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MimikaStudio v2026.03.9

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@BoltzmannEntropy BoltzmannEntropy released this 21 Mar 01:49
· 7 commits to main since this release
v2026.03.9
7af1ee9

MimikaStudio v2026.03.9 Release Notes

Release Date: March 21, 2026
Platform: macOS (Apple Silicon)

What's Fixed In v2026.03.9

  • Fixed long-form audiobook generation failures for very large EPUB and document inputs that exceeded spaCy's default 1,000,000-character limit during sentence splitting.
  • Added a safe fallback so oversized audiobook texts use regex sentence splitting instead of aborting before chunking begins.
  • Replaced the transient audiobook start-failure snackbar with a readable dialog so users can inspect the full backend error message.

User Impact

  • Large books that previously failed with errors like Text Length 1015801 exceeds 1000000 can now proceed into audiobook chunking and queueing.
  • Users now get a persistent error dialog when audiobook startup fails, instead of a brief bottom toast that disappears before the message can be read.
  • EPUB chapter extraction remains in place; the failure was in full-document sentence splitting after extraction, not in the chapter parser itself.

Technical Notes

  • Updated backend/tts/text_chunking.py to detect texts beyond spaCy's max_length and fall back to the regex sentence splitter.
  • Added a second fallback path for spaCy E088 errors so oversized texts continue through audiobook chunking without raising.
  • Added backend regression tests covering both oversized-input fallback and explicit E088 fallback behavior.
  • Updated the Flutter audiobook screen to present startup errors in a modal dialog with selectable text.

Previous Release: v2026.03.8

  • Restored Hebrew Dicta support for the MLX Chatterbox runtime.

Distribution Notes

Unsigned DMG (Apple Gatekeeper)

As of March 21, 2026, the MimikaStudio DMG is not yet signed/notarized by Apple.
macOS may block first launch until you explicitly allow it in security settings.

  1. Open the DMG and drag MimikaStudio.app to Applications.
  2. In Applications, right-click MimikaStudio.app and select Open.
  3. Click Open in the warning dialog.
  4. If macOS still blocks launch, go to: System Settings -> Privacy & Security -> Open Anyway (for MimikaStudio), then confirm with password/Touch ID.
  5. On first launch, wait for the bundled backend to start.
  6. On first use, click Download for required models in-app.
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