# [2025-07-18] Nylas Ruby SDK v6.6.0

Source: https://developer.nylas.com/docs/new/v3-changelogs/2025-07-18-ruby-sdk-v6-6-0/

The Nylas Ruby SDK v6.6.0 has been released!

- GitHub: [Nylas Ruby SDK](https://github.com/nylas/nylas-ruby/releases/tag/v6.6.0)
- Distribution: [RubyGems gem description](https://rubygems.org/gems/nylas/versions/6.6.0)

## Added

- Added support for `include_hidden_folders` query parameter in the [Get all Folders endpoint](/docs/reference/api/folders/get-folder/) ([#529](https://github.com/nylas/nylas-ruby/pull/529)).
- Added support for `single_level` query parameter in the [Get all Folders endpoint](/docs/reference/api/folders/get-folder/) ([#527](https://github.com/nylas/nylas-ruby/pull/527)).
- Added support for string-content attachments ([#530](https://github.com/nylas/nylas-ruby/pull/530)).

## Updated

- Fixed HTTParty encoding issues ([#530](https://github.com/nylas/nylas-ruby/pull/530)).
- Fixed missing `cgi` import for webhooks ([#531](https://github.com/nylas/nylas-ruby/pull/531)).