Public Radar/Slack/Slack: Imminent Sunset/Deprecation Notice (November 12, 2025)
URGENT BREAKINGSlack

Slack: Imminent Sunset/Deprecation Notice (November 12, 2025)

We want to update you about our previous announcement regarding support for the files.upload API method. After much consideration and feedback, we have decided to push back the deprecation date to November 12, 2025.
What to test in your app:
Locate usages of New feature: An update about an API or feature and complete migration prior to November 12, 2025.
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Released: 2025-03-17 07:00 UTC
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