Migrating to Meteor 1.6

How to migrate your application to Meteor 1.6.

Most changes in Meteor 1.6 are related to the underlying Node.js upgrade . We encourage reading full history and comparing the full differences between the versions you are upgrading from and to.

If you find details which are not covered here, please discuss it using the “Discuss” button above. If you find any important details which are not included here, please open a pull-request to this article using the “Edit on GitHub” button above to help other members of the community!

Migrating from a version older than 1.5?

If you’re migrating from a version of Meteor older than Meteor 1.5, there may be important considerations not listed in this guide (which specifically covers 1.5 to 1.6). Please review the older migration guides for details:

Node.js Breaking Changes

The most significant update in Meteor 1.6 is the upgrade of the underlying Node.js version which Meteor relies on. While Meteor itself has made the appropriate changes, any core Node.js module usage within applications is subject to the breaking changes outlined by the Node.js change logs below which, when combined, cover the transition from Node.js 4 to 8:

Node.js Notable Changes

While the Node.js change-logs are quite extensive, it is our experience so far that the most common change are the deprecations of the new Buffer() and Buffer() constructors. See the Node.js Buffer documentation for more information on the correct replacements.

When reviewing the changelog, pay close attention to any items which are marked as “removed”.

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