TransFlow v1.6.1

Translation model management and improved translation toggle reliability.

What's New

• Translation Models in Settings — New "Translation Models" section to view installed translation languages, check download status, and manage languages via a dedicated sheet
• Smart Translation Picker — Target language dropdown now only shows installed languages that differ from the source, with a "Manage Languages" shortcut to Settings

Improvements

• Translation toggle now properly refreshes available languages and auto-selects the first valid target on every enable
• Switching transcription language automatically refreshes the translation target list when translation is active
• Removed the "max N activated" hint from the Speech Models section for a cleaner UI
• Settings page uses English as the fixed source language for translation model management

Bug Fixes

• Fixed translation toggle not re-triggering the system download dialog after dismissing it
• Fixed empty translation language list on first app launch (statuses were not loaded until visiting Settings)
• Fixed translation configuration not recreating when re-enabling with the same source/target pair

System Requirements

• macOS 15.0 or later
• Apple Silicon (arm64) or Intel (x86_64)

TransFlow v1.6.0

PKG auto-update: check, download, and install updates directly from the app.

What's New

• In-app auto-update: check GitHub Releases for new versions, download the PKG, and install — all from Settings
• Pre-install script automatically kills the running app before the installer replaces it
• Manual "Check for Updates" button in Settings

Improvements

• Replaced backend API version check with direct GitHub Releases API for more reliable update detection
• Download progress bar with cancel support during PKG download
• Streamlined update flow: check → download → install with clear status at each step

Bug Fixes

• Fixed video transcription not initializing translation settings on launch

System Requirements

• macOS 15.0 or later
• Apple Silicon (arm64) or Intel (x86_64)

TransFlow v1.5.0

This release adds a new System Audio capture source and switches TransFlow distribution to a notarized PKG installer.

What's New

• Add a new "System Audio" source to capture all app audio at once
• Show app icons in the audio source picker for faster source selection
• Ship a signed, notarized, and stapled PKG installer for /Applications
• Add a dedicated build-pkg.sh release script with Developer ID app signing, installer signing, notarization, and Gatekeeper validation

Improvements

• Update release automation and agent instructions to use PKG-only publishing
• Refresh download and installation documentation in both Chinese and English README files
• Simplify repository packaging guidance by removing DMG-specific release flow and docs

Bug Fixes

• Preserve entitlements and signing consistency in the local release packaging workflow

System Requirements

• macOS 15.0 or later
• Apple Silicon (arm64) or Intel (x86_64)

TransFlow v1.4.2

Real-time speaker diarization for live transcription, plus enhanced media playback controls.

What's New

• Real-time Speaker Diarization — Identify multiple speakers during live transcription

  • New RealtimeDiarizationService using FluidAudio's DiarizerManager + AudioStream
  • Toggle diarization on/off from the control bar
  • Speaker labels shown in transcription and floating preview
  • Supports backfill: speaker info updates historical sentences when available

• Media Player Bar — Unified playback controls for audio file history

  • Combined play/pause button with progress slider
  • Replaces simple buttons in video/audio session detail view

• Audio History Type — Added .audio type to HistoryItemType

  • New filter option in History view (All / Live / Audio / Video)
  • Distinct badge colors and icons for each type

Improvements

• Enhanced Speaker Identification Accuracy

  • Optimized clusteringThreshold from 0.8 to 0.5 for better real-time performance
  • Increased chunk duration from 5s to 10s with 3s overlap for smoother transitions
  • Added minSpeechDuration (0.5s) and minSilenceGap (0.3s) settings

• Improved Logging

  • Detailed chunk processing logs with speaker counts and timing breakdowns
  • Startup configuration summary
  • Session statistics on stop

• Data Persistence

  • Speaker information now saved to JSONL export files
  • liveEnableDiarization setting persists in UserDefaults

Bug Fixes

• Fixed false "Model Not Ready" alert when model is downloading

System Requirements

• macOS 15.0 or later
• Apple Silicon (arm64) or Intel (x86_64)
• Diarization model download required for speaker identification feature

TransFlow v1.4.1

Speech model management improvements and false alarm fix.

What's New

• Enhanced speech model management with lifecycle observer and stale cache recovery
• Download progress indicator on the record button when a model is being downloaded
• "Downloading model..." status text in the control bar

Improvements

• Speech model manager now re-validates model statuses when the app returns to foreground
• ensureModelReady properly awaits in-progress downloads instead of returning false immediately
• downloadModel is now reentrant-safe — concurrent calls share a single download task
• Language switching waits for model readiness before resuming transcription

Bug Fixes

• Fixed false "Model Not Ready" alert when the speech model is still downloading
• Fixed race condition in language switching where transcription started before model was ready
• Fixed stale AssetInventory cache causing previously-installed models to appear as not downloaded

System Requirements

• macOS 15.0 or later
• Apple Silicon (arm64) or Intel (x86_64)

TransFlow v1.4.0

Video transcription with speaker diarization, floating preview improvements, and bug fixes.

What's New

• Video transcription support with speaker diarization
• Save recordings to session files
• Adjustable font size in floating preview panel (12–72 pt dropdown menu)
• Auto-scroll toggle in transcription view

Improvements

• Redesigned floating preview control buttons (horizontal layout, floating above text)
• Expanded hit area on floating panel buttons for easier interaction
• Updated app logo
• Refined diarization sensitivity and audio splitting

Bug Fixes

• Fixed crash in release/DMG builds caused by SwiftUI VideoPlayer metadata resolution
• Fixed crash when navigating to History while live transcription + translation is active
• Fixed "Create" button being disabled when session name is pre-filled
• Fixed content start time calculation
• Refined button dimensions and spacing in floating preview panel

System Requirements

• macOS 15.0 or later
• Apple Silicon (arm64) or Intel (x86_64)

TransFlow v1.3.0

Introducing the new Floating Live Caption Panel and Markdown Preview for enhanced transcription experience.

What's New

• Floating Live Caption Panel: A detachable floating window showing real-time transcription in a clean, readable caption format
• Markdown Preview: Support for previewing markdown content directly within the app
• Global Hotkeys: Keyboard shortcuts for quick access to key features

Improvements

• Refined DMG code signing for better distribution
• Improved floating preview readability with adjusted font sizes and layout
• Enhanced floating panel dimensions and visual design

Bug Fixes

• Fixed grey titlebar strip on floating panel by removing titled style mask

System Requirements

• macOS 15.0 or later
• Apple Silicon (arm64) or Intel (x86_64)

TransFlow v1.2.0

Improved update checker with backend API integration and richer version status UI.

Improvements

• Update checker now uses TransFlow backend API for more reliable version detection
• Settings version row shows detailed update status (available update, up-to-date, checking, failed)
• Silent error handling for update checks — never blocks or interrupts the user

System Requirements

• macOS 15.0 or later
• Apple Silicon (arm64) or Intel (x86_64)

TransFlow v1.1.0

Compatibility and stability improvements with macOS 26 support and key bug fixes.

What's New

• Support for macOS 26.0 (Tahoe)

Improvements

• Record button now shows pointer cursor on hover for better interactivity
• Version display in Settings simplified (removed redundant build number)

Bug Fixes

• Fixed "Too many allocated locales" error when downloading more than 5 speech models
• Fixed update checker error handling

System Requirements

• macOS 15.0 or later
• Apple Silicon (arm64) or Intel (x86_64)

TransFlow v1.0.0

First official release of TransFlow — a macOS real-time speech transcription and translation app powered by local AI models.

Features

• Real-time Speech Transcription — Capture and transcribe speech in real-time using macOS system microphone
• AI-powered Translation — Translate transcription results with configurable AI models
• Model Manager — Configure and manage AI model endpoints directly in the app
• Session Management — Automatically save transcription sessions as JSONL files for later review
• History Browser — Browse, preview, rename, and delete past transcription sessions
• Export Support — Export sessions to SRT and Markdown formats
• Error Log Collection — Collect and view error logs for troubleshooting
• Settings & Customization — Configure AI model, language preferences, and app appearance (light/dark/system)
• Internationalization — Full support for English and Simplified Chinese (zh-Hans)
• DMG Installer — Professional DMG packaging with custom background

Bug Fixes

• Fixed translation language check validation

System Requirements

• macOS 15.0 or later
• Apple Silicon (arm64) or Intel (x86_64)