- Localize the app into 10 languages. - Fix preview flicking in dark mode.

- Support more UTIs. - Update typography. - Support mark syntax (==). - Fix some UI issues.

- Redesign main app. - Support for latest macOS.

- Render math in Markdown with KaTex. - Support TextBundle files. - Support more file extensions.

- Support switching between preview and original Markdown content in the extension. - Add setting to adjust the default format (preview or source).

- Support more UTI. - Show sidebar icons.

- Fix some minor issues.