# [2021-06-03] Nylas Node.js SDK v5.4.0

Source: https://developer.nylas.com/docs/new/v2-changelogs/2021-06-03-node-sdk-v5-4-0/

- A new metadata field was added to the Event model.
- You can query by `metadata_key`, `metadata_value`, and `metadata_pair`.
- We updated Lodash, y18n, and Pug to the latest stable version.