The app now shows language names in English (e.g., “German”, “Chinese (Simplified)”) instead of raw locale codes, and defaults to “English” for any unknown codes.

History files are checked before download, making the process faster and preventing unnecessary error messages.
When you try to download a file that isn’t there, the app now clearly tells you “File not found” instead of a generic error.
Quota‑limit messages are now consistent, displaying a clear “DailyQuotaReached” notice when you hit your daily limit.
Documents with unsupported character encodings are now handled more reliably by falling back to a standard Latin‑1 encoding.

Missing files are correctly reported as “File not found” instead of causing a server error.
The quota‑exceeded warning now always appears in the same format, so you know exactly why you can’t process more documents today.
The unsupported “jfif” file type has been removed from the list of accepted inputs, preventing unexpected upload failures.

Chat history updates are now smoother and faster, thanks to fewer background storage calls.

Clear Error Messages and Language Names