GitHub, Document Preview and Format now come with the editor.

A permanent URL for this exact release.

Published 31 October 2026. The notes, known limits, build number, source commit, and the file itself stay attached to version 1.21.0.

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Linelark Notepad Studio

What shipped in 1.21.0.

Three plugins are built in

  • GitHub (a git client in the side panel), Document Preview (Markdown, HTML, Mermaid, PlantUML and draw.io drawn in place of their source) and Format (JSON, XML, HTML, CSS, Swift, Java, JavaScript and TypeScript) used to be installed from the catalog. They now ship inside the app and load on their own, with nothing to download first.
  • They are still ordinary plugins — the same manifest, script and host API as any you install — so they can be switched off in Plugins ▸ Manage Plugins…, where they carry a Built in badge. They cannot be uninstalled or replaced.
  • The welcome page no longer suggests GitHub or Document Preview, since they are already there.

What does not change

  • Being built in grants nothing. GitHub still asks before it may use the network or change a repository, and Manage Plugins is still where you answer.
  • If you already installed one of these, your copy is set aside rather than deleted, and the built-in takes over. Its GitHub sign-in token and the permissions you gave carry across, so there is nothing to enter again. The old folder can be deleted in Finder whenever you like.
  • The App Store edition carries Document Preview and Format. GitHub is left out of it, because that edition has no git or network access for plugins.

For plugin authors

  • The three are the largest working plugins there are. They are now readable in the app: choose Show Package Contents on Linelark and open Contents/Resources/BuiltInPlugins. They are no longer published to the plugin catalog or the examples repository; the developer guide says which plugins remain there.

Known limits in 1.21.0

  • GitHub appears with network and git write switched off, as every plugin does until you allow it. Its panel says so under Read-only and points to Manage Plugins, but there is no button that opens the right place.
  • A copy you installed earlier is not listed in Manage Plugins once the built-in has taken over; only Reveal Folder shows it is still on disk.
  • The universal Studio download requires macOS 14 or later. Touch ID and Mac-password vault unlocking use the provisioning profile included in the signed build; password and recovery-key access remain available without it.
Artifact SHA-256612c62069b0f5a8dbe9b5b712a2a96b54d7bdce356f2cba9f90ef2f0b85f8d73

Source commit b6992a489d290694c33c881fd08a731df25d6317