diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5cc5a8224..db7b1f687 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,7 @@
     * Added `Medium::attribute()` to pass arbitrary attributes [#3065](https://github.com/getgrav/grav/pull/3065)
     * Added `Plugins::getPlugins()` and `Plugins::getPlugin($name)` to make it easier to access plugin instances [#2277](https://github.com/getgrav/grav/pull/2277)
     * Added `regex_match` and `regex_split` twig functions [#2788](https://github.com/getgrav/grav/pull/2788)
+    * Updated all languages from [Crowdin](https://crowdin.com/project/grav-core) - Please update any translations here
 1. [](#improved)
     * Added abstract `FlexObject`, `FlexCollection` and `FlexIndex` classes to `\Grav\Common\Flex` namespace (extend those instead of Framework or Generic classes)
     * Updated bundled `composer.phar` binary to latest version `2.0.9`
@@ -14,6 +15,7 @@
     * Added `$grav->getVersion()` or `grav.version` in twig to get the current Grav version [#3142](https://github.com/getgrav/grav/issues/3142)
     * Added second parameter to `$blueprint->flattenData()` to include every field, including those which have no data
     * Added support for setting session domain [#2040](https://github.com/getgrav/grav/pull/2040)
+    * Better support inheriting languages when using child themes [#3226](https://github.com/getgrav/grav/pull/3226)
     * Added option for `FlexForm` constructor to reset the form
 1. [](#bugfix)
     * Fixed issue with `content-security-policy` not being properly supported with `http-equiv` + support single quotes
diff --git a/composer.lock b/composer.lock
index b604ef8cc..eafebfcee 100644
--- a/composer.lock
+++ b/composer.lock
@@ -2584,7 +2584,7 @@
         },
         {
             "name": "symfony/polyfill-ctype",
-            "version": "v1.22.0",
+            "version": "v1.22.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/polyfill-ctype.git",
@@ -2643,7 +2643,7 @@
                 "portable"
             ],
             "support": {
-                "source": "https://github.com/symfony/polyfill-ctype/tree/v1.22.0"
+                "source": "https://github.com/symfony/polyfill-ctype/tree/v1.22.1"
             },
             "funding": [
                 {
@@ -2663,16 +2663,16 @@
         },
         {
             "name": "symfony/polyfill-iconv",
-            "version": "v1.22.0",
+            "version": "v1.22.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/polyfill-iconv.git",
-                "reference": "b34bfb8c4c22650ac080d2662ae3502e5f2f4ae6"
+                "reference": "06fb361659649bcfd6a208a0f1fcaf4e827ad342"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/polyfill-iconv/zipball/b34bfb8c4c22650ac080d2662ae3502e5f2f4ae6",
-                "reference": "b34bfb8c4c22650ac080d2662ae3502e5f2f4ae6",
+                "url": "https://api.github.com/repos/symfony/polyfill-iconv/zipball/06fb361659649bcfd6a208a0f1fcaf4e827ad342",
+                "reference": "06fb361659649bcfd6a208a0f1fcaf4e827ad342",
                 "shasum": ""
             },
             "require": {
@@ -2723,7 +2723,7 @@
                 "shim"
             ],
             "support": {
-                "source": "https://github.com/symfony/polyfill-iconv/tree/v1.22.0"
+                "source": "https://github.com/symfony/polyfill-iconv/tree/v1.22.1"
             },
             "funding": [
                 {
@@ -2739,20 +2739,20 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2021-01-07T16:49:33+00:00"
+            "time": "2021-01-22T09:19:47+00:00"
         },
         {
             "name": "symfony/polyfill-mbstring",
-            "version": "v1.22.0",
+            "version": "v1.22.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/polyfill-mbstring.git",
-                "reference": "f377a3dd1fde44d37b9831d68dc8dea3ffd28e13"
+                "reference": "5232de97ee3b75b0360528dae24e73db49566ab1"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/polyfill-mbstring/zipball/f377a3dd1fde44d37b9831d68dc8dea3ffd28e13",
-                "reference": "f377a3dd1fde44d37b9831d68dc8dea3ffd28e13",
+                "url": "https://api.github.com/repos/symfony/polyfill-mbstring/zipball/5232de97ee3b75b0360528dae24e73db49566ab1",
+                "reference": "5232de97ee3b75b0360528dae24e73db49566ab1",
                 "shasum": ""
             },
             "require": {
@@ -2803,7 +2803,7 @@
                 "shim"
             ],
             "support": {
-                "source": "https://github.com/symfony/polyfill-mbstring/tree/v1.22.0"
+                "source": "https://github.com/symfony/polyfill-mbstring/tree/v1.22.1"
             },
             "funding": [
                 {
@@ -2819,11 +2819,11 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2021-01-07T16:49:33+00:00"
+            "time": "2021-01-22T09:19:47+00:00"
         },
         {
             "name": "symfony/polyfill-php74",
-            "version": "v1.22.0",
+            "version": "v1.22.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/polyfill-php74.git",
@@ -2883,7 +2883,7 @@
                 "shim"
             ],
             "support": {
-                "source": "https://github.com/symfony/polyfill-php74/tree/v1.22.0"
+                "source": "https://github.com/symfony/polyfill-php74/tree/v1.22.1"
             },
             "funding": [
                 {
@@ -2903,7 +2903,7 @@
         },
         {
             "name": "symfony/polyfill-php80",
-            "version": "v1.22.0",
+            "version": "v1.22.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/polyfill-php80.git",
@@ -2966,7 +2966,7 @@
                 "shim"
             ],
             "support": {
-                "source": "https://github.com/symfony/polyfill-php80/tree/v1.22.0"
+                "source": "https://github.com/symfony/polyfill-php80/tree/v1.22.1"
             },
             "funding": [
                 {
@@ -4492,16 +4492,16 @@
         },
         {
             "name": "phpstan/phpstan",
-            "version": "0.12.74",
+            "version": "0.12.76",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpstan/phpstan.git",
-                "reference": "bc5f9483c8f461c86653dcbd040cf0d2778c91a2"
+                "reference": "7aaaf9a759a29795e8f46d48041af1c1f1b23d38"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/bc5f9483c8f461c86653dcbd040cf0d2778c91a2",
-                "reference": "bc5f9483c8f461c86653dcbd040cf0d2778c91a2",
+                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/7aaaf9a759a29795e8f46d48041af1c1f1b23d38",
+                "reference": "7aaaf9a759a29795e8f46d48041af1c1f1b23d38",
                 "shasum": ""
             },
             "require": {
@@ -4532,7 +4532,7 @@
             "description": "PHPStan - PHP Static Analysis Tool",
             "support": {
                 "issues": "https://github.com/phpstan/phpstan/issues",
-                "source": "https://github.com/phpstan/phpstan/tree/0.12.74"
+                "source": "https://github.com/phpstan/phpstan/tree/0.12.76"
             },
             "funding": [
                 {
@@ -4548,7 +4548,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2021-02-08T15:00:25+00:00"
+            "time": "2021-02-13T11:47:44+00:00"
         },
         {
             "name": "phpstan/phpstan-deprecation-rules",
diff --git a/system/languages/ar.yaml b/system/languages/ar.yaml
index 04e63f976..960540588 100644
--- a/system/languages/ar.yaml
+++ b/system/languages/ar.yaml
@@ -1,6 +1,17 @@
 ---
 GRAV:
   FRONTMATTER_ERROR_PAGE: "---\nالعنوان: %1$s\n---\n# خطأ: مادة أمامية غير صحيحة\n\nمسار: '%2$s'\n\n**%3$s**\n\n, , ,\n\n%4$s\n, , ,"
+  INFLECTOR_UNCOUNTABLE:
+    - 'معدّات'
+    - 'معلومات'
+    - 'أرز'
+    - 'مال'
+    - 'نوع'
+    - 'سلسلة'
+    - 'سمك'
+    - 'خروف'
+  INFLECTOR_IRREGULAR:
+    'person': 'أشخاص'
   NICETIME:
     NO_DATE_PROVIDED: لم يتم تقديم التاريخ
     BAD_DATE: تاريخ خاطئ
@@ -37,8 +48,8 @@ GRAV:
     YR_PLURAL: سنوات
     DEC_PLURAL: عقود
   FORM:
-    VALIDATION_FAIL: <b>فشل التحقق من صحة:</b>
-    INVALID_INPUT: إدخال غير صحيح في
+    VALIDATION_FAIL: '<b>فشل التحقق من صحة:</b>'
+    INVALID_INPUT: 'إدخال غير صحيح في'
     MISSING_REQUIRED_FIELD: 'حقل مطلوب مفقود:'
   MONTHS_OF_THE_YEAR:
     - 'كانون الثاني'
@@ -61,3 +72,11 @@ GRAV:
     - 'الجمعة'
     - 'السبت'
     - 'الأحد'
+  CRON:
+    EVERY: كل
+    EVERY_HOUR: كل ساعة
+    EVERY_MINUTE: كل دقيقة
+    EVERY_DAY_OF_WEEK: كل يوم في الأسبوع
+    EVERY_DAY_OF_MONTH: كل يوم في الشهر
+    EVERY_MONTH: ' كل شهر'
+    TEXT_PERIOD: كل <b />
diff --git a/system/languages/bg.yaml b/system/languages/bg.yaml
index 48daceb16..174b3a45d 100644
--- a/system/languages/bg.yaml
+++ b/system/languages/bg.yaml
@@ -36,8 +36,8 @@ GRAV:
     YR_PLURAL: г
     DEC_PLURAL: дстлт
   FORM:
-    VALIDATION_FAIL: <b>Неуспешна проверка:</b>
-    INVALID_INPUT: Невалидно въвеждане в
+    VALIDATION_FAIL: '<b>Неуспешна проверка:</b>'
+    INVALID_INPUT: 'Невалидно въвеждане в'
     MISSING_REQUIRED_FIELD: 'Липсва задължително поле:'
   MONTHS_OF_THE_YEAR:
     - 'януари'
diff --git a/system/languages/ca.yaml b/system/languages/ca.yaml
index bd04474c0..7795aef8b 100644
--- a/system/languages/ca.yaml
+++ b/system/languages/ca.yaml
@@ -1,6 +1,15 @@
 ---
 GRAV:
   FRONTMATTER_ERROR_PAGE: "---\ntitle: %1$s\n---\n\n# S'ha produït un error: Frontmatter invàlid\n\nRuta: `%2$s`\n\n**%3$s**\n\n```\n%4$s\n```"
+  INFLECTOR_UNCOUNTABLE:
+    - 'equipment'
+    - 'informació'
+    - 'rice'
+    - 'money'
+    - 'species'
+    - 'series'
+    - 'fish'
+    - 'sheep'
   NICETIME:
     NO_DATE_PROVIDED: No s'ha proporcionat data
     BAD_DATE: Data invàlida
@@ -36,8 +45,8 @@ GRAV:
     YR_PLURAL: anys
     DEC_PLURAL: dèc.
   FORM:
-    VALIDATION_FAIL: <b>Ha fallat la validació:</b>
-    INVALID_INPUT: Entrada no vàlida a
+    VALIDATION_FAIL: '<b>Ha fallat la validació:</b>'
+    INVALID_INPUT: 'Entrada no vàlida a'
     MISSING_REQUIRED_FIELD: 'Falta camp obligatori:'
   MONTHS_OF_THE_YEAR:
     - 'Gener'
diff --git a/system/languages/cs.yaml b/system/languages/cs.yaml
index 80844c997..bfad42364 100644
--- a/system/languages/cs.yaml
+++ b/system/languages/cs.yaml
@@ -101,9 +101,10 @@ GRAV:
     YR_PLURAL: r
     DEC_PLURAL: dek
   FORM:
-    VALIDATION_FAIL: <b>Ověření se nezdařilo:</b>
-    INVALID_INPUT: Neplatný vstup v
+    VALIDATION_FAIL: '<b>Ověření se nezdařilo:</b>'
+    INVALID_INPUT: 'Neplatný vstup v'
     MISSING_REQUIRED_FIELD: 'Chybí požadované pole:'
+    XSS_ISSUES: "Byly zjištěny možné problémy XSS v poli '%s'"
   MONTHS_OF_THE_YEAR:
     - 'leden'
     - 'únor'
@@ -125,6 +126,8 @@ GRAV:
     - 'pátek'
     - 'sobota'
     - 'neděle'
+  YES: "Ano"
+  NO: "Ne"
   CRON:
     EVERY: každý
     EVERY_HOUR: každou hodinu
diff --git a/system/languages/da.yaml b/system/languages/da.yaml
index 17ce683ba..f23477c53 100644
--- a/system/languages/da.yaml
+++ b/system/languages/da.yaml
@@ -1,11 +1,27 @@
 ---
 GRAV:
   FRONTMATTER_ERROR_PAGE: "---\nTitel: %1$s\n---\n\n# Fejl: Ugyldigt frontmatter\n\nSti: `%2$s`\n\n**%3$s**\n\n```\n%4$s\n```"
+  INFLECTOR_UNCOUNTABLE:
+    - 'udstyr'
+    - 'information'
+    - 'ris'
+    - 'penge'
+    - 'arter'
+    - 'Serier'
+    - 'fisk'
+    - 'får'
+  INFLECTOR_IRREGULAR:
+    'person': 'personer'
+    'man': 'mænd'
+    'child': 'børn'
+    'sex': 'køn'
+    'move': 'flyt'
   NICETIME:
     NO_DATE_PROVIDED: Ingen dato angivet
     BAD_DATE: Ugyldig dato
     AGO: siden
     FROM_NOW: fra nu
+    JUST_NOW: lige nu
     SECOND: sekund
     MINUTE: minut
     HOUR: time
@@ -15,6 +31,7 @@ GRAV:
     YEAR: år
     DECADE: årti
     SEC: sek
+    MIN: min.
     HR: t
     WK: u
     MO: md
@@ -36,8 +53,8 @@ GRAV:
     YR_PLURAL: år
     DEC_PLURAL: årtier
   FORM:
-    VALIDATION_FAIL: <b>Validering mislykkedes:</b>
-    INVALID_INPUT: Ugyldigt input i
+    VALIDATION_FAIL: '<b>Validering mislykkedes:</b>'
+    INVALID_INPUT: 'Ugyldigt input i'
     MISSING_REQUIRED_FIELD: 'Mangler obligatorisk felt:'
   MONTHS_OF_THE_YEAR:
     - 'januar'
@@ -60,3 +77,14 @@ GRAV:
     - 'fredag'
     - 'lørdag'
     - 'søndag'
+  CRON:
+    EVERY: hver
+    EVERY_HOUR: hver time
+    EVERY_MINUTE: hvert minut
+    EVERY_DAY_OF_WEEK: alle ugens dage
+    EVERY_DAY_OF_MONTH: alle dage i måneden
+    EVERY_MONTH: hver måned
+    TEXT_PERIOD: Hver <b />
+    TEXT_MINS: ' ved <b /> minut(ter) over timen'
+    ERROR1: Tagget %s understøttes ikke!
+    ERROR2: Ugyldigt antal elementer
diff --git a/system/languages/de.yaml b/system/languages/de.yaml
index 533cf89c3..45c24e79c 100644
--- a/system/languages/de.yaml
+++ b/system/languages/de.yaml
@@ -101,9 +101,10 @@ GRAV:
     YR_PLURAL: Jahre
     DEC_PLURAL: Jahrzehnten
   FORM:
-    VALIDATION_FAIL: <b>Überprüfung fehlgeschlagen:</b>
-    INVALID_INPUT: Ungültige Eingabe in
+    VALIDATION_FAIL: '<b>Überprüfung fehlgeschlagen:</b>'
+    INVALID_INPUT: 'Ungültige Eingabe in'
     MISSING_REQUIRED_FIELD: 'Erforderliches Feld fehlt:'
+    XSS_ISSUES: "Potenzielle XSS-Probleme im Feld '%s' erkannt"
   MONTHS_OF_THE_YEAR:
     - 'Januar'
     - 'Februar'
@@ -125,8 +126,8 @@ GRAV:
     - 'Freitag'
     - 'Samstag'
     - 'Sonntag'
-  YES: 'Ja'
-  NO: 'Nein'
+  YES: "Ja"
+  NO: "Nein"
   CRON:
     EVERY: jede
     EVERY_HOUR: jede Stunde
diff --git a/system/languages/el.yaml b/system/languages/el.yaml
index 1faa8dd87..28619f809 100644
--- a/system/languages/el.yaml
+++ b/system/languages/el.yaml
@@ -1,11 +1,75 @@
 ---
 GRAV:
   FRONTMATTER_ERROR_PAGE: "---\nΤίτλος: %1$s\n---\n\n# Σφάλμα: Μη έγκυρη διαδρομή Frontmatter\n\nΔιαδρομή: `%2$s`\n\n**%3$s**\n\n```\n%4$s\n```"
+  INFLECTOR_PLURALS:
+    '/(quiz)$/i': '\1zes'
+    '/^(ox)$/i': '\1en'
+    '/([m|l])ouse$/i': '\1ice'
+    '/(matr|vert|ind)ix|ex$/i': '\1ices'
+    '/(x|ch|ss|sh)$/i': '\1es'
+    '/([^aeiouy]|qu)ies$/i': '\1y'
+    '/([^aeiouy]|qu)y$/i': '\1ies'
+    '/(hive)$/i': '\1s'
+    '/(?:([^f])fe|([lr])f)$/i': '\1\2ves'
+    '/sis$/i': 'ses'
+    '/([ti])um$/i': '\1a'
+    '/(buffal|tomat)o$/i': '\1oes'
+    '/(bu)s$/i': '\1ses'
+    '/(alias|status)/i': '\1es'
+    '/(octop|vir)us$/i': '\1i'
+    '/(ax|test)is$/i': '\1es'
+    '/s$/i': 's'
+    '/$/': 's'
+  INFLECTOR_SINGULAR:
+    '/(quiz)zes$/i': '\1'
+    '/(matr)ices$/i': '\1ix'
+    '/(vert|ind)ices$/i': '\1ex'
+    '/^(ox)en/i': '\1'
+    '/(alias|status)es$/i': '\1'
+    '/([octop|vir])i$/i': '\1us'
+    '/(cris|ax|test)es$/i': '\1is'
+    '/(shoe)s$/i': '\1'
+    '/(o)es$/i': '\1'
+    '/(bus)es$/i': '\1'
+    '/([m|l])ice$/i': '\1ouse'
+    '/(x|ch|ss|sh)es$/i': '\1'
+    '/(m)ovies$/i': '\1ovie'
+    '/(s)eries$/i': '\1eries'
+    '/([^aeiouy]|qu)ies$/i': '\1y'
+    '/([lr])ves$/i': '\1f'
+    '/(tive)s$/i': '\1'
+    '/(hive)s$/i': '\1'
+    '/([^f])ves$/i': '\1fe'
+    '/(^analy)ses$/i': '\1sis'
+    '/((a)naly|(b)a|(d)iagno|(p)arenthe|(p)rogno|(s)ynop|(t)he)ses$/i': '\1\2sis'
+    '/([ti])a$/i': '\1um'
+    '/(n)ews$/i': '\1ews'
+  INFLECTOR_UNCOUNTABLE:
+    - 'εξοπλισμός'
+    - 'πληροφοριες'
+    - 'rice'
+    - 'χρήματα'
+    - 'είδη'
+    - 'σειρές'
+    - 'ψάρι'
+    - 'πρόβατο'
+  INFLECTOR_IRREGULAR:
+    'person': 'άνθρωποι'
+    'man': 'άνδρες'
+    'child': 'παιδιά'
+    'sex': 'φύλο'
+    'move': 'κινήσεις'
+  INFLECTOR_ORDINALS:
+    'default': 'th'
+    'first': 'st'
+    'second': 'nd'
+    'third': 'rd'
   NICETIME:
     NO_DATE_PROVIDED: Δεν δόθηκε καμία ημερομηνία
     BAD_DATE: Εσφαλμένη ημερομηνία
     AGO: πρίν
     FROM_NOW: από τώρα
+    JUST_NOW: μόλις τώρα
     SECOND: δευτερόλεπτο
     MINUTE: λεπτό
     HOUR: ώρα
@@ -37,8 +101,8 @@ GRAV:
     YR_PLURAL: έτη
     DEC_PLURAL: δεκαετίες
   FORM:
-    VALIDATION_FAIL: <b>Η επικύρωση απέτυχε:</b>
-    INVALID_INPUT: Μη έγκυρα δεδομένα σε
+    VALIDATION_FAIL: '<b>Η επικύρωση απέτυχε:</b>'
+    INVALID_INPUT: 'Μη έγκυρα δεδομένα σε'
     MISSING_REQUIRED_FIELD: 'Λείπει το απαιτούμενο πεδίο:'
   MONTHS_OF_THE_YEAR:
     - 'Ιανουάριος'
@@ -61,3 +125,20 @@ GRAV:
     - 'Παρασκευή'
     - 'Σάββατο'
     - 'Κυριακή'
+  CRON:
+    EVERY: κάθε
+    EVERY_HOUR: κάθε ώρα
+    EVERY_MINUTE: κάθε λεπτό
+    EVERY_DAY_OF_WEEK: κάθε μέρα της εβδομάδος
+    EVERY_DAY_OF_MONTH: κάθε μέρα του μήνα
+    EVERY_MONTH: κάθε μήνα
+    TEXT_PERIOD: Κάθε <b />
+    TEXT_MINS: ' κατά <b /> λεπτό(ά) μετά την ώρα'
+    TEXT_TIME: ' στο <b />:<b />'
+    TEXT_DOW: ' στις <b />'
+    TEXT_MONTH: ' από <b />'
+    TEXT_DOM: ' στις <b />'
+    ERROR1: Η ετικέτα %s δεν υποστηρίζεται!
+    ERROR2: Μη έγκυρος αριθμός στοιχείων
+    ERROR3: Το jquery_element θα έπρεπε να οριστεί στις ρυθμίσεις του jqCron
+    ERROR4: Μη αναγνωρισμένη έκφραση
diff --git a/system/languages/es.yaml b/system/languages/es.yaml
index 7bacfeb98..95827ee2b 100644
--- a/system/languages/es.yaml
+++ b/system/languages/es.yaml
@@ -1,19 +1,25 @@
 ---
 GRAV:
-  FRONTMATTER_ERROR_PAGE: "---\ntítulo: %1$s\n---\n\n# Error: Frontmatter no válido\n\nRuta: `%2$s`\n\n**%3$s**\n\n```\n%4$s\n```"
+  FRONTMATTER_ERROR_PAGE: "---\ntítulo: %1$s\n---\n\n# Error: Prefacio no válido\n\nRuta: `%2$s`\n\n**%3$s**\n\n```\n%4$s\n```"
+  INFLECTOR_PLURALS:
+    '/(quiz)$/i': '\1ios'
+    '/s$/i': 's'
+    '/$/': 's'
   INFLECTOR_UNCOUNTABLE:
-    - 'equipo'
+    - 'equipamiento'
     - 'información'
-    - 'rice'
+    - 'arroz'
     - 'dinero'
-    - 'species'
+    - 'especies'
     - 'series'
     - 'pescado'
     - 'oveja'
   INFLECTOR_IRREGULAR:
+    'person': 'personas'
     'man': 'hombres'
     'child': 'niños'
     'sex': 'sexos'
+    'move': 'movido'
   INFLECTOR_ORDINALS:
     'first': 'ro'
     'second': 'do'
@@ -33,10 +39,12 @@ GRAV:
     YEAR: año
     DECADE: década
     SEC: seg
+    MIN: min
     HR: h
     WK: sem
     MO: mes
     YR: año
+    DEC: dic
     SECOND_PLURAL: segundos
     MINUTE_PLURAL: minutos
     HOUR_PLURAL: horas
@@ -46,6 +54,7 @@ GRAV:
     YEAR_PLURAL: años
     DECADE_PLURAL: décadas
     SEC_PLURAL: segs
+    MIN_PLURAL: mins
     HR_PLURAL: hs
     WK_PLURAL: sem
     MO_PLURAL: mes
@@ -55,6 +64,7 @@ GRAV:
     VALIDATION_FAIL: '<b>Falló la validación: </b>'
     INVALID_INPUT: 'Dato inválido en: '
     MISSING_REQUIRED_FIELD: 'Falta el campo requerido: '
+    XSS_ISSUES: "Se detectaron problemas XSS potenciales en el campo '%s'"
   MONTHS_OF_THE_YEAR:
     - 'Enero'
     - 'Febrero'
@@ -76,6 +86,8 @@ GRAV:
     - 'Viernes'
     - 'Sábado'
     - 'Domingo'
+  YES: "Si"
+  NO: "No"
   CRON:
     EVERY: cada
     EVERY_HOUR: cada hora
diff --git a/system/languages/et.yaml b/system/languages/et.yaml
index 619aa1a73..e5659d333 100644
--- a/system/languages/et.yaml
+++ b/system/languages/et.yaml
@@ -1,11 +1,22 @@
 ---
 GRAV:
   FRONTMATTER_ERROR_PAGE: "---\npealkiri: %1$s\n---\n\n# Viga: vigane Frontmatter'i\n\nasukoht: `%2$s`\n\n**%3$s**\n\n```\n%4$s\n```"
+  INFLECTOR_PLURALS:
+    '/(octop|vir)us$/i': '\1i'
+  INFLECTOR_SINGULAR:
+    '/^(ox)en/i': '\1'
+    '/(alias|status)es$/i': '\1'
+    '/(shoe)s$/i': '\1'
+    '/(o)es$/i': '\1'
+    '/(bus)es$/i': '\1'
+    '/(x|ch|ss|sh)es$/i': '\1'
+    '/(tive)s$/i': '\1'
+    '/(hive)s$/i': '\1'
   INFLECTOR_UNCOUNTABLE:
     - 'equipment'
     - 'informatsioon'
-    - 'rice'
-    - 'money'
+    - 'riis'
+    - 'raha'
     - 'species'
     - 'series'
     - 'kala'
@@ -34,6 +45,7 @@ GRAV:
     YEAR: aasta
     DECADE: 10 aastat
     SEC: sek
+    MIN: min
     HR: t
     WK: näd
     MO: k.
@@ -55,7 +67,7 @@ GRAV:
     YR_PLURAL: aastat
     DEC_PLURAL: dek.
   FORM:
-    VALIDATION_FAIL: <b>Kinnitamine nurjus:</b>
+    VALIDATION_FAIL: '<b>Kinnitamine nurjus:</b>'
     INVALID_INPUT: 'Vigane sisend:'
     MISSING_REQUIRED_FIELD: 'Nõutud väli puudub:'
   MONTHS_OF_THE_YEAR:
@@ -81,5 +93,12 @@ GRAV:
     - 'pühapäev'
   CRON:
     EVERY: iga
+    EVERY_HOUR: iga tund
+    EVERY_MINUTE: iga minut
+    EVERY_DAY_OF_WEEK: iga nädala päev
     EVERY_MONTH: iga kuu
     TEXT_PERIOD: Iga <b />
+    ERROR1: Silt %s pole toetatud!
+    ERROR2: Vale elementide arv
+    ERROR3: jqCron seadetes peaks olema määratud jquery_element
+    ERROR4: Tundmatu väljend
diff --git a/system/languages/eu.yaml b/system/languages/eu.yaml
index 4a9a58e9e..91c3c8e2c 100644
--- a/system/languages/eu.yaml
+++ b/system/languages/eu.yaml
@@ -36,8 +36,8 @@ GRAV:
     YR_PLURAL: urt
     DEC_PLURAL: ham
   FORM:
-    VALIDATION_FAIL: <b>Balidazioak huts egin du</b>
-    INVALID_INPUT: Baliogabeko sarrera
+    VALIDATION_FAIL: '<b>Balidazioak huts egin du</b>'
+    INVALID_INPUT: 'Baliogabeko sarrera'
     MISSING_REQUIRED_FIELD: 'Derrigorrezko eremua bete gabe:'
   MONTHS_OF_THE_YEAR:
     - 'Urtarrila'
diff --git a/system/languages/fa.yaml b/system/languages/fa.yaml
index 186f79d79..96b96dc04 100644
--- a/system/languages/fa.yaml
+++ b/system/languages/fa.yaml
@@ -36,8 +36,8 @@ GRAV:
     YR_PLURAL: سال
     DEC_PLURAL: دهه
   FORM:
-    VALIDATION_FAIL: <b>سنجش اعتبار ناموفق بود</b>
-    INVALID_INPUT: ورودی نامعتبر در
+    VALIDATION_FAIL: '<b>سنجش اعتبار ناموفق بود</b>'
+    INVALID_INPUT: 'ورودی نامعتبر در'
     MISSING_REQUIRED_FIELD: 'قسمت ضروری جا افتاده:'
   MONTHS_OF_THE_YEAR:
     - 'ژانویه'
diff --git a/system/languages/fi.yaml b/system/languages/fi.yaml
index e84c19f66..4cb547c68 100644
--- a/system/languages/fi.yaml
+++ b/system/languages/fi.yaml
@@ -100,8 +100,8 @@ GRAV:
     YR_PLURAL: v
     DEC_PLURAL: vuosikymmentä
   FORM:
-    VALIDATION_FAIL: <b>Vahvistus epäonnistui:</b>
-    INVALID_INPUT: Syöte ei kelpaa
+    VALIDATION_FAIL: '<b>Vahvistus epäonnistui:</b>'
+    INVALID_INPUT: 'Syöte ei kelpaa'
     MISSING_REQUIRED_FIELD: 'Puuttuva pakollinen kenttä:'
   MONTHS_OF_THE_YEAR:
     - 'Tammikuu'
diff --git a/system/languages/fr.yaml b/system/languages/fr.yaml
index 9284f7e6d..d9fa177ea 100644
--- a/system/languages/fr.yaml
+++ b/system/languages/fr.yaml
@@ -16,6 +16,7 @@ GRAV:
     '/(buffal|tomat)o$/i': '\1es'
     '/(bu)s$/i': 'Bus'
     '/(alias|status)/i': 'alias|status'
+    '/(octop|vir)us$/i': 'virus'
     '/(ax|test)is$/i': '\1s'
     '/s$/i': 's'
     '/$/': 's'
@@ -80,30 +81,30 @@ GRAV:
     YR_PLURAL: a
     DEC_PLURAL: décs
   FORM:
-    VALIDATION_FAIL: <b>La validation a échoué :</b>
-    INVALID_INPUT: Saisie non valide
+    VALIDATION_FAIL: '<b>La validation a échoué :</b>'
+    INVALID_INPUT: 'Saisie non valide'
     MISSING_REQUIRED_FIELD: 'Champ obligatoire manquant :'
   MONTHS_OF_THE_YEAR:
-    - 'Janvier'
-    - 'Février'
-    - 'Mars'
-    - 'Avril'
-    - 'Mai'
-    - 'Juin'
-    - 'Juillet'
-    - 'Août'
-    - 'Septembre'
-    - 'Octobre'
-    - 'Novembre'
-    - 'Décembre'
+    - 'janvier'
+    - 'février'
+    - 'mars'
+    - 'avril'
+    - 'mai'
+    - 'juin'
+    - 'juillet'
+    - 'août'
+    - 'septembre'
+    - 'octobre'
+    - 'novembre'
+    - 'décembre'
   DAYS_OF_THE_WEEK:
-    - 'Lundi'
-    - 'Mardi'
-    - 'Mercredi'
-    - 'Jeudi'
-    - 'Vendredi'
-    - 'Samedi'
-    - 'Dimanche'
+    - 'lundi'
+    - 'mardi'
+    - 'mercredi'
+    - 'jeudi'
+    - 'vendredi'
+    - 'samedi'
+    - 'dimanche'
   CRON:
     EVERY: chaque
     EVERY_HOUR: toutes les heures
diff --git a/system/languages/gl.yaml b/system/languages/gl.yaml
new file mode 100644
index 000000000..b016c59c3
--- /dev/null
+++ b/system/languages/gl.yaml
@@ -0,0 +1,144 @@
+---
+GRAV:
+  FRONTMATTER_ERROR_PAGE: "---\ntítulo: %1$s\n---\n\n# Erro: Limiar incorrecto\n\nRuta: `%2$s`\n\n**%3$s**\n\n```\n%4$s\n```"
+  INFLECTOR_PLURALS:
+    '/(quiz)$/i': '\1zes'
+    '/^(ox)$/i': '\1en'
+    '/([m|l])ouse$/i': '\1ice'
+    '/(matr|vert|ind)ix|ex$/i': '\1ices'
+    '/(x|ch|ss|sh)$/i': '\1es'
+    '/([^aeiouy]|qu)ies$/i': '\1y'
+    '/([^aeiouy]|qu)y$/i': '\1ies'
+    '/(hive)$/i': '\1s'
+    '/(?:([^f])fe|([lr])f)$/i': '\1\2ves'
+    '/sis$/i': 'ses'
+    '/([ti])um$/i': '\1a'
+    '/(buffal|tomat)o$/i': '\1oes'
+    '/(bu)s$/i': '\1ses'
+    '/(alias|status)/i': '\1'
+    '/(octop|vir)us$/i': '\1'
+    '/(ax|test)is$/i': '\1es'
+    '/s$/i': 's'
+    '/$/': 's'
+  INFLECTOR_SINGULAR:
+    '/(quiz)zes$/i': '\1ces'
+    '/(matr)ices$/i': '\1ix'
+    '/(vert|ind)ices$/i': '\1ex'
+    '/^(ox)en/i': '\1'
+    '/(alias|status)es$/i': '\1'
+    '/([octop|vir])i$/i': '\1'
+    '/(cris|ax|test)es$/i': '\1es'
+    '/(shoe)s$/i': '\1'
+    '/(o)es$/i': '\1'
+    '/(bus)es$/i': '\1'
+    '/([m|l])ice$/i': '\1ouse'
+    '/(x|ch|ss|sh)es$/i': '\1'
+    '/(m)ovies$/i': '\1ovie'
+    '/(s)eries$/i': '\1eries'
+    '/([^aeiouy]|qu)ies$/i': '\1'
+    '/([lr])ves$/i': '\1f'
+    '/(tive)s$/i': '\1'
+    '/(hive)s$/i': '\1'
+    '/([^f])ves$/i': '\1fe'
+    '/(^analy)ses$/i': '\1se'
+    '/((a)naly|(b)a|(d)iagno|(p)arenthe|(p)rogno|(s)ynop|(t)he)ses$/i': '\1\2se'
+    '/([ti])a$/i': '\1um'
+    '/(n)ews$/i': '\1ews'
+  INFLECTOR_UNCOUNTABLE:
+    - 'equipo'
+    - 'información'
+    - 'arroz'
+    - 'diñeiro'
+    - 'especies'
+    - 'series'
+    - 'peixe'
+    - 'ovella'
+  INFLECTOR_IRREGULAR:
+    'person': 'xente'
+    'man': 'home'
+    'child': 'neno'
+    'sex': 'sexos'
+    'move': 'move'
+  INFLECTOR_ORDINALS:
+    'default': 'º'
+    'first': 'º'
+    'second': 'º'
+    'third': 'º'
+  NICETIME:
+    NO_DATE_PROVIDED: Non fornece unha data
+    BAD_DATE: Data errada
+    AGO: hai
+    FROM_NOW: dende agora
+    JUST_NOW: xusto agora
+    SECOND: segundo
+    MINUTE: minuto
+    HOUR: hora
+    DAY: día
+    WEEK: semana
+    MONTH: mes
+    YEAR: ano
+    DECADE: década
+    SEC: seg
+    MIN: min
+    HR: hr 
+    WK: Sem
+    MO: m
+    YR: a
+    DEC: dec
+    SECOND_PLURAL: segundos
+    MINUTE_PLURAL: minutos
+    HOUR_PLURAL: horas
+    DAY_PLURAL: días
+    WEEK_PLURAL: semanas
+    MONTH_PLURAL: meses
+    YEAR_PLURAL: anos
+    DECADE_PLURAL: décadas
+    SEC_PLURAL: segs
+    MIN_PLURAL: mins
+    HR_PLURAL: hrs
+    WK_PLURAL: sem
+    MO_PLURAL: mes
+    YR_PLURAL: a
+    DEC_PLURAL: deca
+  FORM:
+    VALIDATION_FAIL: '<b>Fallou a validación:</b>'
+    INVALID_INPUT: 'Entrada incorrecta en'
+    MISSING_REQUIRED_FIELD: 'Falta un campo requirido:'
+  MONTHS_OF_THE_YEAR:
+    - 'xaneiro'
+    - 'febreiro'
+    - 'marzo'
+    - 'abril'
+    - 'maio'
+    - 'xuño'
+    - 'xullo'
+    - 'agosto'
+    - 'setembro'
+    - 'outubro'
+    - 'novembro'
+    - 'decembro'
+  DAYS_OF_THE_WEEK:
+    - 'luns'
+    - 'martes'
+    - 'mércores'
+    - 'xoves'
+    - 'venres'
+    - 'sábado'
+    - 'domingo'
+  CRON:
+    EVERY: cada
+    EVERY_HOUR: Cada hora
+    EVERY_MINUTE: Cada minuto
+    EVERY_DAY_OF_WEEK: cada día da semana
+    EVERY_DAY_OF_MONTH: cada día do mes
+    EVERY_MONTH: cada mes
+    TEXT_PERIOD: Cada <b />
+    TEXT_MINS: ' dentro de <b /> minuto(s) despois da hora'
+    TEXT_TIME: ' dentro <b />:<b />'
+    TEXT_DOW: ' o <b />'
+    TEXT_MONTH: ' de <b />'
+    TEXT_DOM: ' o <b />'
+    ERROR1: A etiqueta %s non é compatíbel!
+    ERROR2: Mal número de elementos
+    ERROR3: O jquery_element debería estar determinado na configuración de jqCron
+    ERROR4: Expresión non recoñecida
diff --git a/system/languages/he.yaml b/system/languages/he.yaml
index afb63d7f8..d7f43186e 100644
--- a/system/languages/he.yaml
+++ b/system/languages/he.yaml
@@ -37,8 +37,8 @@ GRAV:
     YR_PLURAL: שני'
     DEC_PLURAL: עש'
   FORM:
-    VALIDATION_FAIL: <b>האימות נכשל:</b>
-    INVALID_INPUT: קלט לא חוקי
+    VALIDATION_FAIL: '<b>האימות נכשל:</b>'
+    INVALID_INPUT: 'קלט לא חוקי'
     MISSING_REQUIRED_FIELD: 'שדות חובה חסרים:'
   MONTHS_OF_THE_YEAR:
     - 'ינואר'
diff --git a/system/languages/hr.yaml b/system/languages/hr.yaml
index 1b530b5c2..4827d3eec 100644
--- a/system/languages/hr.yaml
+++ b/system/languages/hr.yaml
@@ -50,8 +50,8 @@ GRAV:
     YR_PLURAL: g
     DEC_PLURAL: des
   FORM:
-    VALIDATION_FAIL: <b>Validacija nije uspjela:</b>
-    INVALID_INPUT: Pogrešan unos u
+    VALIDATION_FAIL: '<b>Validacija nije uspjela:</b>'
+    INVALID_INPUT: 'Pogrešan unos u'
     MISSING_REQUIRED_FIELD: 'Nedostaje obavezno polje:'
   MONTHS_OF_THE_YEAR:
     - 'Siječanj'
diff --git a/system/languages/hu.yaml b/system/languages/hu.yaml
index a834c45c3..2624cf938 100644
--- a/system/languages/hu.yaml
+++ b/system/languages/hu.yaml
@@ -58,7 +58,7 @@ GRAV:
     YR_PLURAL: év
     DEC_PLURAL: évt
   FORM:
-    VALIDATION_FAIL: <b>Érvényesítés nem sikerült:</b>
+    VALIDATION_FAIL: '<b>Érvényesítés nem sikerült:</b>'
     INVALID_INPUT: 'A megadott érték érvénytelen:'
     MISSING_REQUIRED_FIELD: 'Ez a kötelező mező nincs kitöltve:'
   MONTHS_OF_THE_YEAR:
diff --git a/system/languages/id.yaml b/system/languages/id.yaml
index 41431f13e..690959d85 100644
--- a/system/languages/id.yaml
+++ b/system/languages/id.yaml
@@ -1,6 +1,8 @@
 ---
 GRAV:
   FRONTMATTER_ERROR_PAGE: "---\ntitle: %1$s\n---\n\n# Error: Frontmatter tidak valid\n\nLokasi: `%2$s`\n\n**%3$s**\n\n```\n%4$s\n```"
+  INFLECTOR_PLURALS:
+    '/(quiz)$/i': '\1zes'
   INFLECTOR_UNCOUNTABLE:
     - 'peralatan'
     - 'informasi'
@@ -53,8 +55,8 @@ GRAV:
     YR_PLURAL: thn
     DEC_PLURAL: dekade
   FORM:
-    VALIDATION_FAIL: <b>Validasi gagal:</b>
-    INVALID_INPUT: Input tidak valid di
+    VALIDATION_FAIL: '<b>Validasi gagal:</b>'
+    INVALID_INPUT: 'Input tidak valid di'
     MISSING_REQUIRED_FIELD: 'Data yang diperlukan belum terisi:'
   MONTHS_OF_THE_YEAR:
     - 'Januari'
diff --git a/system/languages/is.yaml b/system/languages/is.yaml
index 6f9761ca1..00d42eefa 100644
--- a/system/languages/is.yaml
+++ b/system/languages/is.yaml
@@ -46,8 +46,8 @@ GRAV:
     YR_PLURAL: árum
     DEC_PLURAL: árat
   FORM:
-    VALIDATION_FAIL: <b>Sannvottun mistókst:</b>
-    INVALID_INPUT: Ógilt inntak í
+    VALIDATION_FAIL: '<b>Sannvottun mistókst:</b>'
+    INVALID_INPUT: 'Ógilt inntak í'
     MISSING_REQUIRED_FIELD: 'Vantar nauðsynlegan reit:'
   MONTHS_OF_THE_YEAR:
     - 'janúar'
diff --git a/system/languages/it.yaml b/system/languages/it.yaml
index 741f72189..f366eb665 100644
--- a/system/languages/it.yaml
+++ b/system/languages/it.yaml
@@ -1,6 +1,49 @@
 ---
 GRAV:
   FRONTMATTER_ERROR_PAGE: "---Titolo: %1$s---# Errore: Frontmatter non valido: '%2$s' * *%3$s * * ' '%4$s ' '"
+  INFLECTOR_PLURALS:
+    '/(quiz)$/i': '\1'
+    '/^(ox)$/i': '\1en'
+    '/([m|l])ouse$/i': '\1ice'
+    '/(matr|vert|ind)ix|ex$/i': '\1ices'
+    '/(x|ch|ss|sh)$/i': '\1es'
+    '/([^aeiouy]|qu)ies$/i': '\1y'
+    '/([^aeiouy]|qu)y$/i': '\1ies'
+    '/(hive)$/i': '\1s'
+    '/(?:([^f])fe|([lr])f)$/i': '\1\2ves'
+    '/sis$/i': 'ses'
+    '/([ti])um$/i': '\1a'
+    '/(buffal|tomat)o$/i': '\1oes'
+    '/(bu)s$/i': '\1ses'
+    '/(alias|status)/i': '\1es'
+    '/(octop|vir)us$/i': '\1i'
+    '/(ax|test)is$/i': '\1es'
+    '/s$/i': 's'
+    '/$/': 's'
+  INFLECTOR_SINGULAR:
+    '/(quiz)zes$/i': '\1'
+    '/(matr)ices$/i': '\1ix'
+    '/(vert|ind)ices$/i': '\1ex'
+    '/^(ox)en/i': '\1'
+    '/(alias|status)es$/i': '\1'
+    '/([octop|vir])i$/i': '\1us'
+    '/(cris|ax|test)es$/i': '\1is'
+    '/(shoe)s$/i': '\1'
+    '/(o)es$/i': '\1'
+    '/(bus)es$/i': '\1'
+    '/([m|l])ice$/i': '\1ouse'
+    '/(x|ch|ss|sh)es$/i': '\1'
+    '/(m)ovies$/i': '\1ovie'
+    '/(s)eries$/i': '\1eries'
+    '/([^aeiouy]|qu)ies$/i': '\1y'
+    '/([lr])ves$/i': '\1f'
+    '/(tive)s$/i': '\1'
+    '/(hive)s$/i': '\1'
+    '/([^f])ves$/i': '\1fe'
+    '/(^analy)ses$/i': '\1sis'
+    '/((a)naly|(b)a|(d)iagno|(p)arenthe|(p)rogno|(s)ynop|(t)he)ses$/i': '\1\2sis'
+    '/([ti])a$/i': '\1um'
+    '/(n)ews$/i': '\1ews'
   INFLECTOR_UNCOUNTABLE:
     - 'dotazione'
     - 'informazione'
@@ -58,9 +101,10 @@ GRAV:
     YR_PLURAL: anni
     DEC_PLURAL: decenni
   FORM:
-    VALIDATION_FAIL: <b>Validazione fallita:</b>
-    INVALID_INPUT: Input non valido in
+    VALIDATION_FAIL: '<b>Validazione fallita:</b>'
+    INVALID_INPUT: 'Input non valido in'
     MISSING_REQUIRED_FIELD: 'Campo richiesto mancante:'
+    XSS_ISSUES: "Rilevati potenziali problemi di XSS nel campo '%s'"
   MONTHS_OF_THE_YEAR:
     - 'Gennaio'
     - 'Febbraio'
@@ -82,6 +126,8 @@ GRAV:
     - 'Venerdì'
     - 'Sabato'
     - 'Domenica'
+  YES: "Sì"
+  NO: "No"
   CRON:
     EVERY: ogni
     EVERY_HOUR: ogni ora
diff --git a/system/languages/ja.yaml b/system/languages/ja.yaml
index 0e3fa16af..701d8e7ac 100644
--- a/system/languages/ja.yaml
+++ b/system/languages/ja.yaml
@@ -1,11 +1,22 @@
 ---
 GRAV:
+  INFLECTOR_UNCOUNTABLE:
+    - 'equipment'
+    - '情報'
+    - 'rice'
+    - 'お金'
+    - 'species'
+    - 'series'
+    - '魚'
+    - 'ヒツジ'
   INFLECTOR_IRREGULAR:
     'person': 'みんな'
     'man': '人'
     'child': '子供'
     'sex': '性別'
     'move': '移動'
+  INFLECTOR_ORDINALS:
+    'first': '番目'
   NICETIME:
     NO_DATE_PROVIDED: 日付が設定されていません
     BAD_DATE: 不正な日付
@@ -40,8 +51,8 @@ GRAV:
     YR_PLURAL: 年
     DEC_PLURAL: 10年
   FORM:
-    VALIDATION_FAIL: <b>バリデーション失敗 :</b>
-    INVALID_INPUT: 不正な入力：
+    VALIDATION_FAIL: '<b>バリデーション失敗 :</b>'
+    INVALID_INPUT: '不正な入力：'
     MISSING_REQUIRED_FIELD: '必須項目が入力されていません:'
   MONTHS_OF_THE_YEAR:
     - '1月'
@@ -64,3 +75,7 @@ GRAV:
     - '金'
     - '土'
     - '日'
+  CRON:
+    EVERY: 毎
+    EVERY_MONTH: 毎月
+    ERROR1: 共有タイプ %s はサポートされていません
diff --git a/system/languages/ko.yaml b/system/languages/ko.yaml
index 6676a6d25..15aee8ea2 100644
--- a/system/languages/ko.yaml
+++ b/system/languages/ko.yaml
@@ -37,8 +37,8 @@ GRAV:
     YR_PLURAL: 년
     DEC_PLURAL: 년간
   FORM:
-    VALIDATION_FAIL: <b>유효성 검사 실패:</b>
-    INVALID_INPUT: 잘못된 입력
+    VALIDATION_FAIL: '<b>유효성 검사 실패:</b>'
+    INVALID_INPUT: '잘못된 입력'
     MISSING_REQUIRED_FIELD: '누락 된 필수 필드:'
   MONTHS_OF_THE_YEAR:
     - '일월'
diff --git a/system/languages/lt.yaml b/system/languages/lt.yaml
index aca0fc37f..d894b969e 100644
--- a/system/languages/lt.yaml
+++ b/system/languages/lt.yaml
@@ -52,8 +52,8 @@ GRAV:
     YR_PLURAL: m.
     DEC_PLURAL: dešimtmečiai
   FORM:
-    VALIDATION_FAIL: <b>Patvirtinimas nepavyko:</b>
-    INVALID_INPUT: Neteisingai įvesta į
+    VALIDATION_FAIL: '<b>Patvirtinimas nepavyko:</b>'
+    INVALID_INPUT: 'Neteisingai įvesta į'
     MISSING_REQUIRED_FIELD: 'Būtina užpildyti laukelį:'
   MONTHS_OF_THE_YEAR:
     - 'Sausis'
diff --git a/system/languages/nl.yaml b/system/languages/nl.yaml
index 9706d03e5..bd0aed915 100644
--- a/system/languages/nl.yaml
+++ b/system/languages/nl.yaml
@@ -101,8 +101,8 @@ GRAV:
     YR_PLURAL: jaren
     DEC_PLURAL: decennia
   FORM:
-    VALIDATION_FAIL: <b>Validatie mislukt:</b>
-    INVALID_INPUT: Ongeldige invoer in
+    VALIDATION_FAIL: '<b>Validatie mislukt:</b>'
+    INVALID_INPUT: 'Ongeldige invoer in'
     MISSING_REQUIRED_FIELD: 'Ontbrekend verplicht veld:'
   MONTHS_OF_THE_YEAR:
     - 'Januari'
diff --git a/system/languages/no.yaml b/system/languages/no.yaml
index 5b57938e3..2a93e6efa 100644
--- a/system/languages/no.yaml
+++ b/system/languages/no.yaml
@@ -21,6 +21,7 @@ GRAV:
     BAD_DATE: Ugyldig dato
     AGO: siden
     FROM_NOW: fra nå
+    JUST_NOW: akkurat nå
     SECOND: sekund
     MINUTE: minutt
     HOUR: time
@@ -51,8 +52,8 @@ GRAV:
     YR_PLURAL: år
     DEC_PLURAL: årtier
   FORM:
-    VALIDATION_FAIL: <b>Godkjenning mislyktes:</b>
-    INVALID_INPUT: Ugyldig innhold i
+    VALIDATION_FAIL: '<b>Godkjenning mislyktes:</b>'
+    INVALID_INPUT: 'Ugyldig innhold i'
     MISSING_REQUIRED_FIELD: 'Mangler påkrevd felt:'
   MONTHS_OF_THE_YEAR:
     - 'januar'
@@ -75,3 +76,7 @@ GRAV:
     - 'fredag'
     - 'lørdag'
     - 'søndag'
+  CRON:
+    EVERY: hver
+    EVERY_HOUR: hver time
+    EVERY_MINUTE: hvert minutt
diff --git a/system/languages/pl.yaml b/system/languages/pl.yaml
index bf6fe3712..6da24e5a6 100644
--- a/system/languages/pl.yaml
+++ b/system/languages/pl.yaml
@@ -1,11 +1,32 @@
 ---
 GRAV:
   FRONTMATTER_ERROR_PAGE: "---\ntitle: %1$s\n---\n\n# Error: Nieprawidłowy Frontmatter\n\nPath: `%2$s`\n\n**%3$s**\n\n```\n%4$s\n```"
+  INFLECTOR_SINGULAR:
+    '/(alias|status)es$/i': '\1'
+  INFLECTOR_UNCOUNTABLE:
+    - 'wyposażenie'
+    - 'informacja'
+    - 'rice'
+    - 'pieniądze'
+    - 'species'
+    - 'series'
+    - 'ryba'
+    - 'owca'
+  INFLECTOR_IRREGULAR:
+    'person': 'człowiek'
+    'man': 'mężczyźni'
+    'child': 'dzieci'
+    'sex': 'płci'
+  INFLECTOR_ORDINALS:
+    'first': 'pierwszy'
+    'second': 'drugi'
+    'third': 'trzeci'
   NICETIME:
     NO_DATE_PROVIDED: Nie podano daty
     BAD_DATE: Zła data
     AGO: temu
     FROM_NOW: od teraz
+    JUST_NOW: właśnie teraz
     SECOND: sekunda
     MINUTE: minuta
     HOUR: godzina
@@ -15,6 +36,7 @@ GRAV:
     YEAR: rok
     DECADE: dekada
     SEC: sek
+    MIN: minuta
     HR: godz
     WK: tydz
     MO: m-c
@@ -36,9 +58,10 @@ GRAV:
     YR_PLURAL: lat
     DEC_PLURAL: dekad
   FORM:
-    VALIDATION_FAIL: <b>Weryfikacja nie powiodła się:</b>
-    INVALID_INPUT: Nieprawidłowe dane wejściowe
+    VALIDATION_FAIL: '<b>Weryfikacja nie powiodła się:</b>'
+    INVALID_INPUT: 'Nieprawidłowe dane wejściowe'
     MISSING_REQUIRED_FIELD: 'Opuszczono wymagane pole:'
+    XSS_ISSUES: "Potencjalne problemy XSS wykryte w polu '%s'"
   MONTHS_OF_THE_YEAR:
     - 'Styczeń'
     - 'Luty'
@@ -60,3 +83,18 @@ GRAV:
     - 'Piątek'
     - 'Sobota'
     - 'Niedziela'
+  YES: "Tak"
+  NO: "Nie"
+  CRON:
+    EVERY: każdy
+    EVERY_HOUR: każdą godzinę
+    EVERY_MINUTE: każdą minutę
+    EVERY_DAY_OF_WEEK: każdego dnia tygodnia
+    EVERY_DAY_OF_MONTH: każdego dnia miesiące
+    EVERY_MONTH: każdego miesiąca
+    TEXT_PERIOD: Każdego <b />
+    TEXT_MINS: 'o <b /> minut po godzinie'
+    TEXT_TIME: 'o <b />:<b />'
+    ERROR1: Znacznik %s nie jest wspierany!
+    ERROR2: Nieprawidłowa liczba elementów
+    ERROR4: Wyrażenie nierozpoznane
diff --git a/system/languages/pt.yaml b/system/languages/pt.yaml
index 590b5e581..2da6944d1 100644
--- a/system/languages/pt.yaml
+++ b/system/languages/pt.yaml
@@ -1,8 +1,75 @@
 ---
 GRAV:
+  FRONTMATTER_ERROR_PAGE: "---\ntitle: %1$s\n---\n\n# Erro: Frontmatter Inválido\n\nLocalização: `%2$s`\n\n**%3$s**\n\n```\n%4$s\n```"
+  INFLECTOR_PLURALS:
+    '/(quiz)$/i': '\1zes'
+    '/^(ox)$/i': '\1en'
+    '/([m|l])ouse$/i': '\1ice'
+    '/(matr|vert|ind)ix|ex$/i': '\1ices'
+    '/(x|ch|ss|sh)$/i': '\1es'
+    '/([^aeiouy]|qu)ies$/i': '\1y'
+    '/([^aeiouy]|qu)y$/i': '\1ies'
+    '/(hive)$/i': '\1s'
+    '/(?:([^f])fe|([lr])f)$/i': '\1\2ves'
+    '/sis$/i': 'ses'
+    '/([ti])um$/i': '\1a'
+    '/(buffal|tomat)o$/i': '\1oes'
+    '/(bu)s$/i': '\1ses'
+    '/(alias|status)/i': '\1es'
+    '/(octop|vir)us$/i': '\1i'
+    '/(ax|test)is$/i': '\1es'
+    '/s$/i': 's'
+    '/$/': 's'
+  INFLECTOR_SINGULAR:
+    '/(quiz)zes$/i': '\1'
+    '/(matr)ices$/i': '\1ix'
+    '/(vert|ind)ices$/i': '\1ex'
+    '/^(ox)en/i': '\1'
+    '/(alias|status)es$/i': '\1'
+    '/([octop|vir])i$/i': '\1us'
+    '/(cris|ax|test)es$/i': '\1is'
+    '/(shoe)s$/i': '\1'
+    '/(o)es$/i': '\1'
+    '/(bus)es$/i': '\1'
+    '/([m|l])ice$/i': '\1ouse'
+    '/(x|ch|ss|sh)es$/i': '\1'
+    '/(m)ovies$/i': '\1ovie'
+    '/(s)eries$/i': '\1eries'
+    '/([^aeiouy]|qu)ies$/i': '\1y'
+    '/([lr])ves$/i': '\1f'
+    '/(tive)s$/i': '\1'
+    '/(hive)s$/i': '\1'
+    '/([^f])ves$/i': '\1fe'
+    '/(^analy)ses$/i': '\1sis'
+    '/((a)naly|(b)a|(d)iagno|(p)arenthe|(p)rogno|(s)ynop|(t)he)ses$/i': '\1\2sis'
+    '/([ti])a$/i': '\1um'
+    '/(n)ews$/i': '\1ews'
+  INFLECTOR_UNCOUNTABLE:
+    - 'equipamento'
+    - 'informação'
+    - 'arroz'
+    - 'dinheiro'
+    - 'espécie'
+    - 'série'
+    - 'peixe'
+    - 'ovelha'
+  INFLECTOR_IRREGULAR:
+    'person': 'pessoas'
+    'man': 'homens'
+    'child': 'crianças'
+    'sex': 'sexos'
+    'move': 'movimentos'
+  INFLECTOR_ORDINALS:
+    'default': 'º'
+    'first': 'º'
+    'second': 'º'
+    'third': 'º'
   NICETIME:
     NO_DATE_PROVIDED: Nenhuma data fornecida
+    BAD_DATE: Data inválida
     AGO: atrás
+    FROM_NOW: a partir de agora
+    JUST_NOW: mesmo agora
     SECOND: segundo
     MINUTE: minuto
     HOUR: hora
@@ -11,17 +78,32 @@ GRAV:
     MONTH: mês
     YEAR: ano
     DECADE: década
-    SEC: segundos
-    MIN: minutos
+    SEC: seg
+    MIN: min
+    HR: hora
+    WK: semana
+    MO: mês
+    YR: ano
+    DEC: década
+    SECOND_PLURAL: segundos
     MINUTE_PLURAL: minutos
+    HOUR_PLURAL: horas
     DAY_PLURAL: dias
     WEEK_PLURAL: semanas
     MONTH_PLURAL: meses
     YEAR_PLURAL: anos
-    DECADE_PLURAL: decadas
+    DECADE_PLURAL: décadas
+    SEC_PLURAL: segs
+    MIN_PLURAL: mins
+    HR_PLURAL: hrs
+    WK_PLURAL: sems
+    MO_PLURAL: meses
+    YR_PLURAL: anos
+    DEC_PLURAL: décadas
   FORM:
-    VALIDATION_FAIL: <b>Falha na validação!</b>
-    MISSING_REQUIRED_FIELD: 'Campo obrigatório requerido:'
+    VALIDATION_FAIL: '<b>Falha na validação:</b>'
+    INVALID_INPUT: 'Dados inseridos são inválidos em'
+    MISSING_REQUIRED_FIELD: 'Campo obrigatório em falta:'
   MONTHS_OF_THE_YEAR:
     - 'Janeiro'
     - 'Fevereiro'
@@ -35,12 +117,28 @@ GRAV:
     - 'Outubro'
     - 'Novembro'
     - 'Dezembro'
-  INFLECTOR_UNCOUNTABLE:
-    - 'equipment'
-    - 'information'
-    - 'arroz'
-    - 'money'
-    - 'species'
-    - 'series'
-    - 'fish'
-    - 'sheep'
+  DAYS_OF_THE_WEEK:
+    - 'Segunda-feira'
+    - 'Terça-feira'
+    - 'Quarta-feira'
+    - 'Quinta-feira'
+    - 'Sexta-feira'
+    - 'Sábado'
+    - 'Domingo'
+  CRON:
+    EVERY: cada
+    EVERY_HOUR: cada hora
+    EVERY_MINUTE: cada minuto
+    EVERY_DAY_OF_WEEK: todos os dias da semana
+    EVERY_DAY_OF_MONTH: todos os dias do mês
+    EVERY_MONTH: todos os meses
+    TEXT_PERIOD: Cada <b />
+    TEXT_MINS: ' em <b /> minuto(s) após a hora'
+    TEXT_TIME: ' em <b />:<b />'
+    TEXT_DOW: ' em <b />'
+    TEXT_MONTH: ' de <b />'
+    TEXT_DOM: ' em <b />'
+    ERROR1: A tag %s não é suportada!
+    ERROR2: Número de elementos inválido
+    ERROR3: O jquery_element deve ser definido nas configurações do jqCron
+    ERROR4: Expressão não reconhecida
diff --git a/system/languages/ro.yaml b/system/languages/ro.yaml
index 5bee578c9..dc22b206f 100644
--- a/system/languages/ro.yaml
+++ b/system/languages/ro.yaml
@@ -53,8 +53,8 @@ GRAV:
     YR_PLURAL: ani
     DEC_PLURAL: decenii
   FORM:
-    VALIDATION_FAIL: <b>Validare nereușită</b>
-    INVALID_INPUT: Date incorecte în
+    VALIDATION_FAIL: '<b>Validare nereușită</b>'
+    INVALID_INPUT: 'Date incorecte în'
     MISSING_REQUIRED_FIELD: 'Câmp obligatoriu lipsă:'
   MONTHS_OF_THE_YEAR:
     - 'Ianuarie'
diff --git a/system/languages/ru.yaml b/system/languages/ru.yaml
index 78c596340..2097ada48 100644
--- a/system/languages/ru.yaml
+++ b/system/languages/ru.yaml
@@ -13,7 +13,7 @@ GRAV:
   INFLECTOR_IRREGULAR:
     'person': 'люди'
     'man': 'человек'
-    'child': 'ребенок'
+    'child': 'дети'
     'sex': 'пол'
     'move': 'движется'
   INFLECTOR_ORDINALS:
@@ -58,9 +58,10 @@ GRAV:
     YR_PLURAL: г
     DEC_PLURAL: дстлт
   FORM:
-    VALIDATION_FAIL: <b>Проверка не удалась:</b>
-    INVALID_INPUT: Неверный ввод в
+    VALIDATION_FAIL: '<b>Проверка не удалась:</b>'
+    INVALID_INPUT: 'Неверный ввод в'
     MISSING_REQUIRED_FIELD: 'Отсутствует необходимое поле:'
+    XSS_ISSUES: "Обнаружены потенциальные XSS проблемы в поле '%s'"
   MONTHS_OF_THE_YEAR:
     - 'январь'
     - 'февраль'
@@ -68,12 +69,12 @@ GRAV:
     - 'апрель'
     - 'май'
     - 'июнь'
-    - 'Июль'
-    - 'Август'
-    - 'Сентябрь'
-    - 'Октябрь'
-    - 'Ноябрь'
-    - 'Декабрь'
+    - 'июль'
+    - 'август'
+    - 'сентябрь'
+    - 'октябрь'
+    - 'ноябрь'
+    - 'декабрь'
   DAYS_OF_THE_WEEK:
     - 'понедельник'
     - 'вторник'
@@ -82,6 +83,8 @@ GRAV:
     - 'пятница'
     - 'суббота'
     - 'воскресенье'
+  YES: "Да"
+  NO: "Нет"
   CRON:
     EVERY: раз в
     EVERY_HOUR: раз в час
diff --git a/system/languages/sk.yaml b/system/languages/sk.yaml
index 89a7f563e..9543239a6 100644
--- a/system/languages/sk.yaml
+++ b/system/languages/sk.yaml
@@ -101,8 +101,8 @@ GRAV:
     YR_PLURAL: rokov
     DEC_PLURAL: dekád
   FORM:
-    VALIDATION_FAIL: <b>Overenie zlyhalo:</b>
-    INVALID_INPUT: Neplatný vstup v
+    VALIDATION_FAIL: '<b>Overenie zlyhalo:</b>'
+    INVALID_INPUT: 'Neplatný vstup v'
     MISSING_REQUIRED_FIELD: 'Chýba vyžadované pole:'
   MONTHS_OF_THE_YEAR:
     - 'Január'
diff --git a/system/languages/sl.yaml b/system/languages/sl.yaml
index ae6032cf7..879fe1bae 100644
--- a/system/languages/sl.yaml
+++ b/system/languages/sl.yaml
@@ -36,8 +36,8 @@ GRAV:
     YR_PLURAL: l
     DEC_PLURAL: des
   FORM:
-    VALIDATION_FAIL: <b>Preverjanje veljavnosti ni uspelo:</b>
-    INVALID_INPUT: Neveljaven vnos v
+    VALIDATION_FAIL: '<b>Preverjanje veljavnosti ni uspelo:</b>'
+    INVALID_INPUT: 'Neveljaven vnos v'
     MISSING_REQUIRED_FIELD: 'Manjka obvezno polje:'
   MONTHS_OF_THE_YEAR:
     - 'Januar'
diff --git a/system/languages/sr.yaml b/system/languages/sr.yaml
new file mode 100644
index 000000000..3368bdfb6
--- /dev/null
+++ b/system/languages/sr.yaml
@@ -0,0 +1,144 @@
+---
+GRAV:
+  FRONTMATTER_ERROR_PAGE: "---\nнаслов: %1$s\n---\n\n# Грешка: неисправан Frontmatter\n\nПутања: `%2$s`\n\n**%3$s**\n\n```\n%4$s\n```"
+  INFLECTOR_PLURALS:
+    '/(quiz)$/i': '\1zes'
+    '/^(ox)$/i': '\1en'
+    '/([m|l])ouse$/i': '\1ice'
+    '/(matr|vert|ind)ix|ex$/i': '\1ices'
+    '/(x|ch|ss|sh)$/i': '\1es'
+    '/([^aeiouy]|qu)ies$/i': '\1y'
+    '/([^aeiouy]|qu)y$/i': '\1ies'
+    '/(hive)$/i': '\1s'
+    '/(?:([^f])fe|([lr])f)$/i': '\1\2ves'
+    '/sis$/i': 'ses'
+    '/([ti])um$/i': '\1a'
+    '/(buffal|tomat)o$/i': '\1oes'
+    '/(bu)s$/i': '\1ses'
+    '/(alias|status)/i': '\1es'
+    '/(octop|vir)us$/i': '\1i'
+    '/(ax|test)is$/i': '\1es'
+    '/s$/i': 's'
+    '/$/': 's'
+  INFLECTOR_SINGULAR:
+    '/(quiz)zes$/i': '\1'
+    '/(matr)ices$/i': '\1ix'
+    '/(vert|ind)ices$/i': '\1ex'
+    '/^(ox)en/i': '\1'
+    '/(alias|status)es$/i': '\1'
+    '/([octop|vir])i$/i': '\1us'
+    '/(cris|ax|test)es$/i': '\1is'
+    '/(shoe)s$/i': '\1'
+    '/(o)es$/i': '\1'
+    '/(bus)es$/i': '\1'
+    '/([m|l])ice$/i': '\1ouse'
+    '/(x|ch|ss|sh)es$/i': '\1'
+    '/(m)ovies$/i': '\1ovie'
+    '/(s)eries$/i': '\1eries'
+    '/([^aeiouy]|qu)ies$/i': '\1y'
+    '/([lr])ves$/i': '\1f'
+    '/(tive)s$/i': '\1'
+    '/(hive)s$/i': '\1'
+    '/([^f])ves$/i': '\1fe'
+    '/(^analy)ses$/i': '\1sis'
+    '/((a)naly|(b)a|(d)iagno|(p)arenthe|(p)rogno|(s)ynop|(t)he)ses$/i': '\1\2sis'
+    '/([ti])a$/i': '\1um'
+    '/(n)ews$/i': '\1ews'
+  INFLECTOR_UNCOUNTABLE:
+    - 'опрема'
+    - 'информација'
+    - 'пиринач'
+    - 'новац'
+    - 'врсте'
+    - 'серије'
+    - 'риба'
+    - 'овца'
+  INFLECTOR_IRREGULAR:
+    'person': 'особе'
+    'man': 'људи'
+    'child': 'деца'
+    'sex': 'полови'
+    'move': 'помери'
+  INFLECTOR_ORDINALS:
+    'default': 'ти'
+    'first': 'први'
+    'second': 'други'
+    'third': 'трећи'
+  NICETIME:
+    NO_DATE_PROVIDED: Нема датума
+    BAD_DATE: Погрешан датум
+    AGO: од пре
+    FROM_NOW: од сада
+    JUST_NOW: управо сада
+    SECOND: секунда
+    MINUTE: минута
+    HOUR: сат
+    DAY: дан
+    WEEK: недеља
+    MONTH: месец
+    YEAR: година
+    DECADE: декада
+    SEC: сек
+    MIN: мин
+    HR: сат
+    WK: нед
+    MO: мес
+    YR: год
+    DEC: дек
+    SECOND_PLURAL: секунди
+    MINUTE_PLURAL: минута
+    HOUR_PLURAL: сати
+    DAY_PLURAL: дана
+    WEEK_PLURAL: недеља
+    MONTH_PLURAL: месеци
+    YEAR_PLURAL: године(а)
+    DECADE_PLURAL: декаде(а)
+    SEC_PLURAL: сек
+    MIN_PLURAL: мин
+    HR_PLURAL: сати
+    WK_PLURAL: недеља
+    MO_PLURAL: месеци
+    YR_PLURAL: година
+    DEC_PLURAL: декада
+  FORM:
+    VALIDATION_FAIL: '<b>Провера неуспела:</b>'
+    INVALID_INPUT: 'Неисправан унос у'
+    MISSING_REQUIRED_FIELD: 'Недостаје обавезн поље:'
+  MONTHS_OF_THE_YEAR:
+    - 'Јануар'
+    - 'Фебруар'
+    - 'Март'
+    - 'Април'
+    - 'Мај'
+    - 'Јуни'
+    - 'Јули'
+    - 'Август'
+    - 'Септембар'
+    - 'Октобар'
+    - 'Новембар'
+    - 'Децембар'
+  DAYS_OF_THE_WEEK:
+    - 'Понедељак'
+    - 'Уторак'
+    - 'Среда'
+    - 'Четвртак'
+    - 'Петак'
+    - 'Субота'
+    - 'Недеља'
+  CRON:
+    EVERY: сваки
+    EVERY_HOUR: сваки сат
+    EVERY_MINUTE: сваки минут
+    EVERY_DAY_OF_WEEK: сваки дан у недељи
+    EVERY_DAY_OF_MONTH: сваки дан у месецу
+    EVERY_MONTH: сваки месец
+    TEXT_PERIOD: Сваки <b />
+    TEXT_MINS: ' у <b /> минути(а) прошлог сата'
+    TEXT_TIME: ' у <b />:<b />'
+    TEXT_DOW: ' на <b />'
+    TEXT_MONTH: ' од <b />'
+    TEXT_DOM: ' на <b />'
+    ERROR1: Таг %s није подржан!
+    ERROR2: Погрешан број елемената
+    ERROR3: јquery_element би требао да буде постављен у jqCron подешавању
+    ERROR4: Непрепознат израз
diff --git a/system/languages/sv.yaml b/system/languages/sv.yaml
index 16afa1650..bf76beff5 100644
--- a/system/languages/sv.yaml
+++ b/system/languages/sv.yaml
@@ -12,11 +12,21 @@ GRAV:
     - 'får'
   INFLECTOR_IRREGULAR:
     'person': 'personer'
+    'man': 'män'
+    'child': 'barn'
+    'sex': 'kön'
+    'move': 'flytta'
+  INFLECTOR_ORDINALS:
+    'default': ':e'
+    'first': ':a'
+    'second': ':a'
+    'third': ':e'
   NICETIME:
     NO_DATE_PROVIDED: Inget datum har angivits
     BAD_DATE: Ogiltigt datum
     AGO: sedan
     FROM_NOW: fr.o.m nu
+    JUST_NOW: just nu
     SECOND: sekund
     MINUTE: minut
     HOUR: timme
@@ -26,10 +36,12 @@ GRAV:
     YEAR: år
     DECADE: årtionde
     SEC: sek
+    MIN: min
     HR: t
     WK: v
     MO: m
     YR: år
+    DEC: dec
     SECOND_PLURAL: sekunder
     MINUTE_PLURAL: minuter
     HOUR_PLURAL: timmar
@@ -46,8 +58,8 @@ GRAV:
     YR_PLURAL: år
     DEC_PLURAL: dec
   FORM:
-    VALIDATION_FAIL: <b>Kontrollen misslyckades:</b>
-    INVALID_INPUT: Ogiltig indata i
+    VALIDATION_FAIL: '<b>Kontrollen misslyckades:</b>'
+    INVALID_INPUT: 'Ogiltig indata i'
     MISSING_REQUIRED_FIELD: 'Obligatoriskt fält måste fyllas i:'
   MONTHS_OF_THE_YEAR:
     - 'Januari'
@@ -70,3 +82,19 @@ GRAV:
     - 'Fredag'
     - 'Lördag'
     - 'Söndag'
+  CRON:
+    EVERY: varje
+    EVERY_HOUR: varje timme
+    EVERY_MINUTE: varje minut
+    EVERY_DAY_OF_WEEK: varje veckodag
+    EVERY_DAY_OF_MONTH: alla månadens dagar
+    EVERY_MONTH: varje månad
+    TEXT_PERIOD: Varje <b />
+    TEXT_MINS: ' timmens <b />:e minut'
+    TEXT_TIME: ' kl <b />:<b />'
+    TEXT_DOW: ' <b />'
+    TEXT_MONTH: ' <b />'
+    TEXT_DOM: ' <b />'
+    ERROR1: Taggen %s stöds inte!
+    ERROR2: Ogiltigt antal element
+    ERROR4: Uttrycket känns inte igen
diff --git a/system/languages/th.yaml b/system/languages/th.yaml
index e6ccfaba5..f71b0371b 100644
--- a/system/languages/th.yaml
+++ b/system/languages/th.yaml
@@ -31,7 +31,7 @@ GRAV:
     YR_PLURAL: ปี
   FORM:
     VALIDATION_FAIL: '<b>ตรวจสอบล้มเหลว: </b>'
-    INVALID_INPUT: ป้อนข้อมูลไม่ถูกต้องใน
+    INVALID_INPUT: 'ป้อนข้อมูลไม่ถูกต้องใน'
     MISSING_REQUIRED_FIELD: 'ขาดข้อมูลที่จำเป็น:'
   MONTHS_OF_THE_YEAR:
     - 'มกราคม'
diff --git a/system/languages/tr.yaml b/system/languages/tr.yaml
index 2143f319c..783674d58 100644
--- a/system/languages/tr.yaml
+++ b/system/languages/tr.yaml
@@ -1,11 +1,32 @@
 ---
 GRAV:
   FRONTMATTER_ERROR_PAGE: "---\nBaşlık: %1$s\n---\n\n# Hata: Geçersiz Önbölüm\n\nYol: `%2$s`\n\n**%3$s**\n\n```\n%4$s\n```"
+  INFLECTOR_UNCOUNTABLE:
+    - 'ekipman'
+    - 'bilgi'
+    - 'pirinç'
+    - 'para'
+    - 'türler'
+    - 'seriler'
+    - 'balık'
+    - 'koyun'
+  INFLECTOR_IRREGULAR:
+    'person': 'kişi'
+    'man': 'erkek'
+    'child': 'çocuklar'
+    'sex': 'cinsiyet'
+    'move': 'taşınmış'
+  INFLECTOR_ORDINALS:
+    'default': '#F'
+    'first': ' 1.'
+    'second': ' 2.'
+    'third': ' 3.'
   NICETIME:
     NO_DATE_PROVIDED: Sağlanan tarih yok
     BAD_DATE: Yanlış tarih
     AGO: önce
     FROM_NOW: şu andan itibaren
+    JUST_NOW: şimdi
     SECOND: saniye
     MINUTE: dakika
     HOUR: saat
@@ -37,8 +58,8 @@ GRAV:
     YR_PLURAL: yıl
     DEC_PLURAL: onyl
   FORM:
-    VALIDATION_FAIL: <b>Doğrulama başarısız:</b>
-    INVALID_INPUT: Geçersiz bilgi girişi
+    VALIDATION_FAIL: '<b>Doğrulama başarısız:</b>'
+    INVALID_INPUT: 'Geçersiz bilgi girişi'
     MISSING_REQUIRED_FIELD: 'Gerekli alan eksik:'
   MONTHS_OF_THE_YEAR:
     - 'Ocak'
@@ -61,3 +82,17 @@ GRAV:
     - 'Cuma'
     - 'Cumartesi'
     - 'Pazar'
+  CRON:
+    EVERY: her
+    EVERY_HOUR: saatte bir
+    EVERY_MINUTE: dakikada bir
+    EVERY_DAY_OF_WEEK: haftanın her günü
+    EVERY_DAY_OF_MONTH: ayın her günü
+    EVERY_MONTH: her ay
+    TEXT_PERIOD: Her <b />
+    TEXT_MINS: ' saatin <b /> dakikasında'
+    TEXT_TIME: ' da'
+    ERROR1: Etiket %s desteklenmiyor!
+    ERROR2: Kötü eleman sayısı
+    ERROR3: jquery_element jqCron ayarları içinde tanımlanmalı
+    ERROR4: Tanınmayan ifade
diff --git a/system/languages/uk.yaml b/system/languages/uk.yaml
index d264fbada..8a138a483 100644
--- a/system/languages/uk.yaml
+++ b/system/languages/uk.yaml
@@ -37,8 +37,8 @@ GRAV:
     YR_PLURAL: рр.
     DEC_PLURAL: рр.
   FORM:
-    VALIDATION_FAIL: <b>Перевірка не вдалася:</b>
-    INVALID_INPUT: Невірне введення в
+    VALIDATION_FAIL: '<b>Перевірка не вдалася:</b>'
+    INVALID_INPUT: 'Невірне введення в'
     MISSING_REQUIRED_FIELD: 'Відсутнє обов''язкове поле:'
   MONTHS_OF_THE_YEAR:
     - 'Січень'
diff --git a/system/languages/vi.yaml b/system/languages/vi.yaml
index 0dc7e929f..9e3a0f46b 100644
--- a/system/languages/vi.yaml
+++ b/system/languages/vi.yaml
@@ -37,8 +37,8 @@ GRAV:
     YR_PLURAL: năm
     DEC_PLURAL: thập kỷ
   FORM:
-    VALIDATION_FAIL: <b>Xác nhận thất bại:</b>
-    INVALID_INPUT: Dữ liệu nhập không hợp lệ cho
+    VALIDATION_FAIL: '<b>Xác nhận thất bại:</b>'
+    INVALID_INPUT: 'Dữ liệu nhập không hợp lệ cho'
     MISSING_REQUIRED_FIELD: 'Thiếu trường bắt buộc:'
   MONTHS_OF_THE_YEAR:
     - 'Tháng 1'
diff --git a/system/languages/zh-cn.yaml b/system/languages/zh-cn.yaml
new file mode 100644
index 000000000..334b0b41c
--- /dev/null
+++ b/system/languages/zh-cn.yaml
@@ -0,0 +1,144 @@
+---
+GRAV:
+  FRONTMATTER_ERROR_PAGE: "---\n标题: %1$s\n---\n\n# 错误：无效参数\n\n位置： `%2$s`\n\n**%3$s**\n\n```\n%4$s\n```"
+  INFLECTOR_PLURALS:
+    '/(quiz)$/i': '\1zes'
+    '/^(ox)$/i': '\1en'
+    '/([m|l])ouse$/i': '\1ice'
+    '/(matr|vert|ind)ix|ex$/i': '\1ices'
+    '/(x|ch|ss|sh)$/i': '\1es'
+    '/([^aeiouy]|qu)ies$/i': '\1y'
+    '/([^aeiouy]|qu)y$/i': '\1ies'
+    '/(hive)$/i': '\1s'
+    '/(?:([^f])fe|([lr])f)$/i': '\1\2ves'
+    '/sis$/i': 'ses'
+    '/([ti])um$/i': '\1a'
+    '/(buffal|tomat)o$/i': '\1oes'
+    '/(bu)s$/i': '\1ses'
+    '/(alias|status)/i': '\1es'
+    '/(octop|vir)us$/i': '\1i'
+    '/(ax|test)is$/i': '\1es'
+    '/s$/i': 's'
+    '/$/': 's'
+  INFLECTOR_SINGULAR:
+    '/(quiz)zes$/i': '\1'
+    '/(matr)ices$/i': '\1ix'
+    '/(vert|ind)ices$/i': '\1ex'
+    '/^(ox)en/i': '\1'
+    '/(alias|status)es$/i': '\1'
+    '/([octop|vir])i$/i': '\1us'
+    '/(cris|ax|test)es$/i': '\1is'
+    '/(shoe)s$/i': '\1'
+    '/(o)es$/i': '\1'
+    '/(bus)es$/i': '\1'
+    '/([m|l])ice$/i': '\1ouse'
+    '/(x|ch|ss|sh)es$/i': '\1'
+    '/(m)ovies$/i': '\1ovie'
+    '/(s)eries$/i': '\1eries'
+    '/([^aeiouy]|qu)ies$/i': '\1y'
+    '/([lr])ves$/i': '\1f'
+    '/(tive)s$/i': '\1'
+    '/(hive)s$/i': '\1'
+    '/([^f])ves$/i': '\1fe'
+    '/(^analy)ses$/i': '\1sis'
+    '/((a)naly|(b)a|(d)iagno|(p)arenthe|(p)rogno|(s)ynop|(t)he)ses$/i': '\1\2sis'
+    '/([ti])a$/i': '\1um'
+    '/(n)ews$/i': '\1ews'
+  INFLECTOR_UNCOUNTABLE:
+    - '装备'
+    - '信息'
+    - '大米'
+    - '钱'
+    - '物种'
+    - '系列'
+    - '鱼'
+    - '羊'
+  INFLECTOR_IRREGULAR:
+    'person': '人员'
+    'man': '男人'
+    'child': '儿童'
+    'sex': '性别'
+    'move': '移动'
+  INFLECTOR_ORDINALS:
+    'default': 'th'
+    'first': 'st'
+    'second': 'md'
+    'third': 'rd'
+  NICETIME:
+    NO_DATE_PROVIDED: 无日期信息
+    BAD_DATE: 无效日期
+    AGO: 前
+    FROM_NOW: 距今
+    JUST_NOW: 刚刚
+    SECOND: 秒
+    MINUTE: 分钟
+    HOUR: 小时
+    DAY: 天
+    WEEK: 周
+    MONTH: 月
+    YEAR: 年
+    DECADE: 十年
+    SEC: 秒
+    MIN: 分钟
+    HR: 小时
+    WK: 周
+    MO: 月
+    YR: 年
+    DEC: 年代
+    SECOND_PLURAL: 秒
+    MINUTE_PLURAL: 分
+    HOUR_PLURAL: 小时
+    DAY_PLURAL: 天
+    WEEK_PLURAL: 周
+    MONTH_PLURAL: 月
+    YEAR_PLURAL: 年
+    DECADE_PLURAL: 十年
+    SEC_PLURAL: 秒
+    MIN_PLURAL: 分
+    HR_PLURAL: 时
+    WK_PLURAL: 周
+    MO_PLURAL: 月
+    YR_PLURAL: 年
+    DEC_PLURAL: 年代
+  FORM:
+    VALIDATION_FAIL: '<b>验证失败：</b>'
+    INVALID_INPUT: '无效输入'
+    MISSING_REQUIRED_FIELD: '必填字段缺失：'
+  MONTHS_OF_THE_YEAR:
+    - '1月'
+    - '2月'
+    - '3月'
+    - '4月'
+    - '5月'
+    - '6月'
+    - '7月'
+    - '8月'
+    - '9月'
+    - '10月'
+    - '11月'
+    - '12月'
+  DAYS_OF_THE_WEEK:
+    - '星期一'
+    - '星期二'
+    - '星期三'
+    - '星期四'
+    - '星期五'
+    - '星期六'
+    - '星期日'
+  CRON:
+    EVERY: 每隔
+    EVERY_HOUR: 每小时
+    EVERY_MINUTE: 每分钟
+    EVERY_DAY_OF_WEEK: 一周中的每一天
+    EVERY_DAY_OF_MONTH: 月份中的每一天
+    EVERY_MONTH: 每月
+    TEXT_PERIOD: 所有 <b />
+    TEXT_MINS: ' 在 <b /> 小时过后的分钟'
+    TEXT_TIME: ' 在 <b />:<b />'
+    TEXT_DOW: ' on <b />'
+    TEXT_MONTH: ' of <b />'
+    TEXT_DOM: ' on <b />'
+    ERROR1: 不支持分享类型 %s
+    ERROR2: 无效数字
+    ERROR3: 请在 jqCron 设置中设定 jquery_element
+    ERROR4: 无法识别表达式
diff --git a/system/languages/zh.yaml b/system/languages/zh.yaml
index 4912aa9ed..334b0b41c 100644
--- a/system/languages/zh.yaml
+++ b/system/languages/zh.yaml
@@ -101,9 +101,9 @@ GRAV:
     YR_PLURAL: 年
     DEC_PLURAL: 年代
   FORM:
-    VALIDATION_FAIL: <b>验证失败：</b>
-    INVALID_INPUT: 无效输入
-    MISSING_REQUIRED_FIELD: 必填字段缺失：
+    VALIDATION_FAIL: '<b>验证失败：</b>'
+    INVALID_INPUT: '无效输入'
+    MISSING_REQUIRED_FIELD: '必填字段缺失：'
   MONTHS_OF_THE_YEAR:
     - '1月'
     - '2月'
diff --git a/system/src/Grav/Common/Themes.php b/system/src/Grav/Common/Themes.php
index 45bea5e4b..6adeea09e 100644
--- a/system/src/Grav/Common/Themes.php
+++ b/system/src/Grav/Common/Themes.php
@@ -318,6 +318,7 @@ class Themes extends Iterator
 
     /**
      * Load theme languages.
+     * Reads ALL language files from theme stream and merges them.
      *
      * @param Config $config Configuration class
      * @return void
@@ -328,13 +329,13 @@ class Themes extends Iterator
         $locator = $this->grav['locator'];
 
         if ($config->get('system.languages.translations', true)) {
-            $language_file = $locator->findResource('theme://languages' . YAML_EXT);
-            if ($language_file) {
+            $language_files = array_reverse($locator->findResources('theme://languages' . YAML_EXT));
+            foreach ($language_files as $language_file) {
                 $language = CompiledYamlFile::instance($language_file)->content();
                 $this->grav['languages']->mergeRecursive($language);
             }
-            $languages_folder = $locator->findResource('theme://languages');
-            if (file_exists($languages_folder)) {
+            $languages_folders = array_reverse($locator->findResources('theme://languages'));
+            foreach ($languages_folders as $languages_folder) {
                 $languages = [];
                 $iterator = new DirectoryIterator($languages_folder);
                 foreach ($iterator as $file) {