Changelog

Latest updates and improvements to SubEnvoy

v1.3

iOS / macOS2026-09-01
  • newThe cloud translation task list is now a native table: columns for name, target language, status, and credits; supports custom column widths restored automatically and a more stable context menu.
  • improvementAdopts the backend V2 translation protocol and fixes subtitle translation timeline offsets, noticeably reducing duplicate or misaligned adjacent subtitles.
  • improvementImproved the credits balance and expiry display on the home page, avoiding a false "0 days to expire" warning.
  • fixFixed the issue where multilingual audio tracks were incorrectly transcribed into English; transcription now preserves the original audio language.
  • fixOptimized the filing number display on the app's About page.

Service Update

ServerModel Upgrade2026-07-05
  • improvementTranslation service models upgraded: Standard mode now uses DeepSeek V4 Flash, Advanced mode now uses Gemini 3.1 Flash Lite — upgraded from preview to stable production versions for improved quality and speed.

v1.2.2

iOS / macOS2026-05-19
  • improvementImproved embedded subtitle detection to automatically skip image-based tracks, preventing parsing interruptions.

v1.2.1

iOS / macOS2026-04-25
  • new[macOS] Added model switching to the transcription page, allowing you to choose between Lite and Pro models.
  • new[macOS] Introduced high-precision Pro models for more accurate extraction of original dialogue from complex audio.
  • improvementTranslation quality is significantly improved, providing a more accurate and professional localized AI translation experience.
  • improvement[macOS] A new model cleanup tool in Preferences lets you delete downloaded model files with one click to free up disk space.
  • improvement[iOS] Optimized the model download process to increase success rates and shorten waiting times.
  • improvement[iOS] Removed the pre-warming feature and tuned memory management to fix performance issues in specific scenarios.
  • improvement[iOS] Added dynamic progress indicators for AI engine initialization and introduced timeout consolation logic.

v1.0.0

macOSOfficial Release2026-04-21
  • newSubEnvoy for macOS is now officially available on the Mac App Store
  • newHigh-efficiency desktop workflow with drag-and-drop file support
  • improvementPerformance optimization for long-form content (movies, lectures)
  • improvementDeeply integrated hardware acceleration for superior offline transcription performance

v1.0.1

iOS2026-04-08
  • improvementImproved the display of consumption history for better readability
  • fixFixed a database error that could cause sync issues

v1.0.0

iOSInitial Release2026-04-05
  • newSubEnvoy is now available on the App Store
  • newLocal offline transcription powered by Apple Silicon hardware acceleration
  • newSmart AI subtitle translation for 10+ languages
  • newFully optimized for iOS 26.0+