Transcription Studio: Brand new interactive workspace for reviewing transcriptions with professional tools

Audio Player Integration: Full-featured audio player with play/pause, seek, skip (±10s), and volume controls

Interactive Transcript: Click any segment to jump to that exact moment in the audio

Real-time Segment Highlighting: Current segment automatically highlights during playback

OpenAI Whisper Model: Upgraded to OpenAI's official Whisper model for better accuracy and timestamp precision

Timestamp-Based Segments: Each transcription now includes precise start/end times for every segment

Enhanced Export Formats: Download transcriptions in TXT, SRT, VTT, and DOCX with proper timestamps

SRT/VTT Generation: Professional subtitle file generation with accurate timestamps from API

Transcript Search: Search functionality with result highlighting in segments

Responsive Studio Layout: Two-column design optimized for both desktop and mobile

Better Timestamp Accuracy: OpenAI Whisper provides more precise segment boundaries

Streamlined UI: Removed speaker diarization option to simplify the interface

Segment Data Storage: All transcriptions now store segment arrays with timestamps

Modal-Based Studio: Studio opens in a dedicated modal for focused work without losing context

Click-to-Seek: Instant audio navigation by clicking transcript segments

Session Persistence: Segments are saved in session history for later playback

Audio Playback: Fixed audio player to properly connect with transcript

Time Synchronization: Resolved timing issues between audio and transcript highlighting

Export Quality: Improved SRT/VTT file format generation with proper timestamps

Universal Audio Format Support: Added automatic audio format conversion powered by CloudConvert API

Seamless Format Conversion: M4A, AAC, MP4, WMA, AIFF, and CAF files are now automatically converted to MP3 before transcription

iPhone Recording Support: Native support for M4A files from iPhone Voice Memos and other iOS recording apps

Windows Media Audio Support: Added WMA file support for Windows users

macOS Audio Support: Full compatibility with AIFF and CAF audio formats from macOS applications

CloudConvert API Integration: New /api/convert/cloud endpoint with comprehensive job management and error handling

Intelligent Format Detection: Advanced file format detection utility with 15+ supported audio formats

Real-Time Conversion Transparency: Added detailed API response logging visible in UI details panel during conversion

Conversion Progress Tracking: Live status updates with step-by-step conversion process visibility

Secure Temporary File Handling: Automatic cleanup of conversion files with privacy-focused temporary storage

Enhanced File History: Converted files now properly appear as 'file uploads' in transcription history with original filenames

Smart Conversion Routing: Automatic detection and routing based on file format without user intervention

CloudConvert Health Monitoring: Built-in API health checks and service availability validation

Comprehensive Format Documentation: Updated documentation with detailed format support matrix and conversion explanations

Multi-Format Download System: Complete download dropdown with support for TXT, Markdown, DOCX, and PDF formats

Professional Document Generation: Real DOCX files using the docx library with proper formatting, titles, and paragraph structure

PDF Export with Text Wrapping: PDF generation using jsPDF with automatic text wrapping and professional layout

Enhanced Markdown Export: Structured Markdown files with proper headings and formatting

Arabic Language Detection: Automatic detection of Arabic text using comprehensive Unicode character ranges

Arabic Format Beta Warnings: Clear beta ribbons on DOCX and PDF downloads for Arabic content with explanatory notices

Format Compatibility Notices: User-friendly warnings explaining format limitations for Arabic text with recommendations

Enhanced User Experience: Conversion process is completely transparent with immediate 'Converting...' UI feedback

Processing Time Optimization: Direct formats (MP3, WAV, FLAC, OGG) process immediately, converted formats add only 30-60 seconds

Automatic Workflow Integration: Conversion seamlessly flows into existing transcription pipeline without user interaction

Mobile Conversion Support: All conversion features fully functional on mobile devices with touch-optimized interfaces

Visual Format Indicators: Color-coded format categories (green for direct support, blue for auto-conversion) in documentation

Enhanced Progress Visualization: Updated TranscriptionProcessing component with conversion-specific status messages

Improved Error Handling: Better error messages and fallback options for conversion failures

Updated Help Documentation: Completely rewritten audio format support section with visual guides and process explanations

File Format Classification: Clear distinction between 'directly supported' and 'auto-converted' formats for user expectations

Enhanced File Validation: Improved file type detection with both extension and MIME type checking

README Documentation: Updated project README with comprehensive CloudConvert setup instructions and format support matrix

Environment Configuration: Enhanced environment variable documentation for CloudConvert API setup

Unified Transcription Results UI: Complete redesign with mobile-inspired card layout replacing complex tabs system

Streamlined Download Interface: Single dropdown button with organized format options and visual icons

Improved Dropdown Visibility: Solid backgrounds with proper shadows and borders for better readability

Enhanced Download Performance: Optimized file generation with proper memory cleanup and blob URL management

Internationalization Awareness: Smart language detection with format-specific recommendations for non-Latin scripts

Session History Persistence: Fixed transcription history only keeping most recent entry - now properly accumulates all transcriptions chronologically

Session ID Management: Modified createSession() to always generate unique session IDs instead of reusing cookie values

SSL Certificate Issues: Resolved development environment SSL certificate errors in Replicate API calls

UI State Management: Fixed conversion status not appearing immediately - UI now shows 'Converting...' state instantly

File History Categorization: Resolved converted files appearing as 'URL audio' - now properly categorized as file uploads with original filenames

Conversion Flow Metadata: Enhanced data flow to preserve original file information throughout conversion process

File Input Validation: Updated file input to accept all supported formats including M4A, AAC, and other convertible types

UnsupportedFormatHelp Component: Updated component to handle conversion failures rather than format rejection

Added V2 Announcement modal for first-time visitors with celebratory confetti animation

Implemented localStorage-based persistence to show announcement only once per user

Added debug function seenV2(false) for developers to re-enable the announcement modal

Documentation Page: Created comprehensive documentation at /documentation with getting started guide, features overview, troubleshooting, and FAQ

Mobile-First UI System: Developed a complete mobile-optimized interface with hamburger navigation, touch-friendly components, and responsive layouts

Mobile Navigation: Added slide-out hamburger menu with backdrop overlay and organized navigation sections

Mobile-Specific Components: Created MobileHeader, MobileFooter, MobileButton, MobileInput, MobileDialog, and MobileTranscriptionResult components

Touch-Optimized Interactions: Implemented 44px minimum touch targets, active state feedback, and gesture-friendly animations

Responsive Transcription Results: Added mobile-specific transcription display with task-oriented layout, preview mode, and expandable full text view

Mobile-Optimized Changelog: Created accordion-based mobile changelog with version and category sections for better mobile navigation

Safe Area Support: Enhanced mobile experience with proper safe area handling for modern smartphones

Analytics Opt-Out: You can now opt-out of analytics tracking in the settings.

Improved Session History: Added ranged query support for fetching your transcription history.

Enhanced user onboarding experience with welcoming V2 announcement

Integrated confetti animation with proper z-index layering for visual celebration

Complete Migration to Next.js: The entire application has been migrated from Vite to Next.js, including the move from Netlify Functions to Next.js API Routes and the adoption of native Next.js routing.

Modernized Styling: Adopted CSS variables for theming and migrated to Tailwind CSS v4 syntax for a more maintainable and modern codebase.

Mobile-First Responsive Design: Extended Tailwind configuration with mobile breakpoints, touch detection utilities, and custom spacing for optimal mobile experience

Conditional Mobile/Desktop Rendering: Implemented smart device detection to serve optimized interfaces without affecting existing desktop functionality

Enhanced Touch Feedback: Added scale animations, haptic-style feedback, and improved button states for better mobile interaction

Mobile Layout Optimization: Redesigned headers, footers, and form layouts specifically for mobile devices while preserving desktop experience

Documentation Organization: Migrated documentation from component-based routing to proper Next.js App Router structure

Component Architecture: Cleaned up legacy Vite routing code and consolidated documentation into /app/documentation/page.tsx

Data Architecture: Centralized changelog data in dedicated /data/changelog.ts module for consistency across components

TypeScript Improvements: Fixed ButtonProps export issues and enhanced type safety across UI components

Simplified PDF Generation: Removed the external 'printerz' PDF generation service, streamlining the architecture.

Smoother UI: Replaced layout transitions with more fluid, spring-based animations.

Codebase Health: Performed a major refactoring across the entire application, improving type safety, removing unused code, simplifying components, and enforcing a consistent code style with ESLint and Prettier.

Resolved a type error for the fileInputRef prop.

Fixed various linting errors across the application and API.

Corrected the environment variable for the Replicate API.

Enabled proper client-side routing within Next.js.

Fixed TypeScript compilation errors in AnimatedButton component by properly importing ButtonProps interface

Resolved module export issues with UI component type definitions

Updated Footer navigation links to point to correct /documentation route instead of /docs

Cleaned up old Vite LazyRoutes.tsx file that was causing build failures

Fixed mobile component integration compilation errors in TranscriptionForm.tsx

Resolved Framer Motion animation type issues in mobile components

Fixed conditional rendering logic for mobile vs desktop component display

Refactored generatePdfLocally function to reduce cognitive complexity.

Addressed cognitive complexity issue in PDF generation logic.

Added basic content to the Documentation page.

Added a "Back to Home" button on the Documentation page.

Removed FFmpeg dependency and all related audio conversion logic.

Fixed build errors caused by FFmpeg dependency issues.

Enhanced transcription reliability with automatic batch size reduction

Added smart retry logic for handling GPU memory limitations

Fixed "CUDA out of memory" errors by automatically reducing batch size and retrying

Resolved transcription failures on larger audio files with dynamic resource allocation

Added improved multilingual document generation for better international language support

Implemented true PDF generation with proper multilingual text support

Enhanced document export to properly handle Arabic, Hebrew, and other non-Latin scripts

Optimized PDF generation with automatic RTL text direction detection

Added automatic fallback to HTML format when PDF generation fails

Implemented proper page layout with headers, footers, and multi-page support

Fixed issue with Arabic and other non-Latin text displaying as gibberish in exported documents

Fixed document generation issues when Printerz API is unavailable

Fixed inconsistent file extensions in document downloads

Added dialog component for improved user interactions

Implemented session persistence for transcriptions

Added transcription history feature

Refactored code to reduce cognitive complexity in transcription processing

Enhanced exception handling in Firebase proxy service

Optimized Replicate client by removing unused variables

Enhanced transcription progress tracking with cleaner percentage ranges

Redesigned layout components for better user experience

Fixed ignored exceptions in Firebase proxy service

Removed useless variable assignment in Replicate client

Reduced complexity in transcribe function for better maintainability

Resolved typo where meta tag had placeholder information

Fixed decimal values in progress percentages for a cleaner UI experience

Implemented audio upload and transcription functionality with URL support

Added SEO and social meta tags

Integrated branding assets (favicon, social image)

Introduced LoadingFallback component for lazy-loaded routes.

Created cleanup service for managing temporary files in Firebase.

Enhanced polling mechanism to fix timing issues

Refactored polling logic into custom hook useTranscriptionPolling

Replaced MainApp component with MainLayout for better organization.

Refactored UploadAudio component to utilize new FileUploadInput and UrlInput components.

Added cleanup functionality for temporary files in Firebase after transcription.

Implemented lazy loading for transcription-related components in MainLayout.

Enhanced URL validation logic in UploadAudio component.

Updated Firebase upload utility to handle base64 data uploads.

Improved error handling and logging in Replicate API interactions.

Resolved issue where polling stopped prematurely due to state update timing

Added OGG support

Optimized analytics loading

Enhanced chunking strategy for improved performance

Performance optimizations across the application

Added changelog and feedback components

Added Google site verification HTML file

Implemented dynamic imports for performance optimization

Added Google Analytics integration

Added TranscriptionProcessing and TranscriptionResult components

Added PDF and DOCX generation capabilities

Enhanced header and footer for changelog access

Integrated cookie consent management with analytics tracking

Added ad blocker detection

Added Terms of Service and Privacy Policy components

Analytics initialization to use new Clarity library

Added feedback form and modal for user feedback collection

Added Firebase configuration files

Added HTML template and instructions for template generation

Added .hintrc configuration file

Enhanced PDF generation with Firebase upload

Updated feedback modals to use specific IDs

Enhanced feedback form handling with device info detection

Updated README with environment variables section

Added PDF generation support with pdfMake

Integrated Printerz API for PDF generation

Added customizable title input for PDFs

Refactored code structure for improved readability

Refactored PDF generation to remove unused code

Added Firebase integration for file storage

Implemented FFmpeg download script

Added audio conversion functionality

Added CloudConvert function for audio conversion

Implemented cookie consent management

Enhanced dark mode support with improved text colors

Updated audio format support and user guidance

Refactored download-ffmpeg script to use ESM imports

Firebase file upload handling and cleanup process

Implemented alternative FFmpeg download script

Updated Netlify configuration

Added debug environment function and enhanced file conversion error handling

Added Netlify deployment support with API functions

Updated .gitignore to include .env and .netlify folders

Disabled dark mode by changing Tailwind configuration

Updated Netlify build command and TypeScript configuration

Implemented custom file input hook

Added audio upload component with improved error handling

Enhanced Tailwind CSS configuration with backdrop filter and typography plugin

Added Prettier configuration

Updated README with project overview and setup instructions

Audio transcription handling with improved error management

Audio upload component layout

TypeScript settings for module interoperability

Initial project setup with Vite, React, and TypeScript

Added environment configuration, PostCSS, and ESLint