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Updates & release changelog
What we have shipped, fixed, and improved since launch.
v2.5.0September 2026
Sound Synthesis Engine Upgrade & Comprehensive Ear Training Guides
- Refactored Web Audio synthesis core with polyphonic filter envelopes, stereo chorus, and dynamic reverb simulation.
- Expanded music catalog across 16 genres with detailed ear-training sonic cues and BPM tempo analysis.
- Added comprehensive 8-decade production histories from 1950s rock & roll tape delays to modern 2020s bedroom pop.
- Implemented 3-tier progressive spoiler-free hints for daily challenges.
- Full keyboard accessibility compliance with WCAG 2.1 AA contrast standards.
v2.3.0June 2026
Decades Time Machine & Monthly Daily Archives
- Launched 8 dedicated Decade Heardle modes spanning the 1950s through the 2020s.
- Built a complete calendar archive allowing players to browse and replay past daily puzzles by year and month.
- Added mobile touch gesture optimizations for seamless Safari and Chrome Web Audio playback.
- Integrated guess distribution charts with streak recovery safeguards.
v2.0.0January 2026
Unlimited Play Mode & Permanent Level Directory
- Introduced Unlimited Random Play mode with instant new track generation.
- Launched 50 progressive difficulty challenge levels ranging from beginner pop anthems to obscure instrumental riffs.
- Built interactive waveform progress bar with visual attempt color segments.
- Added one-click spoiler-free emoji score sharing for messaging apps and social platforms.