diff --git a/frontend/src/Utilities/String/translate.ts b/frontend/src/Utilities/String/translate.ts
index a4546a218..5571ef6b0 100644
--- a/frontend/src/Utilities/String/translate.ts
+++ b/frontend/src/Utilities/String/translate.ts
@@ -27,6 +27,12 @@ export default function translate(
   key: string,
   tokens: Record<string, string | number | boolean> = {}
 ) {
+  const { isProduction = true } = window.Lidarr;
+
+  if (!isProduction && !(key in translations)) {
+    console.warn(`Missing translation for key: ${key}`);
+  }
+
   const translation = translations[key] || key;
 
   tokens.appName = 'Lidarr';
diff --git a/frontend/typings/Globals.d.ts b/frontend/typings/Globals.d.ts
index b2b10fb70..3509249fc 100644
--- a/frontend/typings/Globals.d.ts
+++ b/frontend/typings/Globals.d.ts
@@ -7,5 +7,6 @@ interface Window {
     theme: string;
     urlBase: string;
     version: string;
+    isProduction: boolean;
   };
 }
diff --git a/src/NzbDrone.Core/Localization/Core/en.json b/src/NzbDrone.Core/Localization/Core/en.json
index 24a02144c..91ef5f5aa 100644
--- a/src/NzbDrone.Core/Localization/Core/en.json
+++ b/src/NzbDrone.Core/Localization/Core/en.json
@@ -707,6 +707,7 @@
   "MassSearchCancelWarning": "This cannot be cancelled once started without restarting {appName} or disabling all of your indexers.",
   "MatchedToAlbums": "Matched to Albums",
   "MatchedToArtist": "Matched to Artist",
+  "Max": "Max",
   "MaximumLimits": "Maximum Limits",
   "MaximumSize": "Maximum Size",
   "MaximumSizeHelpText": "Maximum size for a release to be grabbed in MB. Set to zero to set to unlimited.",
@@ -727,6 +728,7 @@
   "MetadataProfiles": "Metadata Profiles",
   "MetadataSettings": "Metadata Settings",
   "MetadataSettingsArtistSummary": "Create metadata files when tracks are imported or artist are refreshed",
+  "Min": "Min",
   "MinFormatScoreHelpText": "Minimum custom format score allowed to download",
   "MinimumAge": "Minimum Age",
   "MinimumAgeHelpText": "Usenet only: Minimum age in minutes of NZBs before they are grabbed. Use this to give new releases time to propagate to your usenet provider.",
@@ -894,6 +896,7 @@
   "PreferProtocol": "Prefer {preferredProtocol}",
   "PreferTorrent": "Prefer Torrent",
   "PreferUsenet": "Prefer Usenet",
+  "Preferred": "Preferred",
   "PreferredProtocol": "Preferred Protocol",
   "PreferredSize": "Preferred Size",
   "Presets": "Presets",
@@ -1208,6 +1211,7 @@
   "TimeFormat": "Time Format",
   "TimeLeft": "Time Left",
   "Title": "Title",
+  "Today": "Today",
   "Tomorrow": "Tomorrow",
   "TorrentDelay": "Torrent Delay",
   "TorrentDelayHelpText": "Delay in minutes to wait before grabbing a torrent",