Slack Classic Slack apps discontinued shutdown date

Name: Slack: Classic Slack apps discontinued (Shutdown)
Start: 2026-11-16
End: 2026-11-16

After much consideration and feedback, we have decided to push back the deprecation date to November 16, 2026 .

29days left

Change: Shutdown
Effective: Nov 16, 2026
Replacement: none named; check the source
Source: docs.slack.dev
Vendor's words: We want to update you about our previous announcement regarding support for classic apps. After much consideration and feedback, we have decided to push back the deprecation date to November 16, 2026 .

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