Monday June 3, 2024

Incident summary: On June 3, 2024 from 5:40 PM PDT to 8:00 PM PDT, some users may not have received notifications when using Slack on desktop. During a routine update, we deployed a change that mistakenly introduced an error into our notifications code. We identified the cause of the error and implemented a fix, which we rolled out to all desktop users. This fully resolved the issue for all impacted customers.

11:42 PM PST

We have confirmed the fix and can see that the revert is rolling out smoothly. Please reload Slack with Cmd/Ctrl + Shift + R to pick up the change straight away. Thank you for bearing with us while we addressed this, we appreciate your patience.

8:57 PM PST

We believe we've identified the code change that introduced this issue. We have reverted to a previous build to resolve this, and the revert is rolling out to everyone now. To fetch the change immediately, please reload Slack with Cmd/Ctrl + Shift + R. We'll be back with another update once the revert has reached everyone, or if we have more news to share.

8:11 PM PST

We have determined that this is affecting the desktop app more generally and is not limited to the Mac app. We've updated the status site accordingly, and will provide another update in 30 minutes.

7:37 PM PST

Some customers using the Slack app on macOS may not be receiving desktop notifications. We apologize for the disruption. We're working on this, and we'll be back with an update in 30 minutes.

7:25 PM PST