Release Notes

Slate Viewer 1.4.0 - current Mac App Store version

Available on the Mac App Store for macOS 26.0 or later.

• Markdown translation between English and Simplified Chinese for full documents and selected text.
• Switch between original and translated reading views without changing the source file.
• Completed full-document translations are stored locally, remain available after restarting, and can be cleared per document or all at once.
• Translation shows processing status and can be cancelled when needed.

Slate Viewer 1.0 - Mac App Store release

Released July 20, 2026. Version 1.0 is available on the Mac App Store and requires macOS 26.0 or later.

• Reader support for Markdown, JSON, JSONL, TXT, CSV, and TSV files.
• Markdown Quick Look preview for `.md` and `.markdown` files.
• Reader themes, raw view, copy workflows, and file refresh handling.
• App Store-safe licensing path with Apple purchase and restore handling.

Known limitations

• PDF, DOCX, and HTML are not first-class reader formats in Slate Viewer 1.0.
• The website does not currently offer a separate purchase, download, or license-key flow.
• Quick Look is intentionally limited to Markdown for the first public release.