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npm / monaco-editor

monaco-editor

What changed in monaco-editor 0.55 to 0.56, from its official release notes, upgrade guides and advisories. Sources checked 2026-10-17.

1 breaking4 new APIs and options2 behavior and defaults1 tooling5 fixes and other

See which of these apply to your code, ranked, in your agent:

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@unstale/cli 0.1.1 on npm

monaco-editor 0.567 changes

Breaking changes 1

  • Markdown from language server protocol servers is no longer treated as trusted.

    0.56.0release notes

New APIs and options 1

  • The ?esm query parameter was added to URL references.

    0.56.0release notes

Behavior and default changes 2

  • Auto reload is disabled by default.

    0.56.0release notes

  • Exported modules were reorganized, which may affect how developers import them.

    0.56.0release notes

Fixes and other changes 3

  • The ESM and AMD entry points were fixed.

    0.56.0release notes

  • A hidden find widget is no longer tabbable.

    0.56.0release notes

  • Color contrast issues in HTML syntax highlighting were fixed.

    0.56.0release notes

monaco-editor 0.556 changes

New APIs and options 3

  • An editor.api.d.ts file was added, providing a declaration file developers can use when working with the editor API.

    0.55.0release notes

  • The playground now supports esmUrl, allowing it to use an ESM URL.

    0.55.0release notes

  • The release includes a first iteration of a Monaco Editor language server protocol client.

    0.55.0release notes

Tooling 1

  • Rollup is used for the ESM build and declaration-file bundling.

    0.55.0release notes

Fixes and other changes 2

  • Fixes missing language exports.

    0.55.1release notes

  • Kotlin number literals were fixed, improving their handling in the editor.

    0.55.0release notes