diff --git a/src/i18n/strings/el.json b/src/i18n/strings/el.json
index af818ddd6..4efc9d944 100644
--- a/src/i18n/strings/el.json
+++ b/src/i18n/strings/el.json
@@ -29,5 +29,8 @@
     "You can continue using your current browser, but some or all features may not work and the look and feel of the application may be incorrect.": "Μπορείτε να συνεχίσετε να χρησιμοποιείτε το τρέχον πρόγραμμα περιήγησής σας, αλλά ορισμένες ή όλες οι λειτουργίες ενδέχεται να μην λειτουργούν και η εμφάνιση και η αίσθηση της εφαρμογής ενδέχεται να είναι λανθασμένη.",
     "I understand the risks and wish to continue": "Κατανοώ τους κινδύνους και επιθυμώ να συνεχίσω",
     "Go to element.io": "Πήγαινε στο element.io",
-    "Failed to start": "Αποτυχία έναρξης"
+    "Failed to start": "Αποτυχία έναρξης",
+    "%(appName)s (%(browserName)s, %(osName)s)": "%(appName)s (%(browserName)s, %(osName)s)",
+    "%(brand)s Desktop (%(platformName)s)": "%(brand)s Desktop (%(platformName)s)",
+    "Missing indexeddb worker script!": "Απουσία indexeddb worker script!"
 }
diff --git a/src/i18n/strings/lt.json b/src/i18n/strings/lt.json
index 7fbe12454..3932a2416 100644
--- a/src/i18n/strings/lt.json
+++ b/src/i18n/strings/lt.json
@@ -31,5 +31,6 @@
     "Open": "Atidaryti",
     "Your browser can't run %(brand)s": "Jūsų naršyklė negali paleisti %(brand)s",
     "%(brand)s uses advanced browser features which aren't supported by your current browser.": "%(brand)s naudoja išplėstines naršyklės funkcijas, kurių jūsų dabartinė naršyklė nepalaiko.",
-    "Please install <chromeLink>Chrome</chromeLink>, <firefoxLink>Firefox</firefoxLink>, or <safariLink>Safari</safariLink> for the best experience.": "Geriausiam veikimui suinstaliuokite <chromeLink>Chrome</chromeLink>, <firefoxLink>Firefox</firefoxLink>, arba <safariLink>Safari</safariLink>."
+    "Please install <chromeLink>Chrome</chromeLink>, <firefoxLink>Firefox</firefoxLink>, or <safariLink>Safari</safariLink> for the best experience.": "Geriausiam veikimui suinstaliuokite <chromeLink>Chrome</chromeLink>, <firefoxLink>Firefox</firefoxLink>, arba <safariLink>Safari</safariLink>.",
+    "Powered by Matrix": "Veikia su Matrix"
 }
diff --git a/src/i18n/strings/nl.json b/src/i18n/strings/nl.json
index 32d3dac78..7099f21fb 100644
--- a/src/i18n/strings/nl.json
+++ b/src/i18n/strings/nl.json
@@ -7,7 +7,7 @@
     "Decentralised, encrypted chat &amp; collaboration powered by [matrix]": "Gedecentraliseerd en versleuteld chatten &amp; samenwerken dankzij [matrix]",
     "Sign In": "Aanmelden",
     "Create Account": "Account aanmaken",
-    "Explore rooms": "Gesprekken ontdekken",
+    "Explore rooms": "Kamers verkennen",
     "Unexpected error preparing the app. See console for details.": "Er is een onverwachte fout opgetreden bij het voorbereiden van de app. Zie de console voor details.",
     "Invalid configuration: can only specify one of default_server_config, default_server_name, or default_hs_url.": "Configuratiefout: kan slechts één van default_server_config, default_server_name, of default_hs_url opgeven.",
     "Invalid configuration: no default server specified.": "Configuratie ongeldig: geen standaardserver opgegeven.",
@@ -22,8 +22,13 @@
     "%(appName)s (%(browserName)s, %(osName)s)": "%(appName)s (%(browserName)s, %(osName)s)",
     "Unsupported browser": "Niet-ondersteunde browser",
     "Please install <chromeLink>Chrome</chromeLink>, <firefoxLink>Firefox</firefoxLink>, or <safariLink>Safari</safariLink> for the best experience.": "Installeer <chromeLink>Chrome</chromeLink>, <firefoxLink>Firefox</firefoxLink>, of <safariLink>Safari</safariLink> voor de beste gebruikservaring.",
-    "You can continue using your current browser, but some or all features may not work and the look and feel of the application may be incorrect.": "U kunt uw huidige browser blijven gebruiken, maar sommige of alle features zouden niet kunnen werken en de uitstraling van het programma kan verkeerd zijn.",
+    "You can continue using your current browser, but some or all features may not work and the look and feel of the application may be incorrect.": "U kunt uw huidige browser blijven gebruiken, maar sommige of alle functies zouden niet kunnen werken en de uitstraling van het programma kan verkeerd zijn.",
     "I understand the risks and wish to continue": "Ik begrijp de risico's en wil verder gaan",
     "Go to element.io": "Ga naar element.io",
-    "Failed to start": "Opstarten gefaald"
+    "Failed to start": "Opstarten mislukt",
+    "Open": "Open",
+    "Your Element configuration contains invalid JSON. Please correct the problem and reload the page.": "Uw Element configuratie bevat ongeldige JSON. Gelieve het probleem te corrigeren daarna de pagina te herladen.",
+    "Download Completed": "Download voltooid",
+    "Your Element is misconfigured": "Uw Element is verkeerd geconfigureerd",
+    "Your browser can't run %(brand)s": "Uw browser kan %(brand)s niet draaien."
 }
diff --git a/src/i18n/strings/pt.json b/src/i18n/strings/pt.json
index 1092b667c..eb08e31ba 100644
--- a/src/i18n/strings/pt.json
+++ b/src/i18n/strings/pt.json
@@ -13,5 +13,10 @@
     "Sign In": "Iniciar sessão",
     "Create Account": "Criar conta",
     "Explore rooms": "Explorar rooms",
-    "Go to your browser to complete Sign In": "Abra o seu navegador para completar o inicio de sessão"
+    "Go to your browser to complete Sign In": "Abra o seu navegador para completar o inicio de sessão",
+    "Open": "Abrir",
+    "Download Completed": "Transferência concluída",
+    "Unable to load config file: please refresh the page to try again.": "Não foi possível carregar o ficheiro de configuração: atualize a página para tentar novamente.",
+    "Your Element configuration contains invalid JSON. Please correct the problem and reload the page.": "A configuração do Element contém um JSON inválido. Corrija o problema e recarregue a página.",
+    "Your Element is misconfigured": "O Element está configurado incorretamente"
 }
diff --git a/src/i18n/strings/tzm.json b/src/i18n/strings/tzm.json
new file mode 100644
index 000000000..80f2451a9
--- /dev/null
+++ b/src/i18n/strings/tzm.json
@@ -0,0 +1,14 @@
+{
+    "Create Account": "Ssenflul amiḍan",
+    "Download Completed": "Ittusmed wagam",
+    "Powered by Matrix": "Ittusker s Matrix",
+    "Sign In": "Kcem",
+    "Go to your browser to complete Sign In": "Ddu ɣer umessara fad ad tsemded azemmem",
+    "Welcome to Element": "Azul g Element",
+    "Go to element.io": "Ddu ɣer element.io",
+    "%(appName)s (%(browserName)s, %(osName)s)": "%(appName)s (%(browserName)s, %(osName)s)",
+    "Unknown device": "Allal arussin",
+    "Open user settings": "Ṛẓem tisɣal n unessemres",
+    "Dismiss": "Nexxel",
+    "Open": "Ṛẓem"
+}