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WhisperDictation v1.0.6 — Streaming, Speed & Accuracy

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@sam-pop sam-pop released this 12 Apr 02:07
v1.0.6
e73fed9

WhisperDictation v1.0.6

Major update focused on speed, accuracy, and developer experience.

Streaming Output

Text now appears at your cursor as Whisper decodes each segment — no more waiting for the full transcription to finish. Grammar correction is applied per-segment in real time.

Speed Improvements

  • GPU pre-warming — dummy inference at model load eliminates first-use lag
  • Adaptive decoding — greedy for short clips (<2s), beam search for longer recordings
  • VAD (Voice Activity Detection) — Silero model trims silence before inference

Accuracy Improvements

  • Fixed hallucination carry-over — each transcription is now independent (no_context=true)
  • Fixed vocabulary prompt overflow — previous 1200-token prompt exceeded Whisper's 1024 limit, degrading accuracy
  • 500-word developer vocabulary — covers frontend (React hooks, SSR, accessibility, design systems), backend (middleware, caching, message brokers, circuit breakers), DevOps (canary deploys, SLAs, feature flags), databases, APIs, AI/ML, algorithms, and more

Bug Fixes

  • Fixed audio capture producing 0 samples (converter state + engine lifecycle)
  • Grammar/number correction now applied in streaming callback
  • Per-engine mic selection (no longer changes system-wide default)
  • TextInjector on dedicated serial queue (was starving cooperative thread pool)
  • NSSound dispatched to main thread (was crashing on background)
  • State machine guaranteed to return to idle on all code paths
  • Comprehensive test suite (50+ tests)

Developer Tools

  • /release skill — build DMG, tag, and publish in one command
  • /review skill — launch parallel code review agents
  • regression-tester agent — verifies changes against CLAUDE.md gotchas

Install

  1. Download WhisperDictation.dmg below
  2. Open DMG, drag WhisperDictation to Applications
  3. If macOS blocks it, run: xattr -cr /Applications/WhisperDictation.app
  4. Open WhisperDictation
  5. Grant Microphone and Accessibility permissions
  6. Settings > Model > download Small Q5 (recommended, 181 MB)

Requires macOS 14 (Sonoma) or later.

Full Changelog: v1.0.5...v1.0.6

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