diff --git a/jablib/src/main/resources/l10n/JabRef_ar.properties b/jablib/src/main/resources/l10n/JabRef_ar.properties
index 5a9c313dec9..297013c7618 100644
--- a/jablib/src/main/resources/l10n/JabRef_ar.properties
+++ b/jablib/src/main/resources/l10n/JabRef_ar.properties
@@ -590,6 +590,7 @@ Library=المكتبة
 
 
 
+
 
 
 Next\ library=المكتبة التالية
diff --git a/jablib/src/main/resources/l10n/JabRef_da.properties b/jablib/src/main/resources/l10n/JabRef_da.properties
index 097fb2f548c..a782b910648 100644
--- a/jablib/src/main/resources/l10n/JabRef_da.properties
+++ b/jablib/src/main/resources/l10n/JabRef_da.properties
@@ -847,6 +847,7 @@ Cannot\ use\ port\ %0\ for\ remote\ operation;\ another\ application\ may\ be\ u
 
 
 
+
 Existing\ file=Eksisterende fil
 
 
diff --git a/jablib/src/main/resources/l10n/JabRef_de.properties b/jablib/src/main/resources/l10n/JabRef_de.properties
index 703bd800e44..b8e5d61aac4 100644
--- a/jablib/src/main/resources/l10n/JabRef_de.properties
+++ b/jablib/src/main/resources/l10n/JabRef_de.properties
@@ -1833,6 +1833,7 @@ Cannot\ use\ port\ %0\ for\ remote\ operation;\ another\ application\ may\ be\ u
 Enable\ HTTP\ Server\ (e.g.,\ for\ JabMap)\ on\ port=HTTP Server (z.B. für JabMap) auf Port aktivieren
 HTTP\ Server=HTTP-Server
 
+
 Grobid\ URL=Grobid URL
 Allow\ sending\ PDF\ files\ and\ raw\ citation\ strings\ to\ a\ JabRef\ online\ service\ (Grobid)\ to\ determine\ Metadata.\ This\ produces\ better\ results.=Erlaube das Senden von PDF-Dateien und Rohzitaten an einen JabRef Online-Dienst (Grobid) um Metadaten zu ermitteln. Dies führt zu besseren Ergebnissen.
 Send\ to\ Grobid=An Grobid senden
diff --git a/jablib/src/main/resources/l10n/JabRef_el.properties b/jablib/src/main/resources/l10n/JabRef_el.properties
index 12187a1df1f..d6715ea5b62 100644
--- a/jablib/src/main/resources/l10n/JabRef_el.properties
+++ b/jablib/src/main/resources/l10n/JabRef_el.properties
@@ -1434,6 +1434,7 @@ Cannot\ use\ port\ %0\ for\ remote\ operation;\ another\ application\ may\ be\ u
 
 
 
+
 Proxy\ requires\ password=Ο διακομιστής μεσολάβησης απαιτεί κωδικό πρόσβασης
 Proxy\ configuration=Διαμόρφωση διακομιστή μεσολάβησης
 Use\ custom\ proxy\ configuration=Χρήση προσαρμοσμένων ρυθμίσεων του διακομιστή μεσολάβησης
diff --git a/jablib/src/main/resources/l10n/JabRef_es.properties b/jablib/src/main/resources/l10n/JabRef_es.properties
index 02c36e59dd8..a46d945daaa 100644
--- a/jablib/src/main/resources/l10n/JabRef_es.properties
+++ b/jablib/src/main/resources/l10n/JabRef_es.properties
@@ -1614,6 +1614,7 @@ Remote\ services=Servicios remotos
 Cannot\ use\ port\ %0\ for\ remote\ operation;\ another\ application\ may\ be\ using\ it.\ Try\ specifying\ another\ port.=No se puede usar el puerto %0 para operación remota\: Puede estar en uso por otra aplicación. Pruebe a especificar otro puerto.
 
 
+
 Allow\ sending\ PDF\ files\ and\ raw\ citation\ strings\ to\ a\ JabRef\ online\ service\ (Grobid)\ to\ determine\ Metadata.\ This\ produces\ better\ results.=Permitir enviar archivos PDF y cadenas de cita en bruto a un servicio en línea de JabRef (Grobid) para determinar los metadatos. Esto produce mejores resultados.
 
 Proxy\ requires\ password=El «proxy» requiere contraseña
diff --git a/jablib/src/main/resources/l10n/JabRef_fa.properties b/jablib/src/main/resources/l10n/JabRef_fa.properties
index 94f4dd5660f..4b261c8f11d 100644
--- a/jablib/src/main/resources/l10n/JabRef_fa.properties
+++ b/jablib/src/main/resources/l10n/JabRef_fa.properties
@@ -511,6 +511,7 @@ Unabbreviate\ journal\ names=برداشتن مخفف نام ژورنال‌ها
 
 
 
+
 
 
 Proxy\ requires\ password=پراکسی به رمز عبور نیاز دارد
diff --git a/jablib/src/main/resources/l10n/JabRef_fi.properties b/jablib/src/main/resources/l10n/JabRef_fi.properties
index cd56e0692b0..170c4e8bd40 100644
--- a/jablib/src/main/resources/l10n/JabRef_fi.properties
+++ b/jablib/src/main/resources/l10n/JabRef_fi.properties
@@ -461,6 +461,7 @@ About\ JabRef=Tietoja JabRef
 
 
 
+
 
 
 Proxy\ requires\ password=Välityspalvelin vaatii salasanan
diff --git a/jablib/src/main/resources/l10n/JabRef_fr.properties b/jablib/src/main/resources/l10n/JabRef_fr.properties
index 758458a1dec..ed6f7ddc2c5 100644
--- a/jablib/src/main/resources/l10n/JabRef_fr.properties
+++ b/jablib/src/main/resources/l10n/JabRef_fr.properties
@@ -1823,6 +1823,7 @@ Connect=Connexion automatique
 Connection\ error=Erreur de connexion
 Connection\ to\ %0\ server\ established.=Connexion au serveur %0 établie.
 Required\ field\ "%0"\ is\ empty.=Le champ requis « %0 » est vide.
+Optional\ field\ "%0"\ is\ empty.=Le champ optionnel "%0" est vide.
 %0\ driver\ not\ available.=Pilote %0 non disponible.
 The\ connection\ to\ the\ server\ has\ been\ terminated.=La connexion au serveur a été interrompue.
 Reconnect=Reconnexion
@@ -1857,6 +1858,9 @@ Cannot\ use\ port\ %0\ for\ remote\ operation;\ another\ application\ may\ be\ u
 Enable\ HTTP\ Server\ (e.g.,\ for\ JabMap)\ on\ port=Activer le serveur HTTP (par ex., pour JabMap) sur le port
 HTTP\ Server=Serveur HTTP
 
+Enable\ Language\ Server\ on\ port=Activer le serveur de langue sur le port
+Language\ Server=Serveur de langue
+
 Grobid\ URL=URL de Grobid
 Allow\ sending\ PDF\ files\ and\ raw\ citation\ strings\ to\ a\ JabRef\ online\ service\ (Grobid)\ to\ determine\ Metadata.\ This\ produces\ better\ results.=Autoriser l'envoi de fichiers PDF et de chaînes de citation brutes à un service en ligne de JabRef (Grobid) pour déterminer les métadonnées. Cela donne de meilleurs résultats.
 Send\ to\ Grobid=Envoyer à Grobid
diff --git a/jablib/src/main/resources/l10n/JabRef_id.properties b/jablib/src/main/resources/l10n/JabRef_id.properties
index 5b347f421c9..00d465ce6d5 100644
--- a/jablib/src/main/resources/l10n/JabRef_id.properties
+++ b/jablib/src/main/resources/l10n/JabRef_id.properties
@@ -1253,6 +1253,7 @@ Cannot\ use\ port\ %0\ for\ remote\ operation;\ another\ application\ may\ be\ u
 
 
 
+
 Proxy\ requires\ password=Proxy membutuhkan password
 Use\ custom\ proxy\ configuration=Gunakan konfigurasi proxy suaian
 Proxy\ requires\ authentication=Proxy memerlukan otentikasi
diff --git a/jablib/src/main/resources/l10n/JabRef_it.properties b/jablib/src/main/resources/l10n/JabRef_it.properties
index 2051fd18a1b..7a85237a05c 100644
--- a/jablib/src/main/resources/l10n/JabRef_it.properties
+++ b/jablib/src/main/resources/l10n/JabRef_it.properties
@@ -1818,6 +1818,7 @@ Connect=Connetto
 Connection\ error=Errore di connessione
 Connection\ to\ %0\ server\ established.=Connessione al server %0 stabilita.
 Required\ field\ "%0"\ is\ empty.=Il campo obbligatorio "%0" è vuoto.
+Optional\ field\ "%0"\ is\ empty.=Il campo obbligatorio "%0" è vuoto.
 %0\ driver\ not\ available.=Driver %0 non disponibile.
 The\ connection\ to\ the\ server\ has\ been\ terminated.=La connessione al server è stata interrotta.
 Reconnect=Riconnetto
@@ -1852,6 +1853,9 @@ Cannot\ use\ port\ %0\ for\ remote\ operation;\ another\ application\ may\ be\ u
 Enable\ HTTP\ Server\ (e.g.,\ for\ JabMap)\ on\ port=Abilita il server HTTP (es. per JabMap) sulla porta
 HTTP\ Server=Server HTTP
 
+Enable\ Language\ Server\ on\ port=Abilita il server di lingua sulla porta
+Language\ Server=Server Lingua
+
 Grobid\ URL=Url Grobid
 Allow\ sending\ PDF\ files\ and\ raw\ citation\ strings\ to\ a\ JabRef\ online\ service\ (Grobid)\ to\ determine\ Metadata.\ This\ produces\ better\ results.=Consenti l'invio di file PDF e stringhe di citazione grezze a un servizio online JabRef (Grobid) per determinare i metadati. Questo produce risultati migliori.
 Send\ to\ Grobid=Invia a Grobid
diff --git a/jablib/src/main/resources/l10n/JabRef_ja.properties b/jablib/src/main/resources/l10n/JabRef_ja.properties
index 769eb66901d..3dc65c3fbb8 100644
--- a/jablib/src/main/resources/l10n/JabRef_ja.properties
+++ b/jablib/src/main/resources/l10n/JabRef_ja.properties
@@ -1538,6 +1538,7 @@ Remote\ services=リモートサービス
 Cannot\ use\ port\ %0\ for\ remote\ operation;\ another\ application\ may\ be\ using\ it.\ Try\ specifying\ another\ port.=リモート操作用に%0ポートを使用することができません．別のアプリケーションが使用している可能性があります．別のポートを指定してみてください．
 
 
+
 Grobid\ URL=Grobid URL
 Allow\ sending\ PDF\ files\ and\ raw\ citation\ strings\ to\ a\ JabRef\ online\ service\ (Grobid)\ to\ determine\ Metadata.\ This\ produces\ better\ results.=JabRefのオンラインサービス (Grobid) にPDFファイルや生の文献文字列を送信してメタデータを決定できるようにしました．これにより，さらに良い結果を得ることができます．
 
diff --git a/jablib/src/main/resources/l10n/JabRef_ko.properties b/jablib/src/main/resources/l10n/JabRef_ko.properties
index 3ea5da39e58..62f4dbc7b87 100644
--- a/jablib/src/main/resources/l10n/JabRef_ko.properties
+++ b/jablib/src/main/resources/l10n/JabRef_ko.properties
@@ -1451,6 +1451,7 @@ Remote\ services=원격 서비스
 Cannot\ use\ port\ %0\ for\ remote\ operation;\ another\ application\ may\ be\ using\ it.\ Try\ specifying\ another\ port.=원격 작업에 포트 %0을 사용할 수 없습니다. 다른 응용 프로그램에서 사용 중일 수 있습니다. 다른 포트를 지정해 보십시오.
 
 
+
 Grobid\ URL=Grobid 주소(URL)
 Allow\ sending\ PDF\ files\ and\ raw\ citation\ strings\ to\ a\ JabRef\ online\ service\ (Grobid)\ to\ determine\ Metadata.\ This\ produces\ better\ results.=더 좋은 결과를 위해서 JabRef의 온라인 서비스(Grobid)에 전송한 PDF 파일과 인용 문구들이 메타데이터를 결정할 수 있도록 하세요.
 
diff --git a/jablib/src/main/resources/l10n/JabRef_nl.properties b/jablib/src/main/resources/l10n/JabRef_nl.properties
index 0a0cb15a5b0..a43930b30b4 100644
--- a/jablib/src/main/resources/l10n/JabRef_nl.properties
+++ b/jablib/src/main/resources/l10n/JabRef_nl.properties
@@ -1593,6 +1593,7 @@ Remote\ services=Externe services
 Cannot\ use\ port\ %0\ for\ remote\ operation;\ another\ application\ may\ be\ using\ it.\ Try\ specifying\ another\ port.=Kan poort %0 niet gebruiken voor bediening op afstand; een andere applicatie heeft deze mogelijk in gebruik. Probeer een andere poort op te geven.
 
 
+
 Grobid\ URL=Grobid URL
 Allow\ sending\ PDF\ files\ and\ raw\ citation\ strings\ to\ a\ JabRef\ online\ service\ (Grobid)\ to\ determine\ Metadata.\ This\ produces\ better\ results.=Sta het verzenden van PDF-bestanden en ruwe citaattekenreeksen toe aan een JabRef online service (Grobid) om Metadata te bepalen. Dit levert betere resultaten op.
 
diff --git a/jablib/src/main/resources/l10n/JabRef_no.properties b/jablib/src/main/resources/l10n/JabRef_no.properties
index 099f8d1436c..86a13099591 100644
--- a/jablib/src/main/resources/l10n/JabRef_no.properties
+++ b/jablib/src/main/resources/l10n/JabRef_no.properties
@@ -908,6 +908,7 @@ Cannot\ use\ port\ %0\ for\ remote\ operation;\ another\ application\ may\ be\ u
 
 
 
+
 Use\ SSL=Bruk SSL
 
 New\ technical\ report=Ny teknisk rapport
diff --git a/jablib/src/main/resources/l10n/JabRef_pl.properties b/jablib/src/main/resources/l10n/JabRef_pl.properties
index df306099ada..780300dae54 100644
--- a/jablib/src/main/resources/l10n/JabRef_pl.properties
+++ b/jablib/src/main/resources/l10n/JabRef_pl.properties
@@ -1450,6 +1450,7 @@ Remote\ operation=Zdalna operacja
 Cannot\ use\ port\ %0\ for\ remote\ operation;\ another\ application\ may\ be\ using\ it.\ Try\ specifying\ another\ port.=Nie można użyć portu %0 do zdalnej operacji; inna aplikacja może go używać. Spróbuj określić inny port.
 
 
+
 Send\ to\ Grobid=Wyślij do Grobid
 Do\ not\ send=Nie wysyłaj
 
diff --git a/jablib/src/main/resources/l10n/JabRef_pt.properties b/jablib/src/main/resources/l10n/JabRef_pt.properties
index 6f808f13b5b..bfdb79e8aa0 100644
--- a/jablib/src/main/resources/l10n/JabRef_pt.properties
+++ b/jablib/src/main/resources/l10n/JabRef_pt.properties
@@ -1169,6 +1169,7 @@ Cannot\ use\ port\ %0\ for\ remote\ operation;\ another\ application\ may\ be\ u
 
 
 
+
 Proxy\ requires\ password=Proxy requer senha
 Use\ custom\ proxy\ configuration=Usar configurações personalizadas de proxy
 
diff --git a/jablib/src/main/resources/l10n/JabRef_pt_BR.properties b/jablib/src/main/resources/l10n/JabRef_pt_BR.properties
index a43cb2e89f4..54dd0c1aa8a 100644
--- a/jablib/src/main/resources/l10n/JabRef_pt_BR.properties
+++ b/jablib/src/main/resources/l10n/JabRef_pt_BR.properties
@@ -1856,6 +1856,7 @@ Cannot\ use\ port\ %0\ for\ remote\ operation;\ another\ application\ may\ be\ u
 Enable\ HTTP\ Server\ (e.g.,\ for\ JabMap)\ on\ port=Habilitar o Servidor HTTP (ex.\: para JabMap) na porta
 HTTP\ Server=Servidor HTTP
 
+
 Grobid\ URL=URL Grobid
 Allow\ sending\ PDF\ files\ and\ raw\ citation\ strings\ to\ a\ JabRef\ online\ service\ (Grobid)\ to\ determine\ Metadata.\ This\ produces\ better\ results.=Permite enviar arquivos PDF e strings de citação bruta para um serviço JabRef on-line (Grobid) para determinar Metadados. Isto produz melhores resultados.
 Send\ to\ Grobid=Enviar para Grobid
diff --git a/jablib/src/main/resources/l10n/JabRef_ru.properties b/jablib/src/main/resources/l10n/JabRef_ru.properties
index 4f1f09f8200..356682ee62d 100644
--- a/jablib/src/main/resources/l10n/JabRef_ru.properties
+++ b/jablib/src/main/resources/l10n/JabRef_ru.properties
@@ -1541,6 +1541,7 @@ Remote\ services=Удаленные сервисы
 Cannot\ use\ port\ %0\ for\ remote\ operation;\ another\ application\ may\ be\ using\ it.\ Try\ specifying\ another\ port.=Невозможно использовать порт %0 для удаленного подключения; another application may be using it. Try specifying another port.
 
 
+
 Grobid\ URL=Grobid URL
 Allow\ sending\ PDF\ files\ and\ raw\ citation\ strings\ to\ a\ JabRef\ online\ service\ (Grobid)\ to\ determine\ Metadata.\ This\ produces\ better\ results.=Разрешить отправку PDF-файлов и цитат в онлайн сервис JabRef (Grobid) для определения метаданных. Это приводит к улучшению результатов.
 
diff --git a/jablib/src/main/resources/l10n/JabRef_sv.properties b/jablib/src/main/resources/l10n/JabRef_sv.properties
index e5542f0035f..556289003e4 100644
--- a/jablib/src/main/resources/l10n/JabRef_sv.properties
+++ b/jablib/src/main/resources/l10n/JabRef_sv.properties
@@ -1237,6 +1237,7 @@ Cannot\ use\ port\ %0\ for\ remote\ operation;\ another\ application\ may\ be\ u
 
 
 
+
 Proxy\ requires\ password=Proxyserver kräver lösenord
 Proxy\ configuration=Proxyinställning
 Use\ custom\ proxy\ configuration=Använd egen proxykonfiguration
diff --git a/jablib/src/main/resources/l10n/JabRef_tl.properties b/jablib/src/main/resources/l10n/JabRef_tl.properties
index 9438096a278..197e18f762e 100644
--- a/jablib/src/main/resources/l10n/JabRef_tl.properties
+++ b/jablib/src/main/resources/l10n/JabRef_tl.properties
@@ -1020,6 +1020,7 @@ Cannot\ use\ port\ %0\ for\ remote\ operation;\ another\ application\ may\ be\ u
 
 
 
+
 Use\ custom\ proxy\ configuration=Gumamit ng custom na proxy configuration
 Proxy\ requires\ authentication=Kinakailangan ng proxy ang pagpapatunay
 
diff --git a/jablib/src/main/resources/l10n/JabRef_tr.properties b/jablib/src/main/resources/l10n/JabRef_tr.properties
index 91c037a0327..a625655f019 100644
--- a/jablib/src/main/resources/l10n/JabRef_tr.properties
+++ b/jablib/src/main/resources/l10n/JabRef_tr.properties
@@ -1620,6 +1620,7 @@ Remote\ services=Uzak servisler
 Cannot\ use\ port\ %0\ for\ remote\ operation;\ another\ application\ may\ be\ using\ it.\ Try\ specifying\ another\ port.=Uzak operasyon için bağlantı noktası %0 kullanılamıyor; bir başka program kullanıyor olabilir. Başka bir bağlantı noktası deneyin.
 
 
+
 Grobid\ URL=Grobid URL
 Allow\ sending\ PDF\ files\ and\ raw\ citation\ strings\ to\ a\ JabRef\ online\ service\ (Grobid)\ to\ determine\ Metadata.\ This\ produces\ better\ results.=Metaverisini belirlemek için PDF dosyalarını ve ham atıf dizgelerini bir JabRef çevrim içi servisine (Grobid) göndermeye izin ver. Bu daha iyi sonuçlara yol açar.
 
diff --git a/jablib/src/main/resources/l10n/JabRef_uk.properties b/jablib/src/main/resources/l10n/JabRef_uk.properties
index 745c65a1c40..34ae0ac37e9 100644
--- a/jablib/src/main/resources/l10n/JabRef_uk.properties
+++ b/jablib/src/main/resources/l10n/JabRef_uk.properties
@@ -527,6 +527,7 @@ Current\ value\:\ %0=Поточне значення\: %0
 
 
 
+
 
 
 Proxy\ requires\ password=Потрібен пароль проксі-сервера
diff --git a/jablib/src/main/resources/l10n/JabRef_vi.properties b/jablib/src/main/resources/l10n/JabRef_vi.properties
index bb4b07a1d71..46fb2d197bb 100644
--- a/jablib/src/main/resources/l10n/JabRef_vi.properties
+++ b/jablib/src/main/resources/l10n/JabRef_vi.properties
@@ -877,6 +877,7 @@ Cannot\ use\ port\ %0\ for\ remote\ operation;\ another\ application\ may\ be\ u
 
 
 
+
 Migration\ help\ information=Thông tin trợ giúp dời chuyển
 However,\ a\ new\ database\ was\ created\ alongside\ the\ pre-3.6\ one.=Tuy nhiên, CSDL mới đã được tạo lập theo CSDL trước 3.6.
 
diff --git a/jablib/src/main/resources/l10n/JabRef_zh_CN.properties b/jablib/src/main/resources/l10n/JabRef_zh_CN.properties
index 1c30ea59b1d..3a08a140273 100644
--- a/jablib/src/main/resources/l10n/JabRef_zh_CN.properties
+++ b/jablib/src/main/resources/l10n/JabRef_zh_CN.properties
@@ -1773,6 +1773,7 @@ Remote\ services=远程服务
 Cannot\ use\ port\ %0\ for\ remote\ operation;\ another\ application\ may\ be\ using\ it.\ Try\ specifying\ another\ port.=无法使用端口 %0 进行远程操作;该端口可能被其它应用程序占用，请使用其它端口。
 
 
+
 Grobid\ URL=Grobid URL
 Allow\ sending\ PDF\ files\ and\ raw\ citation\ strings\ to\ a\ JabRef\ online\ service\ (Grobid)\ to\ determine\ Metadata.\ This\ produces\ better\ results.=允许将 PDF 文件和原始引用发送到JabRef在线服务（Grobid）以获取元数据
 Send\ to\ Grobid=发送到 Grobid
diff --git a/jablib/src/main/resources/l10n/JabRef_zh_TW.properties b/jablib/src/main/resources/l10n/JabRef_zh_TW.properties
index dda3047b0e0..407a6e6317d 100644
--- a/jablib/src/main/resources/l10n/JabRef_zh_TW.properties
+++ b/jablib/src/main/resources/l10n/JabRef_zh_TW.properties
@@ -796,6 +796,7 @@ Remote\ operation=遠端操作
 
 
 
+
 Proxy\ requires\ password=代理伺服器需要密碼
 Proxy\ configuration=代理伺服器設定
 Use\ custom\ proxy\ configuration=使用自訂代理伺服器