Slack: Imminent Sunset/Deprecation Notice (March 31, 2025)

We want to let you know about some upcoming changes to support for legacy custom bots and classic apps on the Slack platform. Beginning March 31, 2025, we will discontinue support for legacy custom bots. For your integrations to continue working, you must create brand new Slack apps. In September 2025 March 2026, November 2026 we will discontinue support for classic apps. For your apps to continue working, you will need to migrate them to Slack apps. Any custom bots or classic apps you have built will no longer work after these dates. Refer to this changelog article for more details.