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Changelog

All notable changes to LoopMate (formerly ModernABLoop) will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

Unreleased

[0.9.2] - 2026-03-15

Added

  • Persistent player:
    • Persistent media player that survives page navigation, preserving playback state across routes
    • Virtualized transcript list for smooth rendering of long transcripts without performance degradation

Changed

  • Transcript controls:
    • Merged transcript action buttons directly into the header for a cleaner, more accessible layout
    • Replaced individual export buttons with a single dropdown menu to reduce toolbar clutter
  • Storage cleanup:
    • Transcript records are now deleted atomically alongside media files using a shared deleteMediaRecords helper
    • clearAllMediaFiles now clears both the media store and transcript store in a single transaction
    • Cleanup routine removes orphaned transcript records when old media files are purged

Fixed

  • AI settings:
    • AI provider and model selections now initialize correctly from localStorage on first render
  • Storage:
    • Removed obsolete v3 migration block that incorrectly wiped mediaTranscripts on store rehydration

[0.9.1] - 2026-03-14

Added

  • Local AI services:
    • Added Ollama integration as a local LLM provider for AI chat and explanation features
    • Added Local Whisper transcription support for fully offline audio transcription

Changed

  • Playlist cleanup:
    • Removed leftover playlist and queue controls from desktop and mobile player UIs
    • Removed obsolete queue state and media-end auto-advance behavior from the player store
    • Removed Play All actions from the media library after playlist support was dropped
  • Transcript and explanation UX:
    • Tightened explanation prompts to produce shorter language-learning focused output
    • Updated transcript empty-state copy to reference the active transcription provider
    • Refined transcript-related translations across English, Japanese, and Chinese
  • AI provider defaults:
    • Refreshed OpenAI, Gemini, and Grok model catalogs and pricing metadata
    • Updated default chat and transcription model selections to newer provider defaults
  • Settings navigation:
    • Added support for opening the AI tab directly with the tab=ai settings query parameter

Fixed

  • Build:
    • Removed unused variables in TranscriptPanel that caused TypeScript compilation errors

0.9.0 - 2026-03-12

Added

  • Playback controls:
    • Added a dedicated "play from start" control in the player UI
    • Added safer pending-play handling so media can begin automatically once the element is ready
  • Transcription workflow:
    • Added loop-range transcription so the active A-B selection can be sent directly for transcription
    • Added an explicit full-range transcription action and cancel controls for long-running jobs
  • Waveform processing:
    • Added cached waveform analysis utilities for background generation and progressive loading
    • Added large-file waveform loading feedback with analysis progress states

Changed

  • AI settings overhaul:
    • Rebuilt the AI settings page into clearer defaults, providers, and transcription sections
    • Improved provider selection, model selection, API key handling, and connection testing flows
    • Expanded translations for the new AI and transcription settings UI
  • Shadowing workflow simplification:
    • Simplified shadowing playback and recording to a single-track model
    • Refined recorder state handling, cleanup behavior, and waveform rendering for shadowing sessions
  • Waveform experience:
    • Reworked waveform loading and rendering to better handle very large local audio files
    • Improved waveform caching, zoom behavior, and loading transitions for stored media
  • Player and media state management:
    • Improved playback state synchronization between the media element and the global store
    • Reduced noisy current-time updates and tightened media cleanup during unmounts
  • Transcript actions:
    • Refined transcript action buttons and range-aware transcription entry points

Fixed

  • Playback reliability:
    • Fixed cases where play requests could be dropped before media was ready
    • Fixed store playback state drifting out of sync with the actual media element
  • Waveform stability:
    • Fixed large audio waveform loading regressions and reduced failures during background analysis
    • Improved recovery and status handling when waveform analysis cannot complete normally
  • Shadowing and storage cleanup:
    • Improved cleanup around shadowing recordings and related persisted media state
    • Fixed several edge cases in local media storage and waveform cache updates

0.8.1 - 2026-02-17

Added

  • AI Service Updates:
    • Updated AI models (GPT-5 family, Gemini 3 family, Grok 4) in aiService.ts
    • Improved transcription timestamp accuracy and audio resampling logic
  • Player Enhancements:
    • Added media title display to the player UI
    • Robust shadowing segment deletion with automatic file cleanup

Fixed

  • Bug Fixes:
    • Fixed loop playback issue when no A/B area is focused
    • Resolved infinite re-render loop in WaveformVisualizer
    • Fixed volume control visibility and aesthetics
  • Maintenance:
    • Resolved multiple TypeScript linting errors and removed unsafe any casts
    • Cleaned up unused variables in shadowingStore.ts

0.8.0 - 2025-12-13

Added

  • Playback Persistence:
    • Automatically saves and restores playback position for media files and YouTube videos
    • Includes new mediaVolume and previousMediaVolume states in store
  • Advanced Audio Controls:
    • Three-level volume architecture: Media, Recording (Shadowing), and Master
    • Independent mute controls for each level with visual feedback
    • Synchronized volume state across all player components
  • Shadowing Enhancements:
    • Mobile Support: Added dedicated recording button to mobile interface
    • Smart Overwrite: New logic to handle overlapping shadowing recordings purely
    • Media Track Control: Added volume slider and mute toggle for the backing media track in shadowing view
  • Visual Updates:
    • Bar Waveform: Transitioned from line to bar-based waveform visualization for clearer silence formatting
    • YouTube UI: Stylized "waveform not supported" notice with improved aesthetics

Changed

  • Loop & Interaction Refinements:
    • Implemented "Smart Looping": auto-activates loop when clicking loop button inside a bookmark
    • Restricted 'M' shortcut to strictly require A-B loop for bookmark creation
    • Separated waveform interactions: body click for seeking, marker click for selection
  • Shadowing Workflow:
    • Improved auto-mute behavior: restores previous mute state instead of always unmuting after recording
    • Enhanced recording state management for mobile users

Fixed

  • Resolved block-scoped variable error in WaveformVisualizer
  • Removed redundant total storage display in StorageUsageInfo
  • Added missing common.remove translation key

0.7.0 - 2025-09-19

Added

  • Shadowing Recorder (Major Feature):
    • Integrated voice recorder to practice speaking alongside media
    • Real-time Visualization: See your recording waveform (red) overlaid on the original audio (green) instantly
    • Smart Overwrite: Re-recording a section automatically trims or splits existing recordings (non-destructive punch-in)
    • Auto-Mute: Automatically mutes the shadowing track while recording to prevent echo/feedback
    • Dual Volume Control: Independent volume sliders for the original track and your recorded voice
  • Mobile Recording Controls: Added a dedicated microphone button to the mobile player interface

Changed

  • Updated ShadowingStore to support file slicing (fileOffset) for efficient audio segment management
  • Optimized waveform rendering to handle layered audio visualizations
  • Refactored useShadowingPlayer to use Web Audio API for precise playback synchronization

0.6.1 - 2025-09-19

Added

  • Enhanced Media History UI with folder navigation and sorting controls
  • Added i18n translations for player controls and loop components

Changed

  • Updated disabled bookmark button styling
  • Changed history icon to ListVideo for better visual representation

0.6.0 - 2025-09-14

Added

  • Internationalization (i18n) support:
    • Complete translations for player controls and bookmarks
    • Language detection and switching capability
    • Support for English, Chinese, and Japanese languages
  • Video file support:
    • Native video player integration
    • Waveform visualization for video files
    • Enhanced native media controls
  • Playlist management:
    • UI for playlist creation and editing
    • Playback mode controls (shuffle, repeat)
    • Queue management system
  • Media organization:
    • Folder organization for media history
    • Sorting options for media files
    • Improved media history panel
  • Enhanced controls:
    • Redesigned mobile controls
    • Quick-add bookmark feature
    • Configurable seek steps
    • Improved bookmark navigation

Fixed

  • Standardized z-index layering across components
  • Added ESC key and click-outside handling for all drawers
  • Improved bookmark management across components

0.5.0 - 2025-05-29

Added

  • AI-powered text explanation feature for transcript segments:
    • Explain button on each transcript segment for language learning
    • Support for OpenAI GPT, Google Gemini, and xAI Grok AI services
    • Translation, explanation, difficulty assessment, and key vocabulary extraction
    • Configurable target language and preferred AI service
    • Secure API key storage in browser localStorage
    • Fallback between AI services for reliability

0.4.0 - 2025-05-26

Added

  • Comprehensive transcript management system:
    • Advanced parsing for SRT, VTT, and TXT transcript formats
    • Detailed error handling with user feedback
    • Auto-format detection based on file extension and content
  • Enhanced UI customization:
    • Expanded settings drawer with interface layout controls
    • Component-level visibility toggles for player, waveform, transcript, and controls
    • Persistent layout preferences across sessions
  • Improved media interaction:
    • Auto-play functionality when navigating through transcript segments
    • Media-scoped transcript system that persists across sessions
    • Bookmark creation directly from transcript segments

Enhanced

  • OpenAI Whisper integration:
    • Improved transcription workflow with progress indicators
    • Secure API key management with local storage
    • Multiple export format options (SRT, VTT, TXT)
  • Navigation system:
    • Streamlined routing architecture
    • Better integration with media history
    • Simplified user flow between components

Technical

  • Refactored store architecture:
    • Media-scoped data structures for transcripts and bookmarks
    • Centralized seeking logic
    • Improved state management for UI components
  • Performance optimizations:
    • Reduced re-renders in transcript components
    • Optimized media loading process
    • Enhanced error handling throughout the application

0.3.0 - 2025-05-25

Added

  • Transcript file upload support with SRT, VTT, and TXT formats
  • Settings drawer to control UI component visibility
  • Layout settings for customizable UI component visibility
  • OpenAI Whisper transcription with UI controls and export options
  • Enhanced navigation system with simplified routing and media history integration
  • Hidden mode for media players to maintain functionality without UI
  • Auto-play when jumping to transcript segments

Changed

  • Increased icon sizes for better visibility
  • Refactored transcript management to support media-scoped transcripts
  • Updated related components to work with the new transcript system

0.2.0 - 2025-05-25

Added

  • Mobile touch support and responsive design for waveform visualizer
  • Mobile-optimized controls and touch-friendly UI components
  • Notification badges for bookmark and history features

Changed

  • Rebranded from ModernABLoop to LoopMate across all files
  • Moved bookmark and history buttons to header for better accessibility
  • Adjusted header layout and icon sizes for improved mobile responsiveness

Refactored

  • Centralized seeking logic in playerStore for better code organization
  • Updated useMediaQuery import path to use alias

0.1.0 - 2025-05-25

  • Initial release with core functionality including:
    • Audio and YouTube media player components
    • A-B loop functionality for precise media loops
    • Audio visualization features
    • Media controls (play, pause, loop, etc.)
    • Layout optimizations for desktop view
    • TypeScript and React component structure