Tuesday February 14, 2023

Issue summary:

On Tuesday February 14th, 2023 from 1:19 AM PST to 3:50 AM PST some customers reported an issue where the API method files.upload created a new message instead of uploading files in a thread.

Our team identified that the cause of the issue was linked to a recent update. This change was rolled back which fixed the issue.

Note: This summary has been edited since its initial posting to better align with Slack's communication guidelines.

4:25 AM PST

This issue has now been resolved. The API method files.upload is now uploading files to thread as expected. We're very sorry for any inconvenience caused.

3:57 AM PST

files.upload creates a new message instead of uploading files in a thread.

3:31 AM PST