diff --git a/commons/src/main/kotlin/com/simplemobiletools/commons/activities/CustomizationActivity.kt b/commons/src/main/kotlin/com/simplemobiletools/commons/activities/CustomizationActivity.kt
index 389603992..df7472147 100644
--- a/commons/src/main/kotlin/com/simplemobiletools/commons/activities/CustomizationActivity.kt
+++ b/commons/src/main/kotlin/com/simplemobiletools/commons/activities/CustomizationActivity.kt
@@ -280,7 +280,7 @@ class CustomizationActivity : BaseSimpleActivity() {
         val isUsingSystemDarkTheme = isUsingSystemDarkTheme()
         val textColor = if (isUsingSystemDarkTheme) R.color.theme_dark_text_color else R.color.theme_light_text_color
         val backgroundColor = if (isUsingSystemDarkTheme) R.color.theme_dark_background_color else R.color.theme_light_background_color
-        return MyTheme(R.string.auto_theme, textColor, backgroundColor, R.color.color_primary, R.color.color_primary)
+        return MyTheme(R.string.auto_light_dark_theme, textColor, backgroundColor, R.color.color_primary, R.color.color_primary)
     }
 
     private fun getCurrentThemeId(): Int {
diff --git a/commons/src/main/res/values-ar/strings.xml b/commons/src/main/res/values-ar/strings.xml
index b9e1cf25f..969e38ae0 100644
--- a/commons/src/main/res/values-ar/strings.xml
+++ b/commons/src/main/res/values-ar/strings.xml
@@ -269,12 +269,14 @@
     <string name="light_theme">فاتح</string>
     <string name="dark_theme">داكن</string>
     <string name="auto_theme">Auto</string>
+    <string name="auto_light_dark_theme">Auto light / dark</string>
     <string name="solarized">شمسي</string>
     <string name="dark_red">أحمر داكن</string>
     <string name="white">White</string>
     <string name="black_white">أبيض وأسود</string>
     <string name="custom">مخصص</string>
     <string name="shared">المشتركة</string>
+    <string name="system_default">System default</string>
     <!-- What's new -->
     <string name="whats_new">ما الجديد</string>
     <string name="whats_new_disclaimer">* التحديثات الأكبر حجماً هي المدرجة هنا، دائماً توجد بعض التحسينات الأصغر أيضا</string>
diff --git a/commons/src/main/res/values-az/strings.xml b/commons/src/main/res/values-az/strings.xml
index b742ebfcf..1315d5a6a 100644
--- a/commons/src/main/res/values-az/strings.xml
+++ b/commons/src/main/res/values-az/strings.xml
@@ -291,12 +291,14 @@
     <string name="light_theme">İşıqlı</string>
     <string name="dark_theme">Qaranlıq</string>
     <string name="auto_theme">Auto</string>
+    <string name="auto_light_dark_theme">Auto light / dark</string>
     <string name="solarized">Közərmiş</string>
     <string name="dark_red">Qaraqırmızı</string>
     <string name="white">White</string>
     <string name="black_white">Ağ və Qara</string>
     <string name="custom">Özəl</string>
     <string name="shared">Paylanmış</string>
+    <string name="system_default">System default</string>
 
     <!-- What's new -->
     <string name="whats_new">Yeni nə var</string>
diff --git a/commons/src/main/res/values-br/strings.xml b/commons/src/main/res/values-br/strings.xml
index 5b0b1f9d0..669a5293c 100644
--- a/commons/src/main/res/values-br/strings.xml
+++ b/commons/src/main/res/values-br/strings.xml
@@ -291,12 +291,14 @@
     <string name="light_theme">Light</string>
     <string name="dark_theme">Dark</string>
     <string name="auto_theme">Auto</string>
+    <string name="auto_light_dark_theme">Auto light / dark</string>
     <string name="solarized">Solarized</string>
     <string name="dark_red">Dark red</string>
     <string name="white">White</string>
     <string name="black_white">Black &amp; White</string>
     <string name="custom">Personelaet</string>
     <string name="shared">Shared</string>
+    <string name="system_default">System default</string>
 
     <!-- What's new -->
     <string name="whats_new">What\'s new</string>
diff --git a/commons/src/main/res/values-ca/strings.xml b/commons/src/main/res/values-ca/strings.xml
index c3cfd0dd9..e7b0e9f53 100644
--- a/commons/src/main/res/values-ca/strings.xml
+++ b/commons/src/main/res/values-ca/strings.xml
@@ -272,12 +272,14 @@
     <string name="light_theme">Clar</string>
     <string name="dark_theme">Fosc</string>
     <string name="auto_theme">Automàtic</string>
+    <string name="auto_light_dark_theme">Auto light / dark</string>
     <string name="solarized">Solaritzat</string>
     <string name="dark_red">Vermell fosc</string>
     <string name="white">Blanc</string>
     <string name="black_white">Blanc i negre</string>
     <string name="custom">Personalitzat</string>
     <string name="shared">Compartit</string>
+    <string name="system_default">System default</string>
     <!-- What's new -->
     <string name="whats_new">Què hi ha de nou</string>
     <string name="whats_new_disclaimer">* Aquí només s\'enumeren les actualitzacions més grans. Sempre hi ha millores petites també</string>
diff --git a/commons/src/main/res/values-cs/strings.xml b/commons/src/main/res/values-cs/strings.xml
index 2053fc105..3519e7835 100644
--- a/commons/src/main/res/values-cs/strings.xml
+++ b/commons/src/main/res/values-cs/strings.xml
@@ -294,12 +294,14 @@
     <string name="light_theme">Světlý</string>
     <string name="dark_theme">Tmavý</string>
     <string name="auto_theme">Auto</string>
+    <string name="auto_light_dark_theme">Auto light / dark</string>
     <string name="solarized">Solarizovaný</string>
     <string name="dark_red">Tmavě červený</string>
     <string name="white">White</string>
     <string name="black_white">Černobílý</string>
     <string name="custom">Vlastní</string>
     <string name="shared">Sdílený</string>
+    <string name="system_default">System default</string>
 
     <!-- What's new -->
     <string name="whats_new">Co je nového</string>
diff --git a/commons/src/main/res/values-cy/strings.xml b/commons/src/main/res/values-cy/strings.xml
index ee7db4a7d..89933a751 100644
--- a/commons/src/main/res/values-cy/strings.xml
+++ b/commons/src/main/res/values-cy/strings.xml
@@ -302,12 +302,14 @@
     <string name="light_theme">Golau</string>
     <string name="dark_theme">Tywyll</string>
     <string name="auto_theme">Auto</string>
+    <string name="auto_light_dark_theme">Auto light / dark</string>
     <string name="solarized">Solareiddiwyd</string>
     <string name="dark_red">Coch tywyll</string>
     <string name="white">White</string>
     <string name="black_white">Du a Gwyn</string>
     <string name="custom">Addasedig</string>
     <string name="shared">Rhennir</string>
+    <string name="system_default">System default</string>
 
     <!-- What's new -->
     <string name="whats_new">Beth sy\'n newydd</string>
diff --git a/commons/src/main/res/values-da/strings.xml b/commons/src/main/res/values-da/strings.xml
index a150cb630..a9a5f1bd8 100644
--- a/commons/src/main/res/values-da/strings.xml
+++ b/commons/src/main/res/values-da/strings.xml
@@ -271,12 +271,14 @@
     <string name="light_theme">Lys</string>
     <string name="dark_theme">Mørk</string>
     <string name="auto_theme">Auto</string>
+    <string name="auto_light_dark_theme">Auto light / dark</string>
     <string name="solarized">Solariseret</string>
     <string name="dark_red">Mørkerød</string>
     <string name="white">Hvid</string>
     <string name="black_white">Sort &amp; hvid</string>
     <string name="custom">Tilpasset</string>
     <string name="shared">Gemt</string>
+    <string name="system_default">System default</string>
     <!-- What's new -->
     <string name="whats_new">Hvad er nyt</string>
     <string name="whats_new_disclaimer">* Kun større opdateringer er nævnt her, der er altid flere mindre forbedringer også</string>
diff --git a/commons/src/main/res/values-de/strings.xml b/commons/src/main/res/values-de/strings.xml
index 67a7f91e2..dbfa930f2 100644
--- a/commons/src/main/res/values-de/strings.xml
+++ b/commons/src/main/res/values-de/strings.xml
@@ -272,12 +272,14 @@
     <string name="light_theme">Hell</string>
     <string name="dark_theme">Dunkel</string>
     <string name="auto_theme">Auto</string>
+    <string name="auto_light_dark_theme">Auto light / dark</string>
     <string name="solarized">Solarisiert</string>
     <string name="dark_red">Dunkelrot</string>
     <string name="white">Weiß</string>
     <string name="black_white">Schwarz-Weiß</string>
     <string name="custom">Benutzerdefiniert</string>
     <string name="shared">Geteilt</string>
+    <string name="system_default">System default</string>
     <!-- What's new -->
     <string name="whats_new">Neue Funktionen</string>
     <string name="whats_new_disclaimer">* Kleinere Verbesserungen werden nicht gelistet</string>
diff --git a/commons/src/main/res/values-el/strings.xml b/commons/src/main/res/values-el/strings.xml
index 3c737ae03..5e80fc17d 100644
--- a/commons/src/main/res/values-el/strings.xml
+++ b/commons/src/main/res/values-el/strings.xml
@@ -288,12 +288,14 @@
     <string name="light_theme">Φωτεινό</string>
     <string name="dark_theme">Σκούρο</string>
     <string name="auto_theme">Αυτόματο</string>
+    <string name="auto_light_dark_theme">Auto light / dark</string>
     <string name="solarized">Solarized</string>
     <string name="dark_red">Σκούρο κόκκινο</string>
     <string name="white">Άσπρο</string>
     <string name="black_white">Μαύρο &amp; Άσπρο</string>
     <string name="custom">Προσαρμογή</string>
     <string name="shared">Κοινόχρηστο</string>
+    <string name="system_default">System default</string>
 
     <!-- What's new -->
     <string name="whats_new">Τι νέο υπάρχει</string>
diff --git a/commons/src/main/res/values-eo/strings.xml b/commons/src/main/res/values-eo/strings.xml
index 269d6325f..2a70ead98 100644
--- a/commons/src/main/res/values-eo/strings.xml
+++ b/commons/src/main/res/values-eo/strings.xml
@@ -271,12 +271,14 @@
     <string name="light_theme">Light</string>
     <string name="dark_theme">Dark</string>
     <string name="auto_theme">Auto</string>
+    <string name="auto_light_dark_theme">Auto light / dark</string>
     <string name="solarized">Solarized</string>
     <string name="dark_red">Dark red</string>
     <string name="white">White</string>
     <string name="black_white">Black &amp; White</string>
     <string name="custom">Custom</string>
     <string name="shared">Shared</string>
+    <string name="system_default">System default</string>
     <!-- What's new -->
     <string name="whats_new">What\'s new</string>
     <string name="whats_new_disclaimer">* only the bigger updates are listed here, there are always some smaller improvements too</string>
diff --git a/commons/src/main/res/values-es/strings.xml b/commons/src/main/res/values-es/strings.xml
index b7d47501c..18d77fb0a 100644
--- a/commons/src/main/res/values-es/strings.xml
+++ b/commons/src/main/res/values-es/strings.xml
@@ -290,12 +290,14 @@
     <string name="light_theme">Claro</string>
     <string name="dark_theme">Oscuro</string>
     <string name="auto_theme">Auto</string>
+    <string name="auto_light_dark_theme">Auto light / dark</string>
     <string name="solarized">Solarizado</string>
     <string name="dark_red">Rojo oscuro</string>
     <string name="white">Blanco</string>
     <string name="black_white">Blanco y negro</string>
     <string name="custom">Personalizado</string>
     <string name="shared">Compartido</string>
+    <string name="system_default">System default</string>
 
     <!-- What's new -->
     <string name="whats_new">Novedades</string>
diff --git a/commons/src/main/res/values-et/strings.xml b/commons/src/main/res/values-et/strings.xml
index c0d807ba3..98d3a6ca4 100644
--- a/commons/src/main/res/values-et/strings.xml
+++ b/commons/src/main/res/values-et/strings.xml
@@ -273,12 +273,14 @@
     <string name="light_theme">Hele</string>
     <string name="dark_theme">Tume</string>
     <string name="auto_theme">Auto</string>
+    <string name="auto_light_dark_theme">Auto light / dark</string>
     <string name="solarized">Päikese käes</string>
     <string name="dark_red">Tumepunane</string>
     <string name="white">White</string>
     <string name="black_white">Black &amp; White</string>
     <string name="custom">Kohandatud</string>
     <string name="shared">Jagatud</string>
+    <string name="system_default">System default</string>
     <!-- What's new -->
     <string name="whats_new">Mida on meil uut</string>
     <string name="whats_new_disclaimer">* siin on kirjas vaid suuremad muudatused, kuid alati oleme teinud ka pisikohendusi</string>
diff --git a/commons/src/main/res/values-eu/strings.xml b/commons/src/main/res/values-eu/strings.xml
index c5baaee19..420c68bf6 100644
--- a/commons/src/main/res/values-eu/strings.xml
+++ b/commons/src/main/res/values-eu/strings.xml
@@ -289,12 +289,14 @@
     <string name="light_theme">Argia</string>
     <string name="dark_theme">Iluna</string>
     <string name="auto_theme">Auto</string>
+    <string name="auto_light_dark_theme">Auto light / dark</string>
     <string name="solarized">Eguzkitsua</string>
     <string name="dark_red">Gorri iluna</string>
     <string name="white">Zuria</string>
     <string name="black_white">Zuri-beltza</string>
     <string name="custom">Pertsonalizatuta</string>
     <string name="shared">Partekatuta</string>
+    <string name="system_default">System default</string>
 
     <!-- What's new -->
     <string name="whats_new">Zer berri</string>
diff --git a/commons/src/main/res/values-fa/strings.xml b/commons/src/main/res/values-fa/strings.xml
index 999a41b85..3d87c0297 100644
--- a/commons/src/main/res/values-fa/strings.xml
+++ b/commons/src/main/res/values-fa/strings.xml
@@ -291,12 +291,14 @@
     <string name="light_theme">روشن</string>
     <string name="dark_theme">تاریک</string>
     <string name="auto_theme">Auto</string>
+    <string name="auto_light_dark_theme">Auto light / dark</string>
     <string name="solarized">آفتابی</string>
     <string name="dark_red">قرمز تاریک</string>
     <string name="white">سفید</string>
     <string name="black_white">سیاه &amp; سفید</string>
     <string name="custom">سفارشی</string>
     <string name="shared">اشتراک گذاری شد</string>
+    <string name="system_default">System default</string>
 
     <!-- What's new -->
     <string name="whats_new">چه چیز جدید است</string>
diff --git a/commons/src/main/res/values-fi/strings.xml b/commons/src/main/res/values-fi/strings.xml
index 7277bc54a..d22149f84 100644
--- a/commons/src/main/res/values-fi/strings.xml
+++ b/commons/src/main/res/values-fi/strings.xml
@@ -271,12 +271,14 @@
     <string name="light_theme">Vaalea</string>
     <string name="dark_theme">Tumma</string>
     <string name="auto_theme">Automaattinen</string>
+    <string name="auto_light_dark_theme">Auto light / dark</string>
     <string name="solarized">Solarisoitu</string>
     <string name="dark_red">Tumman punainen</string>
     <string name="white">Valkoinen</string>
     <string name="black_white">Musta &amp; Valkoinen</string>
     <string name="custom">Oma</string>
     <string name="shared">Jaettu</string>
+    <string name="system_default">System default</string>
     <!-- What's new -->
     <string name="whats_new">Mitä uutta</string>
     <string name="whats_new_disclaimer">* tässä mainitaan vain isot muutokset, ei pieniä korjauksia</string>
diff --git a/commons/src/main/res/values-fr/strings.xml b/commons/src/main/res/values-fr/strings.xml
index 4b24efd6d..4a2d122ac 100644
--- a/commons/src/main/res/values-fr/strings.xml
+++ b/commons/src/main/res/values-fr/strings.xml
@@ -271,12 +271,14 @@
     <string name="light_theme">Clair</string>
     <string name="dark_theme">Sombre</string>
     <string name="auto_theme">Automatique</string>
+    <string name="auto_light_dark_theme">Auto light / dark</string>
     <string name="solarized">Solarisé</string>
     <string name="dark_red">Rouge sombre</string>
     <string name="white">Blanc</string>
     <string name="black_white">Noir et Blanc</string>
     <string name="custom">Personnalisé</string>
     <string name="shared">Partagé</string>
+    <string name="system_default">System default</string>
     <!-- What's new -->
     <string name="whats_new">Quoi de neuf</string>
     <string name="whats_new_disclaimer">* seules les mises à jour les plus importantes sont indiquées ici. Les améliorations mineures ne sont pas détaillées</string>
diff --git a/commons/src/main/res/values-gl/strings.xml b/commons/src/main/res/values-gl/strings.xml
index e8af2c51d..7b1f43f8f 100644
--- a/commons/src/main/res/values-gl/strings.xml
+++ b/commons/src/main/res/values-gl/strings.xml
@@ -289,12 +289,14 @@
     <string name="light_theme">Claro</string>
     <string name="dark_theme">Escuro</string>
     <string name="auto_theme">Auto</string>
+    <string name="auto_light_dark_theme">Auto light / dark</string>
     <string name="solarized">Solarizado</string>
     <string name="dark_red">Vermello escuro</string>
     <string name="white">White</string>
     <string name="black_white">Branco e negro</string>
     <string name="custom">Personalizado</string>
     <string name="shared">Compartido</string>
+    <string name="system_default">System default</string>
 
     <!-- What's new -->
     <string name="whats_new">Novidades</string>
diff --git a/commons/src/main/res/values-hi-rIN/strings.xml b/commons/src/main/res/values-hi-rIN/strings.xml
index b597ab554..affd58611 100644
--- a/commons/src/main/res/values-hi-rIN/strings.xml
+++ b/commons/src/main/res/values-hi-rIN/strings.xml
@@ -288,12 +288,14 @@
     <string name="light_theme">Light</string>
     <string name="dark_theme">Dark</string>
     <string name="auto_theme">Auto</string>
+    <string name="auto_light_dark_theme">Auto light / dark</string>
     <string name="solarized">Solarized</string>
     <string name="dark_red">Dark red</string>
     <string name="white">White</string>
     <string name="black_white">Black &amp; White</string>
     <string name="custom">Custom</string>
     <string name="shared">Shared</string>
+    <string name="system_default">System default</string>
 
     <!-- What's new -->
     <string name="whats_new">What\'s new</string>
diff --git a/commons/src/main/res/values-hr/strings.xml b/commons/src/main/res/values-hr/strings.xml
index ef106d5a9..23a3c91a3 100644
--- a/commons/src/main/res/values-hr/strings.xml
+++ b/commons/src/main/res/values-hr/strings.xml
@@ -291,12 +291,14 @@
     <string name="light_theme">Svijetla</string>
     <string name="dark_theme">Tamna</string>
     <string name="auto_theme">Auto</string>
+    <string name="auto_light_dark_theme">Auto light / dark</string>
     <string name="solarized">Solarizirana</string>
     <string name="dark_red">Tamno crvena</string>
     <string name="white">White</string>
     <string name="black_white">Crno &amp; Bijelo</string>
     <string name="custom">Prilagođena</string>
     <string name="shared">Dijeljena</string>
+    <string name="system_default">System default</string>
 
     <!-- What's new -->
     <string name="whats_new">Što je novo</string>
diff --git a/commons/src/main/res/values-hu/strings.xml b/commons/src/main/res/values-hu/strings.xml
index 2cb095d1a..60ed40faa 100644
--- a/commons/src/main/res/values-hu/strings.xml
+++ b/commons/src/main/res/values-hu/strings.xml
@@ -272,12 +272,14 @@
     <string name="light_theme">Világos</string>
     <string name="dark_theme">Sötét</string>
     <string name="auto_theme">Automatikus</string>
+    <string name="auto_light_dark_theme">Auto light / dark</string>
     <string name="solarized">Kiégetett</string>
     <string name="dark_red">Sötét és piros</string>
     <string name="white">Fehér</string>
     <string name="black_white">Fekete-fehér</string>
     <string name="custom">Egyéni</string>
     <string name="shared">Közös</string>
+    <string name="system_default">System default</string>
     <!-- What's new -->
     <string name="whats_new">Újdonságok</string>
     <string name="whats_new_disclaimer">* itt csak a nagyobb frissítések vannak felsorolva, de mindig vannak kisebb javítások is</string>
diff --git a/commons/src/main/res/values-id/strings.xml b/commons/src/main/res/values-id/strings.xml
index 005a1ce17..958ecd531 100644
--- a/commons/src/main/res/values-id/strings.xml
+++ b/commons/src/main/res/values-id/strings.xml
@@ -268,12 +268,14 @@
     <string name="light_theme">Terang</string>
     <string name="dark_theme">Gelap</string>
     <string name="auto_theme">Auto</string>
+    <string name="auto_light_dark_theme">Auto light / dark</string>
     <string name="solarized">Solarize</string>
     <string name="dark_red">Merah gelap</string>
     <string name="white">White</string>
     <string name="black_white">Hitam &amp; Putih</string>
     <string name="custom">Khusus</string>
     <string name="shared">Saling Berbagi</string>
+    <string name="system_default">System default</string>
     <!-- What's new -->
     <string name="whats_new">Apa yang baru</string>
     <string name="whats_new_disclaimer">* hanya perubahan besar yang ditampilkan di sini, selalu ada juga peningkatan kecil</string>
diff --git a/commons/src/main/res/values-it/strings.xml b/commons/src/main/res/values-it/strings.xml
index 90b442f1d..9bcd2e80a 100644
--- a/commons/src/main/res/values-it/strings.xml
+++ b/commons/src/main/res/values-it/strings.xml
@@ -271,12 +271,14 @@
     <string name="light_theme">Chiaro</string>
     <string name="dark_theme">Scuro</string>
     <string name="auto_theme">Auto</string>
+    <string name="auto_light_dark_theme">Auto light / dark</string>
     <string name="solarized">Solarizzato</string>
     <string name="dark_red">Rosso scuro</string>
     <string name="white">Bianco</string>
     <string name="black_white">Bianco e nero</string>
     <string name="custom">Personalizzato</string>
     <string name="shared">Condiviso</string>
+    <string name="system_default">System default</string>
     <!-- What's new -->
     <string name="whats_new">Novità</string>
     <string name="whats_new_disclaimer">* solamente le modifiche più importanti vengono segnalate, spesso ci sono anche piccoli miglioramenti</string>
diff --git a/commons/src/main/res/values-iw/strings.xml b/commons/src/main/res/values-iw/strings.xml
index 651524360..56ee6ff90 100644
--- a/commons/src/main/res/values-iw/strings.xml
+++ b/commons/src/main/res/values-iw/strings.xml
@@ -291,12 +291,14 @@
     <string name="light_theme">בהיר</string>
     <string name="dark_theme">כהה</string>
     <string name="auto_theme">Auto</string>
+    <string name="auto_light_dark_theme">Auto light / dark</string>
     <string name="solarized">Solarized</string>
     <string name="dark_red">אדום כהה</string>
     <string name="white">White</string>
     <string name="black_white">שחור ולבן</string>
     <string name="custom">מותאם אישית</string>
     <string name="shared">משותף</string>
+    <string name="system_default">System default</string>
 
     <!-- What's new -->
     <string name="whats_new">מה חדש</string>
diff --git a/commons/src/main/res/values-ja/strings.xml b/commons/src/main/res/values-ja/strings.xml
index 3cf54b404..29559370e 100644
--- a/commons/src/main/res/values-ja/strings.xml
+++ b/commons/src/main/res/values-ja/strings.xml
@@ -267,12 +267,14 @@
     <string name="light_theme">ライト</string>
     <string name="dark_theme">ダーク</string>
     <string name="auto_theme">Auto</string>
+    <string name="auto_light_dark_theme">Auto light / dark</string>
     <string name="solarized">ソラライズド</string>
     <string name="dark_red">ダーク・レッド</string>
     <string name="white">White</string>
     <string name="black_white">モノクロ</string>
     <string name="custom">カスタム</string>
     <string name="shared">共有</string>
+    <string name="system_default">System default</string>
     <!-- What's new -->
     <string name="whats_new">更新内容</string>
     <string name="whats_new_disclaimer">* ここでは主な変更点を挙げていますが、その他の細かい改善も行われています</string>
diff --git a/commons/src/main/res/values-ko-rKR/strings.xml b/commons/src/main/res/values-ko-rKR/strings.xml
index 8a051fd35..c60ef5d0b 100644
--- a/commons/src/main/res/values-ko-rKR/strings.xml
+++ b/commons/src/main/res/values-ko-rKR/strings.xml
@@ -285,12 +285,14 @@
     <string name="light_theme">Light</string>
     <string name="dark_theme">Dark</string>
     <string name="auto_theme">Auto</string>
+    <string name="auto_light_dark_theme">Auto light / dark</string>
     <string name="solarized">Solarized</string>
     <string name="dark_red">Dark red</string>
     <string name="white">White</string>
     <string name="black_white">Black &amp; White</string>
     <string name="custom">사용자 정의</string>
     <string name="shared">공유</string>
+    <string name="system_default">System default</string>
 
     <!-- What's new -->
     <string name="whats_new">새로운 기능</string>
diff --git a/commons/src/main/res/values-lt/strings.xml b/commons/src/main/res/values-lt/strings.xml
index 24c1b1162..41ae30469 100644
--- a/commons/src/main/res/values-lt/strings.xml
+++ b/commons/src/main/res/values-lt/strings.xml
@@ -276,12 +276,14 @@
     <string name="light_theme">Šviesus</string>
     <string name="dark_theme">Tamsus</string>
     <string name="auto_theme">Automatinis</string>
+    <string name="auto_light_dark_theme">Auto light / dark</string>
     <string name="solarized">Švytintis</string>
     <string name="dark_red">Tamsiai raudonas</string>
     <string name="white">Baltas</string>
     <string name="black_white">Juodai baltas</string>
     <string name="custom">Tinkintas</string>
     <string name="shared">Bendrinamas</string>
+    <string name="system_default">System default</string>
     <!-- What's new -->
     <string name="whats_new">Kas naujo</string>
     <string name="whats_new_disclaimer">* čia yra išvardyti tik svarbesni atnaujinimai, bet visada yra ir smulkesnių</string>
diff --git a/commons/src/main/res/values-nb-rNO/strings.xml b/commons/src/main/res/values-nb-rNO/strings.xml
index 75a8d7c4e..217ee0423 100644
--- a/commons/src/main/res/values-nb-rNO/strings.xml
+++ b/commons/src/main/res/values-nb-rNO/strings.xml
@@ -271,12 +271,14 @@
     <string name="light_theme">Lyst</string>
     <string name="dark_theme">Mørkt</string>
     <string name="auto_theme">Automatisk</string>
+    <string name="auto_light_dark_theme">Auto light / dark</string>
     <string name="solarized">Solarisert</string>
     <string name="dark_red">Mørkerødt</string>
     <string name="white">Hvitt</string>
     <string name="black_white">Svart &amp; hvitt</string>
     <string name="custom">Tilpasset</string>
     <string name="shared">Delt</string>
+    <string name="system_default">System default</string>
     <!-- What's new -->
     <string name="whats_new">Hva er nytt</string>
     <string name="whats_new_disclaimer">* bare de større oppdateringene er oppført her, det er alltid noen mindre forbedringer også</string>
diff --git a/commons/src/main/res/values-nl/strings.xml b/commons/src/main/res/values-nl/strings.xml
index 13461b338..4e8e44228 100644
--- a/commons/src/main/res/values-nl/strings.xml
+++ b/commons/src/main/res/values-nl/strings.xml
@@ -266,12 +266,14 @@
     <string name="light_theme">Licht</string>
     <string name="dark_theme">Donker</string>
     <string name="auto_theme">Automatisch</string>
+    <string name="auto_light_dark_theme">Auto light / dark</string>
     <string name="solarized">Overbelicht</string>
     <string name="dark_red">Donkerrood</string>
     <string name="white">Wit</string>
     <string name="black_white">Zwart-wit</string>
     <string name="custom">Aangepast</string>
     <string name="shared">Gedeeld</string>
+    <string name="system_default">System default</string>
     <!-- What's new -->
     <string name="whats_new">Wat is er nieuw</string>
     <string name="whats_new_disclaimer">* alleen de grotere veranderingen staan hier vermeld, er zijn ook altijd wat kleinere verbeteringen</string>
diff --git a/commons/src/main/res/values-pl/strings.xml b/commons/src/main/res/values-pl/strings.xml
index b23967697..63a331331 100644
--- a/commons/src/main/res/values-pl/strings.xml
+++ b/commons/src/main/res/values-pl/strings.xml
@@ -271,12 +271,14 @@
     <string name="light_theme">Jasny</string>
     <string name="dark_theme">Ciemny</string>
     <string name="auto_theme">Automatyczny</string>
+    <string name="auto_light_dark_theme">Auto light / dark</string>
     <string name="solarized">Solaryzacja</string>
     <string name="dark_red">Ciemnoczerwony</string>
     <string name="white">Biały</string>
     <string name="black_white">Czarno-biały</string>
     <string name="custom">Własny</string>
     <string name="shared">Wspólny</string>
+    <string name="system_default">System default</string>
     <!-- What's new -->
     <string name="whats_new">Co nowego</string>
     <string name="whats_new_disclaimer">* Tutaj wymienione są tylko większe aktualizacje, ale zawsze są też mniejsze usprawnienia.</string>
diff --git a/commons/src/main/res/values-pt-rBR/strings.xml b/commons/src/main/res/values-pt-rBR/strings.xml
index 2707fe826..b085bd01e 100644
--- a/commons/src/main/res/values-pt-rBR/strings.xml
+++ b/commons/src/main/res/values-pt-rBR/strings.xml
@@ -271,12 +271,14 @@
     <string name="light_theme">Claro</string>
     <string name="dark_theme">Escuro</string>
     <string name="auto_theme">Auto</string>
+    <string name="auto_light_dark_theme">Auto light / dark</string>
     <string name="solarized">Ensolarado</string>
     <string name="dark_red">Vermelho Escuro</string>
     <string name="white">Branco</string>
     <string name="black_white">Preto &amp; branco</string>
     <string name="custom">Personalizado</string>
     <string name="shared">Compartilhado</string>
+    <string name="system_default">System default</string>
     <!-- What's new -->
     <string name="whats_new">Novidades</string>
     <string name="whats_new_disclaimer">* apenas as alterações significativas são listadas aqui, mas também há sempre algumas melhorias pequenas não mencionadas</string>
diff --git a/commons/src/main/res/values-pt/strings.xml b/commons/src/main/res/values-pt/strings.xml
index fb31f3ceb..87ed3efa0 100644
--- a/commons/src/main/res/values-pt/strings.xml
+++ b/commons/src/main/res/values-pt/strings.xml
@@ -270,12 +270,14 @@
     <string name="light_theme">Claro</string>
     <string name="dark_theme">Escuro</string>
     <string name="auto_theme">Auto</string>
+    <string name="auto_light_dark_theme">Auto light / dark</string>
     <string name="solarized">Solar</string>
     <string name="dark_red">Vermelho escuro</string>
     <string name="white">Branco</string>
     <string name="black_white">Preto e branco</string>
     <string name="custom">Personalizado</string>
     <string name="shared">Partilhado</string>
+    <string name="system_default">System default</string>
     <!-- What's new -->
     <string name="whats_new">Novidades</string>
     <string name="whats_new_disclaimer">* apenas são listadas as alterações mais significativas. Contudo, existem sempre mais revisões do que as aqui referidas</string>
diff --git a/commons/src/main/res/values-ro/strings.xml b/commons/src/main/res/values-ro/strings.xml
index 3d663adbf..0636ecc47 100644
--- a/commons/src/main/res/values-ro/strings.xml
+++ b/commons/src/main/res/values-ro/strings.xml
@@ -291,12 +291,14 @@
     <string name="light_theme">Deschisă</string>
     <string name="dark_theme">Închisă</string>
     <string name="auto_theme">Automatic</string>
+    <string name="auto_light_dark_theme">Auto light / dark</string>
     <string name="solarized">Solarizat</string>
     <string name="dark_red">Roşu închis</string>
     <string name="white">Alb</string>
     <string name="black_white">Negru &amp; Alb</string>
     <string name="custom">Personalizată</string>
     <string name="shared">Partajată</string>
+    <string name="system_default">System default</string>
 
     <!-- What's new -->
     <string name="whats_new">Ce este nou</string>
diff --git a/commons/src/main/res/values-ru/strings.xml b/commons/src/main/res/values-ru/strings.xml
index 99a076d90..b574c3df6 100644
--- a/commons/src/main/res/values-ru/strings.xml
+++ b/commons/src/main/res/values-ru/strings.xml
@@ -281,12 +281,14 @@
     <string name="light_theme">Светлая</string>
     <string name="dark_theme">Тёмная</string>
     <string name="auto_theme">Автовыбор</string>
+    <string name="auto_light_dark_theme">Auto light / dark</string>
     <string name="solarized">Солнечная</string>
     <string name="dark_red">Тёмно-красная</string>
     <string name="white">Белая</string>
     <string name="black_white">Чёрно-белая</string>
     <string name="custom">Своё</string>
     <string name="shared">Общая</string>
+    <string name="system_default">System default</string>
     <!-- What's new -->
     <string name="whats_new">Что нового</string>
     <string name="whats_new_disclaimer">* здесь представлены только значительные изменения, но всегда присутствуют и мелкие исправления</string>
diff --git a/commons/src/main/res/values-sk/strings.xml b/commons/src/main/res/values-sk/strings.xml
index 84a3d42aa..f34e3769f 100644
--- a/commons/src/main/res/values-sk/strings.xml
+++ b/commons/src/main/res/values-sk/strings.xml
@@ -295,12 +295,14 @@
     <string name="light_theme">Svetlá</string>
     <string name="dark_theme">Tmavá</string>
     <string name="auto_theme">Automatická</string>
+    <string name="auto_light_dark_theme">Automatická svetlá / tmavá</string>
     <string name="solarized">Solarizovaná</string>
     <string name="dark_red">Tmavo červená</string>
     <string name="white">Biela</string>
     <string name="black_white">Čiernobiela</string>
     <string name="custom">Vlastná</string>
     <string name="shared">Zdieľaná</string>
+    <string name="system_default">Systémová</string>
 
     <!-- What's new -->
     <string name="whats_new">Novinky</string>
diff --git a/commons/src/main/res/values-sl/strings.xml b/commons/src/main/res/values-sl/strings.xml
index bf980f9df..918230db0 100644
--- a/commons/src/main/res/values-sl/strings.xml
+++ b/commons/src/main/res/values-sl/strings.xml
@@ -296,12 +296,14 @@
     <string name="light_theme">Svetlo</string>
     <string name="dark_theme">Temno</string>
     <string name="auto_theme">Auto</string>
+    <string name="auto_light_dark_theme">Auto light / dark</string>
     <string name="solarized">Osončeno</string>
     <string name="dark_red">Temno rdeče</string>
     <string name="white">White</string>
     <string name="black_white">Črno &amp; belo</string>
     <string name="custom">Po meri</string>
     <string name="shared">Deljeno</string>
+    <string name="system_default">System default</string>
 
     <!-- What's new -->
     <string name="whats_new">Kaj je novega</string>
diff --git a/commons/src/main/res/values-sr/strings.xml b/commons/src/main/res/values-sr/strings.xml
index aba00818a..31e4d4440 100644
--- a/commons/src/main/res/values-sr/strings.xml
+++ b/commons/src/main/res/values-sr/strings.xml
@@ -290,12 +290,14 @@
     <string name="light_theme">Светла</string>
     <string name="dark_theme">Тамна</string>
     <string name="auto_theme">Auto</string>
+    <string name="auto_light_dark_theme">Auto light / dark</string>
     <string name="solarized">Осветљена</string>
     <string name="dark_red">Тамно црвена</string>
     <string name="white">White</string>
     <string name="black_white">Црно &amp; Бела</string>
     <string name="custom">Прилагођена</string>
     <string name="shared">Дељена</string>
+    <string name="system_default">System default</string>
 
     <!-- What's new -->
     <string name="whats_new">Шта је ново</string>
diff --git a/commons/src/main/res/values-sv/strings.xml b/commons/src/main/res/values-sv/strings.xml
index 73238193e..a50643862 100644
--- a/commons/src/main/res/values-sv/strings.xml
+++ b/commons/src/main/res/values-sv/strings.xml
@@ -290,12 +290,14 @@
     <string name="light_theme">Ljust</string>
     <string name="dark_theme">Mörkt</string>
     <string name="auto_theme">Auto</string>
+    <string name="auto_light_dark_theme">Auto light / dark</string>
     <string name="solarized">Solariserat</string>
     <string name="dark_red">Mörkrött</string>
     <string name="white">White</string>
     <string name="black_white">Svartvitt</string>
     <string name="custom">Anpassat</string>
     <string name="shared">Delat</string>
+    <string name="system_default">System default</string>
 
     <!-- What's new -->
     <string name="whats_new">Vad är nytt</string>
diff --git a/commons/src/main/res/values-ta/strings.xml b/commons/src/main/res/values-ta/strings.xml
index b4d17a152..7f8840929 100644
--- a/commons/src/main/res/values-ta/strings.xml
+++ b/commons/src/main/res/values-ta/strings.xml
@@ -272,12 +272,14 @@
     <string name="light_theme">Light</string>
     <string name="dark_theme">Dark</string>
     <string name="auto_theme">Auto</string>
+    <string name="auto_light_dark_theme">Auto light / dark</string>
     <string name="solarized">Solarized</string>
     <string name="dark_red">Dark red</string>
     <string name="white">White</string>
     <string name="black_white">Black &amp; White</string>
     <string name="custom">Custom</string>
     <string name="shared">Shared</string>
+    <string name="system_default">System default</string>
     <!-- What's new -->
     <string name="whats_new">பதிது என்ன</string>
     <string name="whats_new_disclaimer">* only the bigger updates are listed here, there are always some smaller improvements too</string>
diff --git a/commons/src/main/res/values-tr/strings.xml b/commons/src/main/res/values-tr/strings.xml
index bd6d1fa34..e8a6a68e6 100644
--- a/commons/src/main/res/values-tr/strings.xml
+++ b/commons/src/main/res/values-tr/strings.xml
@@ -269,12 +269,14 @@
     <string name="light_theme">Aydınlık</string>
     <string name="dark_theme">Karanlık</string>
     <string name="auto_theme">Otomatik</string>
+    <string name="auto_light_dark_theme">Auto light / dark</string>
     <string name="solarized">Güneşte kalmış</string>
     <string name="dark_red">Koyu Kırmızı</string>
     <string name="white">Beyaz</string>
     <string name="black_white">Siyah &amp; Beyaz</string>
     <string name="custom">Özel</string>
     <string name="shared">Paylaşılan</string>
+    <string name="system_default">System default</string>
     <!-- What's new -->
     <string name="whats_new">Yenilikler</string>
     <string name="whats_new_disclaimer">* yalnızca büyük güncellemeler burada listelenmiştir; daima bazı küçük geliştirmeler de vardır</string>
diff --git a/commons/src/main/res/values-uk/strings.xml b/commons/src/main/res/values-uk/strings.xml
index 782a0eb2b..eedc06112 100644
--- a/commons/src/main/res/values-uk/strings.xml
+++ b/commons/src/main/res/values-uk/strings.xml
@@ -271,12 +271,14 @@
     <string name="light_theme">Світла</string>
     <string name="dark_theme">Темна</string>
     <string name="auto_theme">Auto</string>
+    <string name="auto_light_dark_theme">Auto light / dark</string>
     <string name="solarized">Солярис</string>
     <string name="dark_red">Темно-червоний</string>
     <string name="white">White</string>
     <string name="black_white">Чорний &amp; Білий</string>
     <string name="custom">Користувацька</string>
     <string name="shared">Загальна</string>
+    <string name="system_default">System default</string>
     <!-- What's new -->
     <string name="whats_new">Що нового</string>
     <string name="whats_new_disclaimer">* тут перераховані тільки великі оновлення, але завжди є менші покращення</string>
diff --git a/commons/src/main/res/values-vi/strings.xml b/commons/src/main/res/values-vi/strings.xml
index 6c3fd9567..d2a390218 100644
--- a/commons/src/main/res/values-vi/strings.xml
+++ b/commons/src/main/res/values-vi/strings.xml
@@ -291,12 +291,14 @@
     <string name="light_theme">Sáng</string>
     <string name="dark_theme">Tối</string>
     <string name="auto_theme">Auto</string>
+    <string name="auto_light_dark_theme">Auto light / dark</string>
     <string name="solarized">Solarized</string>
     <string name="dark_red">Đỏ sẫm</string>
     <string name="white">White</string>
     <string name="black_white">Đen &amp; trắng</string>
     <string name="custom">Tùy chỉnh</string>
     <string name="shared">Đã chia sẻ</string>
+    <string name="system_default">System default</string>
 
     <!-- What's new -->
     <string name="whats_new">Có gì mới ? </string>
diff --git a/commons/src/main/res/values-zh-rCN/strings.xml b/commons/src/main/res/values-zh-rCN/strings.xml
index bfe0cf8db..c7e755d54 100644
--- a/commons/src/main/res/values-zh-rCN/strings.xml
+++ b/commons/src/main/res/values-zh-rCN/strings.xml
@@ -268,12 +268,14 @@
     <string name="light_theme">浅色主题</string>
     <string name="dark_theme">深色主题</string>
     <string name="auto_theme">自动</string>
+    <string name="auto_light_dark_theme">Auto light / dark</string>
     <string name="solarized">曝光过度</string>
     <string name="dark_red">深红</string>
     <string name="white">白色</string>
     <string name="black_white">黑白</string>
     <string name="custom">自定义</string>
     <string name="shared">共享</string>
+    <string name="system_default">System default</string>
     <!-- What's new -->
     <string name="whats_new">更新日志</string>
     <string name="whats_new_disclaimer">* 此处仅列举了重大更新，更多修正可在使用中体验</string>
diff --git a/commons/src/main/res/values-zh-rTW/strings.xml b/commons/src/main/res/values-zh-rTW/strings.xml
index 9b8f1035f..f424ef3b0 100644
--- a/commons/src/main/res/values-zh-rTW/strings.xml
+++ b/commons/src/main/res/values-zh-rTW/strings.xml
@@ -268,12 +268,14 @@
     <string name="light_theme">明亮主題</string>
     <string name="dark_theme">灰暗主題</string>
     <string name="auto_theme">Auto</string>
+    <string name="auto_light_dark_theme">Auto light / dark</string>
     <string name="solarized">Solarized</string>
     <string name="dark_red">深紅主題</string>
     <string name="white">White</string>
     <string name="black_white">黑白主題</string>
     <string name="custom">自訂</string>
     <string name="shared">分享</string>
+    <string name="system_default">System default</string>
     <!-- What's new -->
     <string name="whats_new">更新了什麼</string>
     <string name="whats_new_disclaimer">*此處僅列出大更新，尚有一些小改善</string>
diff --git a/commons/src/main/res/values/strings.xml b/commons/src/main/res/values/strings.xml
index 0cb68aa36..e01705e1f 100644
--- a/commons/src/main/res/values/strings.xml
+++ b/commons/src/main/res/values/strings.xml
@@ -291,12 +291,14 @@
     <string name="light_theme">Light</string>
     <string name="dark_theme">Dark</string>
     <string name="auto_theme">Auto</string>
+    <string name="auto_light_dark_theme">Auto light / dark</string>
     <string name="solarized">Solarized</string>
     <string name="dark_red">Dark red</string>
     <string name="white">White</string>
     <string name="black_white">Black &amp; White</string>
     <string name="custom">Custom</string>
     <string name="shared">Shared</string>
+    <string name="system_default">System default</string>
 
     <!-- What's new -->
     <string name="whats_new">What\'s new</string>