URGENT BREAKINGSlack
Slack: Imminent Sunset/Deprecation Notice (May 25, 2026)
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 May 25, 2026.
What to test in your app:
Locate usages of New feature: An update about an API or feature and complete migration prior to May 25, 2026.
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- Released: 2025-04-11 07:00 UTC