Slack for iOS closing unexpectedly when opening channels

What to do

• Check whether you use Slack Connectivity. Check your stack

  Paste a package.json, lockfile, Terraform or a list of domains at down.guide/stack to see every provider you depend on.

• Confirm your retries, queues and scheduled jobs caught up after the 3d 1h it lasted.

  Anything that failed between 2026-10-09 15:35 UTC and 2026-10-12 17:03 UTC may need a replay.

• Subscribe to Slack's feed to hear about the next one first. RSS feed

  https://down.guide/feed?provider=slack works in Slack (/feed subscribe), Discord feed bots and any RSS reader.

Updates from Slack 4

1. updateOct 9, 2026, 3:35 PM UTC

   Users may experience iOS closing unexpectedly when opening channels. We're actively looking in to this, and we'll share another update as soon as we have more information. We appreciate your patience in the meantime.

   provider

2. updateOct 9, 2026, 4:20 PM UTC

   We've developed a fix for the iOS app issue and are working to validate it before releasing it to customers. We'll share another update as soon as we have more information.

   provider

3. updateOct 9, 2026, 11:58 PM UTC

   An updated version of the Slack iOS app that fixes the crash was approved and began rolling out gradually. Customers who download the updated version from the app store can now open channels without the app closing unexpectedly. We'll provide an update once additional information becomes available.

   provider

4. updateOct 12, 2026, 5:03 PM UTC

   We've rolled out an updated version of the Slack iOS app to all impacted customers. Channels now open without the app closing unexpectedly. Users who are still experiencing this issue should update the Slack IOS app from the app store Store to resolve it. We apologize for the inconvenience and thank you for your patience.

   provider

Corrections

None so far.

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