-web\n"
-"POT-Creation-Date: 2023-04-16 15:05+0200\n"
+"POT-Creation-Date: 2023-04-18 20:06+0200\n"
 "PO-Revision-Date: 2022-09-20 21:36+0700\n"
 "Last-Translator: Ha Link <halink0803@gmail.com>\n"
 "Language: vi\n"
diff --git a/cps/translations/zh_Hans_CN/LC_MESSAGES/messages.mo b/cps/translations/zh_Hans_CN/LC_MESSAGES/messages.mo
index 2d96bded..ec94229f 100644
Binary files a/cps/translations/zh_Hans_CN/LC_MESSAGES/messages.mo and b/cps/translations/zh_Hans_CN/LC_MESSAGES/messages.mo differ
diff --git a/cps/translations/zh_Hans_CN/LC_MESSAGES/messages.po b/cps/translations/zh_Hans_CN/LC_MESSAGES/messages.po
index 31793fc4..fd197395 100644
--- a/cps/translations/zh_Hans_CN/LC_MESSAGES/messages.po
+++ b/cps/translations/zh_Hans_CN/LC_MESSAGES/messages.po
@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version:  Calibre-Web\n"
 "Report-Msgid-Bugs-To: EMAIL@ADDRESS\n"
-"POT-Creation-Date: 2023-04-16 15:05+0200\n"
+"POT-Creation-Date: 2023-04-18 20:06+0200\n"
 "PO-Revision-Date: 2020-09-27 22:18+0800\n"
 "Last-Translator: xlivevil <xlivevil@aliyun.com>\n"
 "Language: zh_CN\n"
diff --git a/cps/translations/zh_Hant_TW/LC_MESSAGES/messages.mo b/cps/translations/zh_Hant_TW/LC_MESSAGES/messages.mo
index c3b37a2f..190c0f84 100644
Binary files a/cps/translations/zh_Hant_TW/LC_MESSAGES/messages.mo and b/cps/translations/zh_Hant_TW/LC_MESSAGES/messages.mo differ
diff --git a/cps/translations/zh_Hant_TW/LC_MESSAGES/messages.po b/cps/translations/zh_Hant_TW/LC_MESSAGES/messages.po
index 044bb999..8154c96f 100644
--- a/cps/translations/zh_Hant_TW/LC_MESSAGES/messages.po
+++ b/cps/translations/zh_Hant_TW/LC_MESSAGES/messages.po
@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version:  Calibre-Web\n"
 "Report-Msgid-Bugs-To: EMAIL@ADDRESS\n"
-"POT-Creation-Date: 2023-04-16 15:05+0200\n"
+"POT-Creation-Date: 2023-04-18 20:06+0200\n"
 "PO-Revision-Date: 2020-09-27 22:18+0800\n"
 "Last-Translator: xlivevil <xlivevil@aliyun.com>\n"
 "Language: zh_TW\n"
diff --git a/cps/web.py b/cps/web.py
index ad825f02..789edd3d 100755
--- a/cps/web.py
+++ b/cps/web.py
@@ -484,7 +484,8 @@ def render_downloaded_books(page, order, user_id):
         user_id = int(user_id)
     else:
         user_id = current_user.id
-    if current_user.check_visibility(constants.SIDEBAR_DOWNLOAD):
+    user = ub.session.query(ub.User).filter(ub.User.id == user_id).first()
+    if current_user.check_visibility(constants.SIDEBAR_DOWNLOAD) and user:
         entries, random, pagination = calibre_db.fill_indexpage(page,
                                                             0,
                                                             db.Books,
@@ -499,7 +500,6 @@ def render_downloaded_books(page, order, user_id):
             if not (calibre_db.session.query(db.Books).filter(calibre_db.common_filters())
                     .filter(db.Books.id == book.Books.id).first()):
                 ub.delete_download(book.Books.id)
-        user = ub.session.query(ub.User).filter(ub.User.id == user_id).first()
         return render_title_template('index.html',
                                      random=random,
                                      entries=entries,
@@ -618,21 +618,19 @@ def render_ratings_books(page, book_id, order):
                                                                 db.Series,
                                                                 db.books_ratings_link, db.Ratings)
         title = _("Rating: None")
-        rating = -1
     else:
         name = calibre_db.session.query(db.Ratings).filter(db.Ratings.id == book_id).first()
-        entries, random, pagination = calibre_db.fill_indexpage(page, 0,
-                                                                db.Books,
-                                                                db.Books.ratings.any(db.Ratings.id == book_id),
-                                                                [order[0][0]],
-                                                                True, config.config_read_column)
-        title = _("Rating: %(rating)s stars", rating=int(name.rating / 2))
-        rating = name.rating
-    if title and rating <= 10:
-        return render_title_template('index.html', random=random, pagination=pagination, entries=entries, id=book_id,
-                                     title=title, page="ratings", order=order[1])
-    else:
-        abort(404)
+        if name:
+            entries, random, pagination = calibre_db.fill_indexpage(page, 0,
+                                                                    db.Books,
+                                                                    db.Books.ratings.any(db.Ratings.id == book_id),
+                                                                    [order[0][0]],
+                                                                    True, config.config_read_column)
+            title = _("Rating: %(rating)s stars", rating=int(name.rating / 2))
+        else:
+            abort(404)
+    return render_title_template('index.html', random=random, pagination=pagination, entries=entries, id=book_id,
+                                 title=title, page="ratings", order=order[1])
 
 
 def render_formats_books(page, book_id, order):
@@ -688,6 +686,8 @@ def render_language_books(page, name, order):
     try:
         if name.lower() != "none":
             lang_name = isoLanguages.get_language_name(get_locale(), name)
+            if lang_name == "Unknown":
+                abort(404)
         else:
             lang_name = _("None")
     except KeyError:
@@ -1036,7 +1036,8 @@ def ratings_list():
                            .filter(or_(db.Ratings.rating == None, db.Ratings.rating == 0))
                            .filter(calibre_db.common_filters())
                            .count())
-        entries.append([db.Category(_("None"), "-1", -1), no_rating_count])
+        if no_rating_count:
+            entries.append([db.Category(_("None"), "-1", -1), no_rating_count])
         entries = sorted(entries, key=lambda x: x[0].rating, reverse=not order_no)
         return render_title_template('list.html', entries=entries, folder='web.books_list', charlist=list(),
                                      title=_("Ratings list"), page="ratingslist", data="ratings", order=order_no)
diff --git a/messages.pot b/messages.pot
index a32fca58..859b3b9c 100644
--- a/messages.pot
+++ b/messages.pot
@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PROJECT VERSION\n"
 "Report-Msgid-Bugs-To: EMAIL@ADDRESS\n"
-"POT-Creation-Date: 2023-04-16 15:05+0200\n"
+"POT-Creation-Date: 2023-04-18 20:06+0200\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"