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Backbone Work Sync 5.21.1

October 2025

Backbone Work Sync 5.21.1 is now available. This release includes the better handling of default field values so they’re now used when a mapped field is empty and several bug fixes. This release also contains a fix for the security vulnerability notified in Backbone Work Sync’s Security Advisory 2025-10-16 and is a recommended upgrade.

If you make use of a remote license, please don’t update to this version as it will remove your remote license but update to the next version: 5.21.2 , If you already updated to this version, please make sure to now update to 5.21.2.

Questions?

Do you have questions, or is something not working as expected? Please let us know by creating a ticket in our  help center  or emailing  help@k15t.com .

All updates and fixes in this release

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Key

Summary

Status

Resolution

Data cannot be retrieved due to an unexpected error.

View these issues in Jira