diff --git a/language/br_FR/admin.lang.php b/language/br_FR/admin.lang.php
index 2cba0c813..5ddcc66f7 100644
--- a/language/br_FR/admin.lang.php
+++ b/language/br_FR/admin.lang.php
@@ -656,7 +656,6 @@ $lang['Tag "%s" was added'] = 'Ar merker "%s" a zo bet ouzhpennet';
 $lang['User %s added'] = 'Implijer %s ouzhpennet';
 $lang['group "%s" added'] = 'strollad "%s" ouzhpennet';
 $lang['added'] = 'lakaet ouzhpenn';
-$lang['first photo added on %s'] = 'luc\'hskeudenn kentañ ouzhpennet d\'ar %s';
 $lang['user "%s" added'] = 'implijer "%s" ouzhpennet';
 $lang['Name of the duplicate'] = 'Anv an eilad';
 $lang['Tag "%s" is now a duplicate of "%s"'] = 'Merker "%s" a zo bremañ un eilad eus "%s"';
@@ -984,7 +983,6 @@ $lang['Select tags'] = 'Diuzit ar merkerioù';
 $lang['No filter on album. Select one or type to search'] = 'Sil ebet war ar rummad, diuzit unan pe skrivit evit klask';
 $lang['checksum'] = 'sammad kontroll';
 $lang['It only takes a few clicks.'] = 'Kemer a ra un nebeut klikoù hepken.';
-$lang['First photo added'] = 'Luc\'hskeudenn gentañ ouzhpennet';
 $lang['Display form'] = 'Diskouez ar furmskrid';
 $lang['Dashboard'] = 'Taolenn-stur';
 $lang['Confirm deletion'] = 'Kadarnaat an dilamadur';
@@ -1022,4 +1020,16 @@ $lang['%d photos'] = '%d luc\'hskeudenn';
 $lang[' (copy)'] = '(eilad)';
 $lang[' (copy %s)'] = '(eilad %s)';
 $lang['Search albums'] = 'Klask rummadoù';
-$lang['Show sub-albums'] = 'Diskouez an iz-rummadoù';
\ No newline at end of file
+$lang['Show sub-albums'] = 'Diskouez an iz-rummadoù';
+$lang['edit'] = 'aozañ';
+$lang['never calculated'] = 'morse jedet';
+$lang['no photo'] = 'skeudenn ebet';
+$lang['right now'] = 'diouzhtu';
+$lang['since the beginning'] = 'abaoe ar penn-kentañ';
+$lang['to'] = 'da';
+$lang['user_status_normal'] = 'Basic';
+$lang['was succesfully deleted'] = 'a zo bet dilamet gant berzh';
+$lang['logout'] = 'digevreañ';
+$lang['months ago'] = 'miz zo';
+$lang['move'] = 'fiñval';
+$lang['login'] = 'kevreañ';
\ No newline at end of file
diff --git a/language/ca_ES/admin.lang.php b/language/ca_ES/admin.lang.php
index 6cf8c8452..6e54d1b75 100644
--- a/language/ca_ES/admin.lang.php
+++ b/language/ca_ES/admin.lang.php
@@ -1424,4 +1424,17 @@ $lang['The comment has been validated.'] = 'El comentari s\'ha validat.';
 $lang['The comments have been validated.'] = 'Els comentaris s\'han validat.';
 $lang['There is currently %d photos in the lounge (upload buffer)'] = 'Actualment hi ha %d fotos al vestíbul (memòria temporal de pujada)';
 $lang['Use standard Piwigo template for common pages.'] = 'Utilitza la plantilla estàndard de Piwigo per a les pàgines comunes.';
-$lang['When enabled, a common template is used for the login, registration and forgotten password pages, regardless of the theme. Some themes might use these templates even if you uncheck this option'] = 'Quan s\'habilita, s\'utilitza una plantilla comú per a les pàgines d\'inici de sessió, de registre i de contrasenya oblidada, independentment del tema. És possible que alguns temes utilitzin aquestes plantilles fins i tot si es desactiva aquesta opció.';
\ No newline at end of file
+$lang['When enabled, a common template is used for the login, registration and forgotten password pages, regardless of the theme. Some themes might use these templates even if you uncheck this option'] = 'Quan s\'habilita, s\'utilitza una plantilla comú per a les pàgines d\'inici de sessió, de registre i de contrasenya oblidada, independentment del tema. És possible que alguns temes utilitzin aquestes plantilles fins i tot si es desactiva aquesta opció.';
+$lang['Admins only'] = 'Només administradors';
+$lang['Change logo'] = 'Canvia el logotip';
+$lang['Dark mode'] = 'Mode fosc';
+$lang['Display Gallery title'] = 'Mostra el títol de la galeria';
+$lang['Light mode'] = 'Mode clar';
+$lang['Personalization settings'] = 'Valors de personalització';
+$lang['Select a color theme for standard pages'] = 'Seleccioneu un tema de color per a les pàgines estàndard';
+$lang['Standard pages'] = 'Pàgines estàndard';
+$lang['Standard pages aren\'t activated, however you have %d active themes that will still use them. These themes are:'] = 'Les pàgines estàndard no estan activades, però teniu %d temes actius que les faran servir. Aquests temes són:';
+$lang['Standard pages header'] = 'Capçalera de pàgines estàndard';
+$lang['Use Piwigo logo'] = 'Utilitza el logotip de Piwigo';
+$lang['Use custom logo (png, jpeg or svg)'] = 'Utilitza un logotip personalitzat (png, jpeg o svg)';
+$lang['user_status_normal'] = 'Bàsic';
\ No newline at end of file
diff --git a/language/ca_ES/common.lang.php b/language/ca_ES/common.lang.php
index ff04b7f2d..b44e01756 100644
--- a/language/ca_ES/common.lang.php
+++ b/language/ca_ES/common.lang.php
@@ -526,4 +526,11 @@ $lang['Save your ID and secret'] = 'Deseu el vostre ID i secret';
 $lang['Secret copied. Keep it in a safe place.'] = 'Secret copiat. Manteniu-lo en lloc segur.';
 $lang['The secret will no longer be displayed. You must copy it to continue.'] = 'El secret ja no es mostrarà més. Heu de copiar-lo per continuar.';
 $lang['Verification code'] = 'Codi de verificació';
-$lang['Verify'] = 'Verifica';
\ No newline at end of file
+$lang['Verify'] = 'Verifica';
+$lang['Here is your verification code:'] = 'Aquí teniu el vostre codi de verificació:';
+$lang['If this wasn\'t you, please change your password immediately or contact your webmaster.'] = 'Si no sou vós, canvieu immediatament la contrasenya o poseu-vos en contacte amb l\'administrador.';
+$lang['If you changed your password because you think it was stolen, we recommend revoking your %d API keys <a href="%s">in your profile</a>.'] = 'Si heu canviat la contrasenya perquè creieu que us l\'han robada, us recomanem revocar les vostres %d claus d\'API <a href="%s">al vostre perfil</a>.';
+$lang['Too many attempts, please try later..'] = 'Massa intents, proveu més tard';
+$lang['Verification successful! You can now choose a new password.'] = 'La verificació ha tingut èxit. Podeu escollir una nova contrasenya.';
+$lang['Your verification code'] = 'El vostre codi de verificació';
+$lang['edit user preferences'] = 'Edita les preferències d\'usuari';
\ No newline at end of file
diff --git a/language/ca_ES/help_quick_search.lang.php b/language/ca_ES/help_quick_search.lang.php
new file mode 100644
index 000000000..4b36685f0
--- /dev/null
+++ b/language/ca_ES/help_quick_search.lang.php
@@ -0,0 +1,57 @@
+<?php
+// +-----------------------------------------------------------------------+
+// | This file is part of Piwigo.                                          |
+// |                                                                       |
+// | For copyright and license information, please view the COPYING.txt    |
+// | file that was distributed with this source code.                      |
+// +-----------------------------------------------------------------------+
+$lang['Add a dash (-) or NOT before a word to exclude from search. Note that NOT acts as a filtering operator so you cannot have a search containing only NOT operators. You cannot combine OR with NOT (john OR NOT bill is not valid)'] = 'Afegiu un guió (-) o NOT abans d\'una paraula per excloure-la de la cerca. Tingueu en compte que NOT actua com a operador de filtre, de manera que no podeu fer una cerca que contingui només operadors NOT. No podeu combinar OR amb NOT (és a dir, John OR NOT Bill no és vàlid)';
+$lang['Add an OR between words.'] = 'Afegeix un OR entre paraules.';
+$lang['Exact search'] = 'Cerca exacta';
+$lang['Exclude'] = 'Excloure';
+$lang['Grouping'] = 'Agrupació';
+$lang['Here is a list of actions you can perform:'] = 'Aquí teniu una llista de les accions disponibles:';
+$lang['OR inclusive'] = 'OR inclusiu';
+$lang['Others'] = 'Altres';
+$lang['Same principle as for'] = 'Mateix principi que per a';
+$lang['Search using extended syntax'] = 'Cerca mitjançant la sintaxi estesa';
+$lang['Searches by author.'] = 'Cerca per autor.';
+$lang['Searches by file name.'] = 'Cerca per nom de fitxer.';
+$lang['Searches for photos by number of views.'] = 'Cerca fotos per nombre de visualitzacions.';
+$lang['Searches only for photos with the given words in title or description.'] = 'Cerca només fotos amb les paraules donades al títol o descripció.';
+$lang['Searches only in tag names without looking at photo titles or descriptions.'] = 'Cerca només a les etiquetes sense mirar els títols ni les descripcions de les fotos.';
+$lang['Searches photos by file size.'] = 'Cerca fotos per mida del fitxer.';
+$lang['Searches photos by its numeric identifier in Piwigo.'] = 'Cerca fotos pel seu identificador numèric a Piwigo.';
+$lang['Searches photos by posted date.'] = 'Cerca fotos per data de publicació.';
+$lang['Searches photos by rating.'] = 'Cerca fotos per puntuació.';
+$lang['Searches photos by size in pixels.'] = 'Cerca fotos per mida en píxels.';
+$lang['Searches photos by taken date.'] = 'Cerca fotos per la data en què es van fer.';
+$lang['Searches photos by width/height ratio.'] = 'Cerca fotos per ràtio amplada/alçada.';
+$lang['Searches photos with a given width or height.'] = 'Busca fotos amb una amplada o alçada determinades.';
+$lang['Supported numeric operators'] = 'Operadors numèrics suportats';
+$lang['The quick search engine allows you to use boolean operators to refine your search. By default, the search applies to all keywords. Searches are not case sensitive.'] = 'El motor de cerca ràpida us permet utilitzar operadors booleans per refinar la cerca. Per defecte, la cerca s\'aplica a totes les paraules clau. Les cerques no distingeixen entre majúscules i minúscules.';
+$lang['These operators can be used with numeric fields such as'] = 'Aquests operadors es poden utilitzar amb camps numèrics com ara';
+$lang['Use quotes to search for an exact keyword or phrase.'] = 'Utilitzeu cometes per cercar una paraula clau o frase exacta.';
+$lang['With keywords'] = 'Amb paraules clau';
+$lang['between 10 and 100 (inclusive)'] = 'entre 10 i 100 (inclusivament)';
+$lang['equals 100'] = 'igual a 100';
+$lang['finds files between 1MB and 10MB.'] = 'troba fitxers entre 1MB i 10MB.';
+$lang['finds panoramas'] = 'cerca panorames';
+$lang['finds photo 123 to 126 (it may find between 0 and 4 photos, because photos can be deleted)'] = 'cerca les fotos de la número 123 a la 126 (pot trobar entre 0 i 4 fotos, perquè les fotos es poden suprimir)';
+$lang['finds photos from compact cameras in portrait or landscape modes'] = 'cerca fotos de càmeres compactes en mode retrat o paisatge';
+$lang['from 100 and above'] = 'a partir de 100';
+$lang['greater than 100'] = 'més gran que 100';
+$lang['less than 100'] = 'menor que 100';
+$lang['photos after Jan 1st 2008'] = 'fotos posteriors a l\'1 de gener de 2008';
+$lang['photos from 2003 to 2008'] = 'fotos del 2003 al 2008';
+$lang['photos from may 2003'] = 'fotos de maig de 2003';
+$lang['photos posted in 2003'] = 'fotos publicades el 2003';
+$lang['photos taken in 2003'] = 'fotos fetes el 2003';
+$lang['return photos less than 700px high'] = 'fotos de menys de 700px d\'alçada';
+$lang['return photos wider than 500px'] = 'fotos més amples de 500px';
+$lang['return photos with at least 1,000 views'] = 'retorna fotos amb almenys 1000 visites';
+$lang['returns photos of 12 megapixels or more'] = 'retorna fotos de 12 megapíxels o més';
+$lang['returns photos of 5 megapixels'] = 'retorna fotos de 5 megapíxels';
+$lang['up to 100 (inclusive)'] = 'fins a 100 (inclòs)';
+$lang['will give you all photos with at least one note.'] = 'us donarà totes les fotos amb almenys una nota.';
+$lang['will give you photos without notes.'] = 'us donarà les fotos sense notes.';
\ No newline at end of file
diff --git a/language/ca_ES/whats_new_16.lang.php b/language/ca_ES/whats_new_16.lang.php
new file mode 100644
index 000000000..e3899c4e7
--- /dev/null
+++ b/language/ca_ES/whats_new_16.lang.php
@@ -0,0 +1,10 @@
+<?php
+// +-----------------------------------------------------------------------+
+// | This file is part of Piwigo.                                          |
+// |                                                                       |
+// | For copyright and license information, please view the COPYING.txt    |
+// | file that was distributed with this source code.                      |
+// +-----------------------------------------------------------------------+
+$lang['Brand new login & preferences with Standard pages !'] = 'Pàgina d\'inici de sessió totalment nova i preferències amb pàgines estàndard!';
+$lang['Two factor authentication is here'] = 'Ja tenim aquí l\'autenticació de dos factors';
+$lang['UI redesigns that make a difference'] = 'Redissenys de l\'interfície d\'usuari que marquen la diferència';
\ No newline at end of file
diff --git a/language/da_DK/admin.lang.php b/language/da_DK/admin.lang.php
index 2a824e6b8..337110a6a 100644
--- a/language/da_DK/admin.lang.php
+++ b/language/da_DK/admin.lang.php
@@ -1419,4 +1419,15 @@ $lang['There is currently %d photos in the lounge (upload buffer)'] = 'Der er i
 $lang['Use standard Piwigo template for common pages.'] = 'Anvend Piwigos standardskabelon til fællessider';
 $lang['When enabled, a common template is used for the login, registration and forgotten password pages, regardless of the theme. Some themes might use these templates even if you uncheck this option'] = 'Når aktiveret, anvendes en fælles skabelon til siderne login, kontooprettelse og glemt adgangskode, uanset om der er et tema eller ej. Nogle temaer kan anvende disse skabeloner, selv hvis du fravælger muligheden her.';
 $lang['Admins only'] = 'Kun administratorer';
-$lang['user_status_normal'] = 'Grundlæggende';
\ No newline at end of file
+$lang['user_status_normal'] = 'Grundlæggende';
+$lang['Change logo'] = 'Skift logo';
+$lang['Dark mode'] = 'Mørk tilstand';
+$lang['Display Gallery title'] = 'Vis gallerititel';
+$lang['Light mode'] = 'Lys tilstand';
+$lang['Personalization settings'] = 'Personaliseringsindstillinger';
+$lang['Select a color theme for standard pages'] = 'Vælg et farvetema for standardsider';
+$lang['Standard pages'] = 'Standardsider';
+$lang['Standard pages aren\'t activated, however you have %d active themes that will still use them. These themes are:'] = 'Standardsider er ikke aktiveret, men du har %d aktive temaer, som stadig vil benytte dem. Temaerne er:';
+$lang['Standard pages header'] = 'Standardsiders header';
+$lang['Use Piwigo logo'] = 'Anvend Piwigo-logo';
+$lang['Use custom logo (png, jpeg or svg)'] = 'Anvend eget logo (png, jpeg eller svg)';
\ No newline at end of file
diff --git a/language/de_DE/admin.lang.php b/language/de_DE/admin.lang.php
index e82cc056c..f5cbb06de 100644
--- a/language/de_DE/admin.lang.php
+++ b/language/de_DE/admin.lang.php
@@ -1420,4 +1420,15 @@ $lang['%d photos were moved from the upload lounge to their albums'] = '%d Fotos
 $lang['Are you sure you want to delete "%d" comments?'] = 'Möchten Sie wirklich „%d“ Kommentare löschen?';
 $lang['Are you sure you want to delete comment #%s?'] = 'Möchten Sie den Kommentar #%s wirklich löschen?';
 $lang['Admins only'] = 'Nur für Administratoren';
-$lang['user_status_normal'] = 'Grundlegend';
\ No newline at end of file
+$lang['user_status_normal'] = 'Grundlegend';
+$lang['Standard pages header'] = 'Kopfzeile für Standardseiten';
+$lang['Use Piwigo logo'] = 'Piwigo-Logo verwenden';
+$lang['Use custom logo (png, jpeg or svg)'] = 'Benutzerdefiniertes Logo verwenden (png, jpeg oder svg)';
+$lang['Personalization settings'] = 'Personalisierungseinstellungen';
+$lang['Select a color theme for standard pages'] = 'Wählen Sie ein Farbschema für Standardseiten aus.';
+$lang['Standard pages'] = 'Standardseiten';
+$lang['Standard pages aren\'t activated, however you have %d active themes that will still use them. These themes are:'] = 'Standardseiten sind nicht aktiviert, jedoch haben Sie %d aktive Designs, die diese weiterhin verwenden werden. Diese Designs sind:';
+$lang['Change logo'] = 'Logo ändern';
+$lang['Dark mode'] = 'Dunkler Modus';
+$lang['Display Gallery title'] = 'Titel der Galerie anzeigen';
+$lang['Light mode'] = 'Hellmodus';
\ No newline at end of file
diff --git a/language/el_GR/admin.lang.php b/language/el_GR/admin.lang.php
index 4a3e72cca..3a9f82585 100644
--- a/language/el_GR/admin.lang.php
+++ b/language/el_GR/admin.lang.php
@@ -1415,4 +1415,16 @@ $lang['Use standard Piwigo template for common pages.'] = 'Χρησιμοποί
 $lang['We have found %d duplicate paths. Details provided by plugin Check Uploads'] = 'Βρήκαμε %d διπλότυπες διαδρομές. Λεπτομέρειες παρήχθησαν από το πρόσθετο "Check Uploads"';
 $lang['When enabled, a common template is used for the login, registration and forgotten password pages, regardless of the theme. Some themes might use these templates even if you uncheck this option'] = 'Όταν είναι ενεργοποιημένο, ένας κοινός σχηματισμός χρησιμοποιείται για τις σελίδες σύνδεσης, εγγραφής και ξεχασμένου κωδικού, ανεξάρτητα από το θέμα. Μερικά θέματα μπορεί να χρησιμοποιήσουν αυτούς τους σχηματισμούς ακόμη και αν αποεπιλέξετε αυτή την επιλογή';
 $lang['Admins only'] = 'Μόνον διαχειριστές';
-$lang['user_status_normal'] = 'Βασικό';
\ No newline at end of file
+$lang['user_status_normal'] = 'Βασικό';
+$lang['Change logo'] = 'Άλλαξε το λογότυπο';
+$lang['Dark mode'] = 'Σκούρα ρύθμιση';
+$lang['Display Gallery title'] = 'Δείξε τον τίτλο της πινακοθήκης';
+$lang['Light mode'] = 'Ανοιχτόχρωμη ρύθμιση';
+$lang['Personalization settings'] = 'Προσωπικές ρυθμίσεις';
+$lang['Select a color theme for standard pages'] = 'Επιλέξτε ένα συνδυασμό χρώματος για τις τυπικές σελίδες';
+$lang['Standard pages'] = 'Τυπικές σελίδες';
+$lang['Standard pages aren\'t activated, however you have %d active themes that will still use them. These themes are:'] = 'Οι τυπικές σελίδες δεν είναι ενεργοποιημένες, όμως έχετε %d ενεργά θέματα που θα τις χρησιμοποιήσουν.
+Αυτά τα θέματα είναι:';
+$lang['Standard pages header'] = 'Επικεφαλίδα τυπικών σελίδων';
+$lang['Use Piwigo logo'] = 'Χρησιμοποίησε το λογότυπο του Piwigo';
+$lang['Use custom logo (png, jpeg or svg)'] = 'Χρησιμοποίησε λογότυπο δικής σου επιλογής (png, jpeg ή svg)';
\ No newline at end of file
diff --git a/language/es_ES/admin.lang.php b/language/es_ES/admin.lang.php
index 12f288d6b..57b2a6882 100644
--- a/language/es_ES/admin.lang.php
+++ b/language/es_ES/admin.lang.php
@@ -1413,4 +1413,17 @@ $lang['The comments have been validated.'] = 'Los comentarios se han validado.';
 $lang['There is currently %d photos in the lounge (upload buffer)'] = 'Actualmente hay %d fotos en el vestíbulo (memoria temporal de subida)';
 $lang['Use standard Piwigo template for common pages.'] = 'Utilizar la plantilla estándar de Piwigo para las páginas comunes.';
 $lang['We have found %d duplicate paths. Details provided by plugin Check Uploads'] = 'Hemos encontrado %d vías de acceso duplicadas. Los detalles los proporciona el plugin Check Uploads (Comprobar Subidas)';
-$lang['When enabled, a common template is used for the login, registration and forgotten password pages, regardless of the theme. Some themes might use these templates even if you uncheck this option'] = 'Cuando se habilita, se utiliza una plantilla común para las páginas de inicio de sesión, de registro y de contraseña olvidada, independientemente del tema. Es posible que algunos temas utilicen esas plantillas incluso si se desactiva esta opción.';
\ No newline at end of file
+$lang['When enabled, a common template is used for the login, registration and forgotten password pages, regardless of the theme. Some themes might use these templates even if you uncheck this option'] = 'Cuando se habilita, se utiliza una plantilla común para las páginas de inicio de sesión, de registro y de contraseña olvidada, independientemente del tema. Es posible que algunos temas utilicen esas plantillas incluso si se desactiva esta opción.';
+$lang['Admins only'] = 'Sólo administradores';
+$lang['Change logo'] = 'Cambiar el logotipo';
+$lang['Dark mode'] = 'Modo oscuro';
+$lang['Display Gallery title'] = 'Mostrar el título de la galería';
+$lang['Light mode'] = 'Modo claro';
+$lang['Personalization settings'] = 'Valores de personalización';
+$lang['Select a color theme for standard pages'] = 'Seleccione un tema de color para las páginas estándar';
+$lang['Standard pages'] = 'Páginas estándar';
+$lang['Standard pages aren\'t activated, however you have %d active themes that will still use them. These themes are:'] = 'Las páginas estándar no están activadas; sin embargo, tiene %d temas activos que las utilizarán. Estos temas son:';
+$lang['Standard pages header'] = 'Cabecera de páginas estándar';
+$lang['Use Piwigo logo'] = 'Usar el logo de Piwigo';
+$lang['Use custom logo (png, jpeg or svg)'] = 'Usar un logo personalizado (png, jpeg o svg)';
+$lang['user_status_normal'] = 'Básico';
\ No newline at end of file
diff --git a/language/es_ES/common.lang.php b/language/es_ES/common.lang.php
index 89289f343..42b92a59f 100644
--- a/language/es_ES/common.lang.php
+++ b/language/es_ES/common.lang.php
@@ -535,4 +535,11 @@ $lang['Save your ID and secret'] = 'Guarde su ID y secreto';
 $lang['Secret copied. Keep it in a safe place.'] = 'Secreto copiado. Manténgalo en lugar seguro.';
 $lang['The secret will no longer be displayed. You must copy it to continue.'] = 'El secreto ya no se mostrará más. Debe copiarlo para continuar.';
 $lang['Verification code'] = 'Código de verificación';
-$lang['Verify'] = 'Verificar';
\ No newline at end of file
+$lang['Verify'] = 'Verificar';
+$lang['Here is your verification code:'] = 'Aquí tiene su código de verificación:';
+$lang['If this wasn\'t you, please change your password immediately or contact your webmaster.'] = 'Si no es usted, cambie inmediatamente su contraseña o póngase en contacto con el administrador.';
+$lang['If you changed your password because you think it was stolen, we recommend revoking your %d API keys <a href="%s">in your profile</a>.'] = 'Si ha cambiado su contraseña porque cree que se la han robado, le recomendamos revocar sus %d claves de API <a href="%s">en su perfil</a>.';
+$lang['Too many attempts, please try later..'] = 'Demasiados intentos, pruebe más tarde.';
+$lang['Verification successful! You can now choose a new password.'] = 'La verificación ha tenido éxito. Puede elegir una nueva contraseña.';
+$lang['Your verification code'] = 'Su código de verificación';
+$lang['edit user preferences'] = 'Editar las preferencias de usuario';
\ No newline at end of file
diff --git a/language/es_ES/help_quick_search.lang.php b/language/es_ES/help_quick_search.lang.php
new file mode 100644
index 000000000..9c08db5f0
--- /dev/null
+++ b/language/es_ES/help_quick_search.lang.php
@@ -0,0 +1,57 @@
+<?php
+// +-----------------------------------------------------------------------+
+// | This file is part of Piwigo.                                          |
+// |                                                                       |
+// | For copyright and license information, please view the COPYING.txt    |
+// | file that was distributed with this source code.                      |
+// +-----------------------------------------------------------------------+
+$lang['Add a dash (-) or NOT before a word to exclude from search. Note that NOT acts as a filtering operator so you cannot have a search containing only NOT operators. You cannot combine OR with NOT (john OR NOT bill is not valid)'] = 'Añada un guión (-) o NOT antes de una palabra para excluirla de la búsqueda. Tenga en cuenta que NOT actúa como operador de filtro, de modo que no puede realizar una búsqueda que contenga solamente operadores NOT. No puede combinar OR con NOT (es decir, John OR NOT Bill no es válido)';
+$lang['Add an OR between words.'] = 'Añadir un OR entre palabras.';
+$lang['Exact search'] = 'Búsqueda exacta';
+$lang['Exclude'] = 'Excluir';
+$lang['Grouping'] = 'Agrupación';
+$lang['Here is a list of actions you can perform:'] = 'Aquí tiene una lista de las acciones disponibles:';
+$lang['OR inclusive'] = 'OR inclusivo';
+$lang['Others'] = 'Otros';
+$lang['Same principle as for'] = 'Mismo principio que para';
+$lang['Search using extended syntax'] = 'Búsqueda mediante la sintaxis extendida';
+$lang['Searches by author.'] = 'Busca por autor.';
+$lang['Searches by file name.'] = 'Busca por nombre de archivo.';
+$lang['Searches for photos by number of views.'] = 'Busca fotos por número de visualizaciones.';
+$lang['Searches only for photos with the given words in title or description.'] = 'Busca solamente fotos con las palabras dadas en el título o descripción.';
+$lang['Searches only in tag names without looking at photo titles or descriptions.'] = 'Busca solamente en las etiquetas sin mirar los títulos ni las descripciones de fotos.';
+$lang['Searches photos by file size.'] = 'Busca fotos por tamaño de archivo.';
+$lang['Searches photos by its numeric identifier in Piwigo.'] = 'Busca fotos por su identificador numérico en Piwigo.';
+$lang['Searches photos by posted date.'] = 'Busca fotos por fecha de publicación.';
+$lang['Searches photos by rating.'] = 'Busca fotos por puntuación.';
+$lang['Searches photos by size in pixels.'] = 'Busca fotos por tamaño en píxels.';
+$lang['Searches photos by taken date.'] = 'Busca fotos por la fecha en que se tomaron.';
+$lang['Searches photos by width/height ratio.'] = 'Busca fotos por ratio anchura/altura.';
+$lang['Searches photos with a given width or height.'] = 'Busca fotos con una anchura o altura determinadas.';
+$lang['Supported numeric operators'] = 'Operadores numéricos soportados';
+$lang['The quick search engine allows you to use boolean operators to refine your search. By default, the search applies to all keywords. Searches are not case sensitive.'] = 'El motor de búsqueda rápida le permite utilizar operadores booleanos para refinar la búsqueda. Por omisión, la búsqueda se aplica a todas las palabras clave. Las búsquedas no distinguen entre mayúsculas y minúsculas.';
+$lang['These operators can be used with numeric fields such as'] = 'Estos operadores pueden usarse con campos numéricos tales como';
+$lang['Use quotes to search for an exact keyword or phrase.'] = 'Utilice comillas para buscar una palabra clave o frase exacta.';
+$lang['With keywords'] = 'Con palabras clave';
+$lang['between 10 and 100 (inclusive)'] = 'entre 10 y 100 (inclusive)';
+$lang['equals 100'] = 'igual a 100';
+$lang['finds files between 1MB and 10MB.'] = 'encuentra archivos entre 1MB y 10MB.';
+$lang['finds panoramas'] = 'busca panoramas';
+$lang['finds photo 123 to 126 (it may find between 0 and 4 photos, because photos can be deleted)'] = 'busca las fotos de la número 123 a la 126 (puede encontrar entre 0 y 4 fotos, porque las fotos se pueden suprimir)';
+$lang['finds photos from compact cameras in portrait or landscape modes'] = 'busca fotos de cámaras compactas en modo retrato o paisaje';
+$lang['from 100 and above'] = 'a partir de 100';
+$lang['greater than 100'] = 'mayor que 100';
+$lang['less than 100'] = 'menor que 100';
+$lang['photos after Jan 1st 2008'] = 'fotos posteriores al 1 de enero de 2008';
+$lang['photos from 2003 to 2008'] = 'fotos de 2003 a 2008';
+$lang['photos from may 2003'] = 'fotos de mayo de 2003';
+$lang['photos posted in 2003'] = 'fotos publicadas en 2003';
+$lang['photos taken in 2003'] = 'fotos tomadas en 2003';
+$lang['return photos less than 700px high'] = 'fotos de menos de 700px de altura';
+$lang['return photos wider than 500px'] = 'fotos más anchas de 500px';
+$lang['return photos with at least 1,000 views'] = 'devuelve fotos con al menos 1000 visitas';
+$lang['returns photos of 12 megapixels or more'] = 'devuelve fotos de 12 megapíxels o más';
+$lang['returns photos of 5 megapixels'] = 'devuelve fotos de 5 megapíxels';
+$lang['up to 100 (inclusive)'] = 'hasta 100 (incluido)';
+$lang['will give you all photos with at least one note.'] = 'le dará todas las fotos con al menos una nota.';
+$lang['will give you photos without notes.'] = 'le dará fotos sin notas.';
\ No newline at end of file
diff --git a/language/es_ES/whats_new_16.lang.php b/language/es_ES/whats_new_16.lang.php
new file mode 100644
index 000000000..e08a678d7
--- /dev/null
+++ b/language/es_ES/whats_new_16.lang.php
@@ -0,0 +1,10 @@
+<?php
+// +-----------------------------------------------------------------------+
+// | This file is part of Piwigo.                                          |
+// |                                                                       |
+// | For copyright and license information, please view the COPYING.txt    |
+// | file that was distributed with this source code.                      |
+// +-----------------------------------------------------------------------+
+$lang['Brand new login & preferences with Standard pages !'] = '¡Página de inicio de sesión totalmente nueva y preferencias con páginas estándar!';
+$lang['Two factor authentication is here'] = 'Ha llegado la autenticación de dos factores';
+$lang['UI redesigns that make a difference'] = 'Rediseños de la interfaz de usuario que marcan la diferencia';
\ No newline at end of file
diff --git a/language/fa_IR/help_quick_search.lang.php b/language/fa_IR/help_quick_search.lang.php
new file mode 100644
index 000000000..e11c421b3
--- /dev/null
+++ b/language/fa_IR/help_quick_search.lang.php
@@ -0,0 +1,27 @@
+<?php
+// +-----------------------------------------------------------------------+
+// | This file is part of Piwigo.                                          |
+// |                                                                       |
+// | For copyright and license information, please view the COPYING.txt    |
+// | file that was distributed with this source code.                      |
+// +-----------------------------------------------------------------------+
+$lang['Searches photos by size in pixels.'] = 'جستجوی عکس  بر اساس اندازه پیکسل';
+$lang['Searches photos by rating.'] = 'جستجو عکس بر اساس رتبه';
+$lang['Searches photos by posted date.'] = 'جستجوی  عکس بر اساس  زمان ارسال';
+$lang['Searches only in tag names without looking at photo titles or descriptions.'] = '.فقط در نام برچسب‌ها جستجو می‌کند و به عناوین یا توضیحات عکس‌ها نگاه نمی‌کند';
+$lang['Searches photos by its numeric identifier in Piwigo.'] = 'جستجو می‌کند  Piwigoعکس را بر اساس شناسه عددی در  ';
+$lang['Searches photos by file size.'] = ' جستجو بر اساس اندازه فایل';
+$lang['Searches only for photos with the given words in title or description.'] = '.فقط عکس‌هایی را جستجو می‌کند  که کلمات داده شده در عنوان یا توضیحات آنها ذکر شده باشد';
+$lang['Searches for photos by number of views.'] = 'جستجو برای  عکس  بر اساس تعداد نمایش';
+$lang['Searches by file name.'] = 'بر اساس نام فایل جستجو‌کن';
+$lang['Searches by author.'] = 'جستجو‌ بر اساس نویسنده ';
+$lang['Search using extended syntax'] = 'استفاده جستجوی پیشرفته';
+$lang['Others'] = 'دیگران';
+$lang['Same principle as for'] = 'همان قاعده ای برای ';
+$lang['OR inclusive'] = 'یا شامل';
+$lang['Here is a list of actions you can perform:'] = 'اینجا یه لیست از کارهایی که می‌تونی انجام بدی';
+$lang['Grouping'] = 'دسته بندی';
+$lang['Exclude'] = ' مستثنی کردن';
+$lang['Exact search'] = ' جستجوی دقیق';
+$lang['Add an OR between words.'] = ' بین کلمه ها اضافه کنOR';
+$lang['Add a dash (-) or NOT before a word to exclude from search. Note that NOT acts as a filtering operator so you cannot have a search containing only NOT operators. You cannot combine OR with NOT (john OR NOT bill is not valid)'] = 'برای حذف یک کلمه از جستجو، قبل از آن یک خط تیره (-) یا NOT اضافه کنید. توجه داشته باشید که NOT به عنوان یک عملگر فیلتر عمل می‌کند، بنابراین نمی‌توانید جستجویی داشته باشید که فقط شامل عملگرهای NOT باشد. نمی‌توانید OR را با NOT ترکیب کنید (john OR NOT bill معتبر نیست).';
\ No newline at end of file
diff --git a/language/fr_CA/admin.lang.php b/language/fr_CA/admin.lang.php
index 89a889e1b..b4e65612c 100644
--- a/language/fr_CA/admin.lang.php
+++ b/language/fr_CA/admin.lang.php
@@ -1021,4 +1021,8 @@ $lang['%d tag moved'] = '%d mot-clé déplacé';
 $lang['Cannot send an email to this user because he doesn\'t have an email address'] = 'Impossible d\'envoyer un courriel à cet utilisateur car il n\'a pas d\'adresse courriel';
 $lang['%d photos were moved from the upload lounge to their albums'] = '%d photos ont été déplacées de la salle d\'attente vers leurs albums respectifs';
 $lang['Empty lounge'] = 'Vide la salle d\'attente';
-$lang['There is currently %d photos in the lounge (upload buffer)'] = 'Il y a actuellement %d photos dans salle d\'attente des transferts (lounge)';
\ No newline at end of file
+$lang['There is currently %d photos in the lounge (upload buffer)'] = 'Il y a actuellement %d photos dans salle d\'attente des transferts (lounge)';
+$lang['Light mode'] = 'Mode clair';
+$lang['Select a color theme for standard pages'] = 'Choisissez un jeu de couleurs pour les pages standards';
+$lang['Standard pages'] = 'Pages standards';
+$lang['Standard pages aren\'t activated, however you have %d active themes that will still use them. These themes are:'] = 'Les pages standards ne sont pas activées, mais vous avez %d thèmes actifs qui les utiliseront. Ces thèmes sont :';
\ No newline at end of file
diff --git a/language/he_IL/admin.lang.php b/language/he_IL/admin.lang.php
index c0fa787c7..33ae694a1 100644
--- a/language/he_IL/admin.lang.php
+++ b/language/he_IL/admin.lang.php
@@ -1420,4 +1420,15 @@ $lang['There is currently %d photos in the lounge (upload buffer)'] = 'כרגע
 $lang['Use standard Piwigo template for common pages.'] = 'השתמש בתבנית פיוויגו הסטנדרטית לדפים משותפים.';
 $lang['When enabled, a common template is used for the login, registration and forgotten password pages, regardless of the theme. Some themes might use these templates even if you uncheck this option'] = 'כאשר מופעל, תבנית משותפת משמשת לדפי התחברות, הרשמה ושחזור סיסמה, ללא קשר לערכת הנושא. ייתכן שחלק מהערכות ישתמשו בתבניות אלו גם אם אתה מבטל את האפשרות הזו.';
 $lang['Admins only'] = 'רק מנהלים';
-$lang['user_status_normal'] = 'בסיסי';
\ No newline at end of file
+$lang['user_status_normal'] = 'בסיסי';
+$lang['Change logo'] = 'שנה לוגו';
+$lang['Dark mode'] = 'מצב כהה';
+$lang['Display Gallery title'] = 'הצג כותרת גלריה';
+$lang['Light mode'] = 'מצב בהיר';
+$lang['Personalization settings'] = 'הגדרות התאמה אישית';
+$lang['Select a color theme for standard pages'] = 'בחר ערכת צבעים עבור דפים רגילים';
+$lang['Standard pages'] = 'דפים רגילים';
+$lang['Standard pages aren\'t activated, however you have %d active themes that will still use them. These themes are:'] = 'דפים רגילים אינם מופעלים, אך יש לך %d ערכות נושא פעילות שעדיין ישתמשו בהם. ערכות הנושא הללו הן:';
+$lang['Standard pages header'] = 'כותרת דפים רגילים';
+$lang['Use Piwigo logo'] = 'השתמש בלוגו של Piwigo';
+$lang['Use custom logo (png, jpeg or svg)'] = 'השתמש בלוגו מותאם (png, jpeg או svg)';
\ No newline at end of file
diff --git a/language/is_IS/admin.lang.php b/language/is_IS/admin.lang.php
index 7082f0279..6d3d55e21 100755
--- a/language/is_IS/admin.lang.php
+++ b/language/is_IS/admin.lang.php
@@ -1411,4 +1411,15 @@ $lang['There is currently %d photos in the lounge (upload buffer)'] = 'Núna eru
 $lang['Use standard Piwigo template for common pages.'] = 'Notið staðlað Piwigo sniðmát fyrir algengar síður.';
 $lang['When enabled, a common template is used for the login, registration and forgotten password pages, regardless of the theme. Some themes might use these templates even if you uncheck this option'] = 'Þegar þetta er virkjað er sameiginlegt sniðmát notað fyrir síðurnar innskráning, skráning og gleymd lykilorð óháð þema. Sum þemu gætu notað þessi sniðmát jafnvel þótt þú hakir ekki við þennan valkost.';
 $lang['Admins only'] = 'Aðeins stjórnendur';
-$lang['user_status_normal'] = 'Grunnatriði';
\ No newline at end of file
+$lang['user_status_normal'] = 'Grunnatriði';
+$lang['Change logo'] = 'Breyta lógói';
+$lang['Dark mode'] = 'Dökk stilling';
+$lang['Display Gallery title'] = 'Sýna titil gallerísins';
+$lang['Light mode'] = 'Ljós stilling';
+$lang['Personalization settings'] = 'Sérstillingar';
+$lang['Select a color theme for standard pages'] = 'Veldu litaþema fyrir staðlaðar síður';
+$lang['Standard pages'] = 'Staðlaðar síður';
+$lang['Standard pages aren\'t activated, however you have %d active themes that will still use them. These themes are:'] = 'Staðlaðar síður eru ekki virkjaðar, en þú ert með %d virk þema/-u sem munu samt nota þær. Þessi þemu eru:';
+$lang['Standard pages header'] = 'Haus fyrir staðlaðar síður';
+$lang['Use Piwigo logo'] = 'Nota Piwigo lógóið';
+$lang['Use custom logo (png, jpeg or svg)'] = 'Notið sérsniðið lógó (png, jpeg eða svg)';
\ No newline at end of file
diff --git a/language/it_IT/admin.lang.php b/language/it_IT/admin.lang.php
index c8063274f..59c0ec15f 100644
--- a/language/it_IT/admin.lang.php
+++ b/language/it_IT/admin.lang.php
@@ -1418,4 +1418,15 @@ $lang['Save all photos'] = 'Salva tutte le foto';
 $lang['No comments selected, no actions possible.'] = 'Nessun commento selezionato, nessuna azione possibile.';
 $lang['Are you sure you want to delete comment #%s?'] = 'Sei sicuro di voler eliminare il commento #%s?';
 $lang['Are you sure you want to delete "%d" comments?'] = 'Sei sicuro di voler eliminare "%d" commenti?';
-$lang['Admins only'] = 'Solo amministratori';
\ No newline at end of file
+$lang['Admins only'] = 'Solo amministratori';
+$lang['Change logo'] = 'Cambio logo';
+$lang['Dark mode'] = 'Modalità scura';
+$lang['Display Gallery title'] = 'Mostra il titolo della galleria';
+$lang['Light mode'] = 'Modalità chiara';
+$lang['Personalization settings'] = 'Impostazioni personalizzate';
+$lang['Select a color theme for standard pages'] = 'Seleziona una colorazione tematica per le pagine standard';
+$lang['Standard pages'] = 'Pagine standard';
+$lang['Standard pages aren\'t activated, however you have %d active themes that will still use them. These themes are:'] = 'Le pagine standard non sono attivate, comunque hai %d temi attivi che ancora le utilizzeranno. Tali temi sono:';
+$lang['Standard pages header'] = 'Intestazione delle pagine standard';
+$lang['Use Piwigo logo'] = 'Utilizza il logo di Piwigo';
+$lang['Use custom logo (png, jpeg or svg)'] = 'Utilizza logo personalizzato (png, jpeg o svg)';
\ No newline at end of file
diff --git a/language/nb_NO/admin.lang.php b/language/nb_NO/admin.lang.php
index c2f2f713e..f3108600d 100644
--- a/language/nb_NO/admin.lang.php
+++ b/language/nb_NO/admin.lang.php
@@ -1414,4 +1414,15 @@ $lang['Use standard Piwigo template for common pages.'] = 'Bruk standard Piwigo-
 $lang['We have found %d duplicate paths. Details provided by plugin Check Uploads'] = 'Vi har funnet %d dupliserte stier. Detaljer levert av programtillegget Sjekk Opplastinger';
 $lang['When enabled, a common template is used for the login, registration and forgotten password pages, regardless of the theme. Some themes might use these templates even if you uncheck this option'] = 'Når dette alternativet er aktivert, brukes en felles mal for innlogging, registrering og glemt passord-sider, uavhengig av tema. Noen temaer kan bruke disse malene selv om du fjerner merket for dette alternativet.';
 $lang['Admins only'] = 'Kun administratorer';
-$lang['user_status_normal'] = 'Grunnleggende';
\ No newline at end of file
+$lang['user_status_normal'] = 'Grunnleggende';
+$lang['Change logo'] = 'Endre logo';
+$lang['Dark mode'] = 'Mørk modus';
+$lang['Display Gallery title'] = 'Vis galleritittel';
+$lang['Light mode'] = 'Lys modus';
+$lang['Personalization settings'] = 'Personaliseringsinnstillinger';
+$lang['Select a color theme for standard pages'] = 'Velg et fargetema for standardsider';
+$lang['Standard pages'] = 'Standardsider';
+$lang['Standard pages aren\'t activated, however you have %d active themes that will still use them. These themes are:'] = 'Standardsider er ikke aktivert, men du har %d aktive temaer som fortsatt vil bruke dem. Disse temaene er:';
+$lang['Standard pages header'] = 'Standard sideoverskrift';
+$lang['Use Piwigo logo'] = 'Bruk Piwigo-logoen';
+$lang['Use custom logo (png, jpeg or svg)'] = 'Bruk en egendefinert logo (png, jpeg eller svg)';
\ No newline at end of file
diff --git a/language/nl_NL/admin.lang.php b/language/nl_NL/admin.lang.php
index 51951ef92..96998fd5f 100644
--- a/language/nl_NL/admin.lang.php
+++ b/language/nl_NL/admin.lang.php
@@ -1418,4 +1418,17 @@ $lang['Are you sure you want to delete comment #%s?'] = 'Weet je zeker dat je op
 $lang['Empty lounge'] = 'Leeg buffer';
 $lang['Save all photos'] = 'Bewaar alle foto\'s';
 $lang['Admins only'] = 'Alleen beheerders';
-$lang['user_status_normal'] = 'Basis';
\ No newline at end of file
+$lang['user_status_normal'] = 'Basis';
+$lang['Display Gallery title'] = 'Toon Galerie titel';
+$lang['Select a color theme for standard pages'] = 'Selecteer een kleuren thema voor standaard pagina\'s ';
+$lang['Standard pages'] = 'Standaard pagina\'s';
+$lang['Standard pages aren\'t activated, however you have %d active themes that will still use them. These themes are:'] = 'Standaard pagina\'s zijn niet geactiveerd, hoewel je %d actieve thema\'s hebt die ze gebruiken. 
+Deze thema\'s zijn: 
+';
+$lang['Standard pages header'] = 'Standaard pagina\'s kop. ';
+$lang['Change logo'] = 'Logo aanpassen';
+$lang['Dark mode'] = 'Donkere mode';
+$lang['Light mode'] = 'lichte mode';
+$lang['Personalization settings'] = 'Personalisatie instellingen';
+$lang['Use Piwigo logo'] = 'Gebruik het Piwigo logo';
+$lang['Use custom logo (png, jpeg or svg)'] = 'Gebruik aangepast logo(png, jpeg of svg)';
\ No newline at end of file
diff --git a/language/pl_PL/admin.lang.php b/language/pl_PL/admin.lang.php
index 883d04fa4..676fd707e 100644
--- a/language/pl_PL/admin.lang.php
+++ b/language/pl_PL/admin.lang.php
@@ -1415,4 +1415,15 @@ $lang['There is currently %d photos in the lounge (upload buffer)'] = 'Obecnie w
 $lang['Use standard Piwigo template for common pages.'] = 'Użyj standardowego szablonu Piwigo dla wspólnych stron.';
 $lang['When enabled, a common template is used for the login, registration and forgotten password pages, regardless of the theme. Some themes might use these templates even if you uncheck this option'] = 'Po włączeniu, wspólny szablon jest używany dla stron logowania, rejestracji i obsługi zapomnianego hasła, niezależnie od motywu. Niektóre motywy mogą używać tych szablonów, nawet jeśli odznaczysz tę opcję';
 $lang['user_status_normal'] = 'Podstawowe';
-$lang['Admins only'] = 'Tylko dla administratorów';
\ No newline at end of file
+$lang['Admins only'] = 'Tylko dla administratorów';
+$lang['Change logo'] = 'Zmień logo';
+$lang['Dark mode'] = 'Tryb ciemny';
+$lang['Display Gallery title'] = 'Wyświetl tytuł galerii';
+$lang['Light mode'] = 'Tryb jasny';
+$lang['Personalization settings'] = 'Ustawienia personalizacji';
+$lang['Select a color theme for standard pages'] = 'Wybierz motyw kolorów dla standardowych stron';
+$lang['Standard pages'] = 'Standardowe strony';
+$lang['Standard pages aren\'t activated, however you have %d active themes that will still use them. These themes are:'] = 'Standardowe strony nie są aktywowane, jednak masz %d aktywnych motywów, które nadal będą z nich korzystać. Te motywy to:';
+$lang['Standard pages header'] = 'Standardowy nagłówek stron';
+$lang['Use Piwigo logo'] = 'Użyj logo Piwigo';
+$lang['Use custom logo (png, jpeg or svg)'] = 'Użyj własne logo (png, jpeg lub svg)';
\ No newline at end of file
diff --git a/language/pt_BR/admin.lang.php b/language/pt_BR/admin.lang.php
index 1a5634e9c..d7f2d6408 100644
--- a/language/pt_BR/admin.lang.php
+++ b/language/pt_BR/admin.lang.php
@@ -1418,4 +1418,15 @@ $lang['If a photo in this album has the same filename, update the file without c
 $lang['Empty lounge'] = 'Relação de upload vazia';
 $lang['%d photos were moved from the upload lounge to their albums'] = '%d fotos da relação de upload para seus álbuns';
 $lang['Admins only'] = 'Apenas para administradores';
-$lang['user_status_normal'] = 'Básico';
\ No newline at end of file
+$lang['user_status_normal'] = 'Básico';
+$lang['Use custom logo (png, jpeg or svg)'] = 'Use um logotipo personalizado (png, jpeg ou svg)';
+$lang['Use Piwigo logo'] = 'Use Piwigo logo';
+$lang['Standard pages header'] = 'Cabeçalho de páginas padrão';
+$lang['Standard pages aren\'t activated, however you have %d active themes that will still use them. These themes are:'] = 'As páginas padrão não estão ativadas, porém você tem %d temas ativos que ainda as utilizarão. Esses temas são:';
+$lang['Standard pages'] = 'Páginas padrão';
+$lang['Select a color theme for standard pages'] = 'Selecione um tema de cores para as páginas padrão.';
+$lang['Personalization settings'] = 'Configurações de personalização';
+$lang['Light mode'] = 'Modo claro';
+$lang['Display Gallery title'] = 'Exibir Título da Galeria';
+$lang['Dark mode'] = 'Modo escuro';
+$lang['Change logo'] = 'Change logo';
\ No newline at end of file
diff --git a/language/ru_RU/admin.lang.php b/language/ru_RU/admin.lang.php
index 58daeb5d7..5cf0eec5c 100644
--- a/language/ru_RU/admin.lang.php
+++ b/language/ru_RU/admin.lang.php
@@ -1349,4 +1349,25 @@ $lang['Remove thumbnail'] = 'Удалить миниатюру';
 $lang['Shrink'] = 'Свернуть';
 $lang['This album is currently locked, visible only to administrators.'] = 'Этот альбом в настоящее время заблокирован и виден только администраторам.';
 $lang['Unlock it'] = 'Разблокировать это';
-$lang['Unlocked album'] = 'Разблокированный альбом';
\ No newline at end of file
+$lang['Unlocked album'] = 'Разблокированный альбом';
+$lang['Ok, got it!'] = 'Ок, принято!';
+$lang['No comments selected, no actions possible.'] = 'Комментарии не выбраны, никакие действия невозможны';
+$lang['If a photo in this album has the same filename, update the file without changing the photo\'s properties'] = 'Если фото в этом альбоме имеет то же имя файла, обновите файл без изменения свойств фото';
+$lang['First choose an album, then add your files'] = 'Сначала выберите альбом, затем добавьте Ваши файлы';
+$lang['Create your first album'] = 'Создайте Ваш первый альбом';
+$lang['Create and select'] = 'Создать и выбрать';
+$lang['Create a root album'] = 'Создать корневой альбом';
+$lang['Core'] = 'Ядро';
+$lang['Copy the password link'] = 'Скопируйте ссылку на пароль';
+$lang['Copy the link below and send it to the user so the password can be set.'] = 'Скопируйте ссылку ниже и отправьте ее пользователю для установки пароля';
+$lang['Copy password'] = 'Скопировать пароль';
+$lang['Copied link'] = 'Ссылка скопирована';
+$lang['Changes saved'] = 'Изменения сохранены';
+$lang['Cannot send an email to this user because he doesn\'t have an email address'] = 'Невозможно отправить письмо пользователю, потому что у него нет почтового адреса';
+$lang['Auto-update'] = 'Авто-обновление';
+$lang['Are you sure you want to delete comment #%s?'] = 'Вы уверены, что хотите удалить комментарий #%s?';
+$lang['Are you sure you want to delete "%d" comments?'] = 'Вы уверены, что хотите удалить "%d"  комментариев?';
+$lang['An error has occured'] = 'Произошла ошибка';
+$lang['An activation link valid for %s was created but could not be sent. You can now copy the link below and send it to the user.'] = 'Ссылка для активации, действительная до  %s , была создана, но не может быть отправлена. Вы можете сейчас скопировать ссылку ниже и отправить ее пользователю.';
+$lang['Admins only'] = 'Только для администраторов';
+$lang['Added on %s'] = 'Добавлено %s';
\ No newline at end of file
diff --git a/language/sk_SK/admin.lang.php b/language/sk_SK/admin.lang.php
index e30412459..a4022deb5 100644
--- a/language/sk_SK/admin.lang.php
+++ b/language/sk_SK/admin.lang.php
@@ -1413,4 +1413,17 @@ $lang['The comments have been validated.'] = 'Komentáre boli overené.';
 $lang['There is currently %d photos in the lounge (upload buffer)'] = 'V súčasnosti je v miestnosti (vyrovnávacia pamäť na nahratie) %d fotografií.';
 $lang['Use standard Piwigo template for common pages.'] = 'Použite štandardnú šablónu Piwigo pre bežné stránky.';
 $lang['We have found %d duplicate paths. Details provided by plugin Check Uploads'] = 'Našli sme %d duplicitných ciest. Podrobnosti poskytol plugin Check Uploads.';
-$lang['When enabled, a common template is used for the login, registration and forgotten password pages, regardless of the theme. Some themes might use these templates even if you uncheck this option'] = 'Ak je táto možnosť povolená, pre stránky prihlásenia, registrácie a zabudnutého hesla sa používa spoločná šablóna, bez ohľadu na tému. Niektoré témy môžu používať tieto šablóny aj v prípade, že túto možnosť zrušíte.';
\ No newline at end of file
+$lang['When enabled, a common template is used for the login, registration and forgotten password pages, regardless of the theme. Some themes might use these templates even if you uncheck this option'] = 'Ak je táto možnosť povolená, pre stránky prihlásenia, registrácie a zabudnutého hesla sa používa spoločná šablóna, bez ohľadu na tému. Niektoré témy môžu používať tieto šablóny aj v prípade, že túto možnosť zrušíte.';
+$lang['Admins only'] = 'Iba pre administrátorov';
+$lang['user_status_normal'] = 'Základné';
+$lang['Change logo'] = 'Zmeniť logo';
+$lang['Dark mode'] = 'Tmavý režim';
+$lang['Display Gallery title'] = 'Zobraziť názov galérie';
+$lang['Light mode'] = 'Svetlý režim';
+$lang['Personalization settings'] = 'Nastavenia personalizácie';
+$lang['Select a color theme for standard pages'] = 'Vyberte farebnú tému pre štandardné stránky';
+$lang['Standard pages'] = 'Štandardné stránky';
+$lang['Standard pages aren\'t activated, however you have %d active themes that will still use them. These themes are:'] = 'Štandardné stránky nie sú aktivované, avšak máte %d aktívnych tém, ktoré ich budú naďalej používať. Tieto témy sú:';
+$lang['Standard pages header'] = 'Štandardná hlavička stránok';
+$lang['Use Piwigo logo'] = 'Použite logo Piwigo';
+$lang['Use custom logo (png, jpeg or svg)'] = 'Použite vlastné logo (png, jpeg alebo svg)';
\ No newline at end of file
diff --git a/language/sv_SE/admin.lang.php b/language/sv_SE/admin.lang.php
index 87492ca91..cbc57c593 100644
--- a/language/sv_SE/admin.lang.php
+++ b/language/sv_SE/admin.lang.php
@@ -1416,4 +1416,15 @@ $lang['There is currently %d photos in the lounge (upload buffer)'] = 'Det finns
 $lang['Use standard Piwigo template for common pages.'] = 'Använd standardmall för Piwigo för vanliga sidor.';
 $lang['When enabled, a common template is used for the login, registration and forgotten password pages, regardless of the theme. Some themes might use these templates even if you uncheck this option'] = 'När den är aktiverad används en gemensam mall för sidorna för inloggning, registrering och glömt lösenord, oavsett tema. Vissa teman kan använda dessa mallar även om du avmarkerar det här alternativet.';
 $lang['Admins only'] = 'Endast administratörer';
-$lang['user_status_normal'] = 'Enkel';
\ No newline at end of file
+$lang['user_status_normal'] = 'Enkel';
+$lang['Change logo'] = 'Ändra logo';
+$lang['Dark mode'] = 'Mörkt läge';
+$lang['Display Gallery title'] = 'Visa gallerititel';
+$lang['Light mode'] = 'Ljust läge';
+$lang['Personalization settings'] = 'Personlighetsinställningar';
+$lang['Select a color theme for standard pages'] = 'Välj ett färgtema för standardsidor';
+$lang['Standard pages'] = 'Standardsidor';
+$lang['Standard pages aren\'t activated, however you have %d active themes that will still use them. These themes are:'] = 'Standardsidor är inte aktiverade men du har dock %d aktiva teman som fortfarande använder dem. Dessa teman är:';
+$lang['Standard pages header'] = 'Standard sidhuvud';
+$lang['Use Piwigo logo'] = 'Använd Piwigo logo';
+$lang['Use custom logo (png, jpeg or svg)'] = 'Använd egen logo (png, jpeg eller svg)';
\ No newline at end of file
diff --git a/language/zh_CN/admin.lang.php b/language/zh_CN/admin.lang.php
index 8ca43a70b..8faae7a81 100644
--- a/language/zh_CN/admin.lang.php
+++ b/language/zh_CN/admin.lang.php
@@ -1422,4 +1422,15 @@ $lang['There is currently %d photos in the lounge (upload buffer)'] = '当前暂
 $lang['Use standard Piwigo template for common pages.'] = '为通用页面使用标准Piwigo模板。';
 $lang['When enabled, a common template is used for the login, registration and forgotten password pages, regardless of the theme. Some themes might use these templates even if you uncheck this option'] = '启用后，登录、注册和忘记密码页面将使用通用模板，无论使用何种主题。某些主题即使取消选中此选项，也可能会使用这些模板。';
 $lang['Admins only'] = '仅限管理员';
-$lang['user_status_normal'] = '普通用户';
\ No newline at end of file
+$lang['user_status_normal'] = '普通用户';
+$lang['Change logo'] = '更换logo';
+$lang['Dark mode'] = '深色模式';
+$lang['Display Gallery title'] = '显示相册标题';
+$lang['Light mode'] = '浅色模式';
+$lang['Personalization settings'] = '个性化设置';
+$lang['Select a color theme for standard pages'] = '为标准页面选择配色主题';
+$lang['Standard pages'] = '标准页面';
+$lang['Standard pages aren\'t activated, however you have %d active themes that will still use them. These themes are:'] = '标准页面尚未启用，但你目前有 %d 个已激活的主题仍会调用该功能。涉及的主题如下：';
+$lang['Standard pages header'] = '标准页面页眉';
+$lang['Use Piwigo logo'] = '使用 Piwigo logo';
+$lang['Use custom logo (png, jpeg or svg)'] = '使用自定义logo（支持 PNG、JPEG 或 SVG 格式）';
\ No newline at end of file
diff --git a/language/zh_CN/common.lang.php b/language/zh_CN/common.lang.php
index 3dafa7921..c7fdf3863 100644
--- a/language/zh_CN/common.lang.php
+++ b/language/zh_CN/common.lang.php
@@ -356,7 +356,7 @@ $lang['thumb'] = '缩略图';
 $lang['Username modification'] = '修改用户名';
 $lang['Username: %s'] = '用户名：%s';
 $lang['xlarge'] = 'XL - 特大';
-$lang['xxlarge'] = 'XXL - 超大';
+$lang['xxlarge'] = 'XXL - 超特大';
 $lang['Your username has been successfully changed to : %s'] = '您的用户名已成功修改为：%s';
 $lang['Photo sizes'] = '缩放图片';
 $lang['Desktop'] = '桌面版';
@@ -364,7 +364,7 @@ $lang['Mobile'] = '手机版';
 $lang['Show latest comments first'] = '新评论在先';
 $lang['Show oldest comments first'] = '旧评论在先';
 $lang['View in'] = '查看';
-$lang['2small'] = 'XXS - 超小';
+$lang['2small'] = 'XXS - 超特小';
 $lang['xsmall'] = 'XS - 特小';
 $lang['Date created, new &rarr; old'] = '创建日期，新 &rarr; 旧';
 $lang['Date created, old &rarr; new'] = '创建日期，旧 &rarr; 新';
@@ -414,8 +414,8 @@ $lang['Invalid username or password!'] = '用户名或密码无效！';
 $lang['generate random password'] = '生成随机密码';
 $lang['Password: ********** (no copy by email)'] = '密码：********** (不要直接从邮件拷贝)';
 $lang['Related albums'] = '相关相册';
-$lang['Album name, 1 &rarr; 5 &rarr; 10 &rarr; 100'] = '相册名， 1 &rarr; 5 &rarr; 10 &rarr; 100';
-$lang['Album name, 100 &rarr; 10 &rarr; 5 &rarr; 1'] = '相册名， 100 &rarr; 10 &rarr; 5 &rarr; 1';
+$lang['Album name, 1 &rarr; 5 &rarr; 10 &rarr; 100'] = '相册名称， 1 &rarr; 5 &rarr; 10 &rarr; 100';
+$lang['Album name, 100 &rarr; 10 &rarr; 5 &rarr; 1'] = '相册名称， 100 &rarr; 10 &rarr; 5 &rarr; 1';
 $lang['Start-Date'] = '起始日期';
 $lang['Validate'] = '确定';
 $lang['You can try to edit your filters and perform a new search.'] = '您可以尝试编辑过滤器并执行新的搜索。';
@@ -502,8 +502,8 @@ $lang['Manage your account'] = '最后使用时间';
 $lang['Never'] = '永不';
 $lang['New API Key'] = '新API密钥';
 $lang['No expiration'] = '永不过期';
-$lang['3xlarge'] = '3XL - 超大';
-$lang['4xlarge'] = '4XL - 巨大';
+$lang['3xlarge'] = '3XL - 3倍特大';
+$lang['4xlarge'] = '4XL - 4倍特大';
 $lang['API Key has been successfully edited.'] = 'API密钥已成功编辑。';
 $lang['API Key has been successfully revoked.'] = 'API密钥已成功撤销。';
 $lang['API Key name'] = 'API密钥名称';
diff --git a/language/zh_TW/admin.lang.php b/language/zh_TW/admin.lang.php
index b21719b7e..9c407dbf4 100644
--- a/language/zh_TW/admin.lang.php
+++ b/language/zh_TW/admin.lang.php
@@ -1411,4 +1411,17 @@ $lang['The comments have been validated.'] = '已批准這些評論。';
 $lang['There is currently %d photos in the lounge (upload buffer)'] = '目前在上傳區中共有 %d 張照片';
 $lang['Use standard Piwigo template for common pages.'] = '套用標準的 Piwigo 模板至一般頁面。';
 $lang['We have found %d duplicate paths. Details provided by plugin Check Uploads'] = '我們發現 %d 個重覆的路徑。Check Uploads 插件將提供更詳細的資訊';
-$lang['When enabled, a common template is used for the login, registration and forgotten password pages, regardless of the theme. Some themes might use these templates even if you uncheck this option'] = '啟用此功能後，登入、註冊及忘記密碼頁面將採用共通模板，不受主題設定影響。部分主題即使您取消勾選此選項，仍可能使用這些模板。';
\ No newline at end of file
+$lang['When enabled, a common template is used for the login, registration and forgotten password pages, regardless of the theme. Some themes might use these templates even if you uncheck this option'] = '啟用此功能後，登入、註冊及忘記密碼頁面將採用共通模板，不受主題設定影響。部分主題即使您取消勾選此選項，仍可能使用這些模板。';
+$lang['Admins only'] = '系統管理員專用';
+$lang['user_status_normal'] = '基本';
+$lang['Change logo'] = '更換標誌';
+$lang['Dark mode'] = '深色模式';
+$lang['Display Gallery title'] = '顯示藝廊標題';
+$lang['Light mode'] = '淺色模式';
+$lang['Personalization settings'] = '個人化設定';
+$lang['Select a color theme for standard pages'] = '選擇標準頁面的色彩主題';
+$lang['Standard pages'] = '標準頁面';
+$lang['Standard pages aren\'t activated, however you have %d active themes that will still use them. These themes are:'] = '尚未啟用標準頁面，不過您有 %d 個使用中的佈景主題仍會用到標準頁面。這些佈景主題是：';
+$lang['Standard pages header'] = '標準頁面檔頭';
+$lang['Use Piwigo logo'] = '使用 Piwigo 的標誌';
+$lang['Use custom logo (png, jpeg or svg)'] = '使用自訂的標註（PNG, JPEG 或 SVG 檔案）';
\ No newline at end of file