Changelog

Interactive ear training exercises: interval, chord, and scale recognition with autoplay, progressive hints, and real-time validation.

Complete SEO overhaul: per-locale keywords, hreflang tags, canonical URLs, locale-specific sitemaps, and en-only legal pages with proper redirects.

Octave correction, eager sample loading, reliable AudioContext resume, and Piano/Guitar synchronization with Scale Circle on challenges page.

i18n-aware metadata editing with per-locale keywords (JSONB), preview links to main site, and data loss prevention on save.

Interactive skill tree map, XP progress tracking, streak system, and personalized learning paths for music theory mastery.

Global leaderboard with rankings, public profile pages with achievements, and social sharing of your musical progress.

Interactive music challenges with shareable results, ear training exercises, and scale recognition quizzes.

Unlockable achievements with rarity tiers — from common to legendary — tracking your musical journey milestones.

17 professionally designed email templates with visual editor, import/export, and multi-language support across 6 locales.

Full CRUD for templates, skill tree editor, achievements manager, and virtual economy configuration.

Lock mechanism for email templates preventing accidental edits or deletion of production-ready designs.

Interactive SVG chord chart with zoom controls, chord popups, and major/minor duality indicator.

Advanced preset editors for all instruments — guitar, bass, ukulele, piano — with geometry, color, and typography customization.

Controls, SVG matrix, and popups scale proportionally for a consistent experience across screen sizes.

Fixed viewport-relative positioning and bounding rect calculations for accurate chord popup placement.

12-sector interactive circle with star polygon, note labels, interval arcs, and function zones for comprehensive scale visualization.

Crystal Day, Augmented Night, Ocean Sunset, Sage & Stone, Coastal Heritage, and Dark Crimson — each with unique music token palettes.

Real-time chord recognition, scale detection, tension meter, and AI-powered explanations within the Scale Circle.

Full RTL support for Arabic with logical properties. Every UI string available in English, Russian, German, Spanish, French, and Arabic.

Drag-and-drop canvas for combining multiple music widgets into custom layouts with snap-to-grid and real-time collaboration.

Personal workspaces with space settings, custom navigation, and organized collections of assemblies.

Version history for assemblies — save, restore, and compare different states of your widget configurations.

Write and arrange music with our visual editor — chord progressions, melody lines, and harmonic analysis in one place.

Interactive theory lessons covering intervals, scales, modes, chord construction, and harmonic function.

Ask questions about music theory and get intelligent, context-aware answers powered by AI.

Visual metronome with tempo knob, subdivision grid, polyrhythm rings, and accent pattern editor.

Real-time pitch detection tuner with visual feedback for guitar, bass, ukulele, and voice.

Comprehensive reference library with interactive visualizations for hundreds of scales and chord voicings.

TerryTrilla goes live — authentication, subscription management, responsive layout, and the foundation for music education tools.

Comprehensive theming with CSS custom properties, dark mode support, and music-specific color tokens.

Subscription billing with free and pro tiers, trial periods, and a fully localized pricing page.