Breadcrumbs

Backbone Work Sync 5.21.4

December 2025

Backbone Work Sync 5.21.4 is now available. This release includes a bug fix for syncing from data center to cloud, where the cloud instance is making use of a reverse proxy. It also fixes an issue where replies to synced comments (comment thread) on cloud did not sync back to the original project. These replies will now sync correctly in both directions.

You were only affected by this bug if you sync to cloud, and on cloud make use of threaded comments and replied to a synced comment (a comment made by the sync user). This is also only applicable if you have been using version 5.21.2 and 5.21.3.

Example Threaded Comment
  1. Sync project A to project B with comments

  2. Create a comment on project A → Syncs to project B

  3. On project B, reply to the synced commend of A (added by Backbone)

Before this release, the comment in step 3 wasn’t synced - with this fix, these comments will also be synced

Important note threaded comments fix

Replies created between version 5.21.2 and 5.21.4 are not synced automatically. To ensure all threaded discussions stay complete, please resync those comments. To speed up the resync, please follow these steps in the resync dialog:

  • Only select comments to be resynced

  • Use this JQL: updatedDate >= "installation 5.21.2/5.21.3 version" and updatedDate <= "installation 5.21.4"

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

T

Key

Summary

Status

Resolution

Data cannot be retrieved due to an unexpected error.

View these issues in Jira