# Enhanced email management capabilities & Improved mail label organization

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## Added

-   New Threads APIs:
    -   `GET /v2/emails/mailboxes/{email}/threads/{threadId}`
    -   `GET /v2/emails/mailboxes/{email}/threads`
    -   `POST /v2/emails/mailboxes/{email}/threads/{threadId}/modify`
    -   `POST /v2/emails/mailboxes/{email}/threads/{threadId}/untrash`
    -   `POST /v2/emails/mailboxes/{email}/threads/{threadId}/trash`
    -   `DELETE /v2/emails/mailboxes/{email}/threads/{threadId}`
-   New `Messages.Attachments API`:
    -   `GET /v2/emails/mailboxes/{email}/messages/{messageId}/attachments/{attachmentId}`
-   New Messages APIs:
    -   `POST /v2/emails/mailboxes/{email}/messages/send`
    -   `DELETE /v2/emails/mailboxes/{email}/messages/{messageId}`
    -   `POST /v2/emails/mailboxes/{email}/messages/{messageId}/untrash`
    -   `POST /v2/emails/mailboxes/{email}/messages/{messageId}/trash`
    -   `GET /v2/emails/mailboxes/{email}/messages`
    -   `POST /v2/emails/mailboxes/{email}/messages`
    -   `POST /v2/emails/mailboxes/{email}/messages/batchDelete`
    -   `GET /v2/emails/mailboxes/{email}/messages/{messageId}`
    -   `POST /v2/emails/mailboxes/{email}/messages/batchModify`
    -   `POST /v2/emails/mailboxes/{email}/messages/{messageId}/modify`
-   New Mailbox API:
    -   `GET /v2/emails/mailboxes/{email}/profile`
-   New Settings.Filters APIs:
    -   `DELETE /v2/emails/mailboxes/{email}/settings/filters/{filterId}`
    -   `GET /v2/emails/mailboxes/{email}/settings/filters`
    -   `POST /v2/emails/mailboxes/{email}/settings/filters`
    -   `GET /v2/emails/mailboxes/{email}/settings/filters/{filterId}`
-   New Settings.Delegates APIs:
    -   `POST /v2/emails/mailboxes/{email}/settings/delegates`
    -   `GET /v2/emails/mailboxes/{email}/settings/delegates`
    -   `DELETE /v2/emails/mailboxes/{email}/settings/delegates/{delegateEmail}`
    -   `GET /v2/emails/mailboxes/{email}/settings/delegates/{delegateEmail}`
-   New Labels APIs:
    -   `PATCH /v2/emails/mailboxes/{email}/labels/{labelId}`
    -   `GET /v2/emails/mailboxes/{email}/labels/{labelId}`
    -   `GET /v2/emails/mailboxes/{email}/labels`
    -   `PUT /v2/emails/mailboxes/{email}/labels/{labelId}`
    -   `POST /v2/emails/mailboxes/{email}/labels`
    -   `DELETE /v2/emails/mailboxes/{email}/labels/{labelId}`
-   New History API:
    -   `GET /v2/emails/mailboxes/{email}/history`
-   New Settings APIs:
    -   `GET /v2/emails/mailboxes/{email}/settings/vacation`
    -   `PUT /v2/emails/mailboxes/{email}/settings/vacation`
-   New Drafts APIs:
    -   `DELETE /v2/emails/mailboxes/{email}/drafts/{draftId}`
    -   `POST /v2/emails/mailboxes/{email}/drafts/send`
    -   `PUT /v2/emails/mailboxes/{email}/drafts/{draftId}`
    -   `GET /v2/emails/mailboxes/{email}/drafts/{draftId}`
    -   `POST /v2/emails/mailboxes/{email}/drafts`
    -   `GET /v2/emails/mailboxes/{email}/drafts`

## Enhancements

-   New parentId request field in the following Labels API:
    -   `PUT /v2/emails/mailboxes/{email}/labels/{labelId}`