Slack

Slack platform and developer changelog updates

Slack API Changelog Monitoring

Slack apps depend on message APIs, events, scopes, workflows, and platform rules that can evolve without much room for delay. This Slack API Changelog Monitoring page is designed to help you scan those updates quickly and keep internal bots, notifications, and app features aligned with current platform behavior.

Strong Slack API Changelog Monitoring helps teams catch app permission changes, event updates, and platform announcements before they interrupt internal automation. It also supports better release reviews by giving product and engineering a shared view of what changed and why it matters.

The benefit of Slack API Changelog Monitoring is simple: your team gets a repeatable way to watch changes, evaluate risk, and act before small upstream updates turn into customer-facing bugs. Slack platform and developer changelog updates

Slack API down?

Slack API down? Soon we will add direct API status monitoring alongside Slack API Changelog Monitoring. For now, go to the official API status page on the Slack website. In the future, we plan to detect when Slack APIs may be down even before the public status page is updated.

Recent changes

Showing the last 10 changes from this feed.

04-16-2026

New Block Kit blocks and Streaming API method updates

The following new blocks are now available when using Block Kit:

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04-10-2026

Release: Slack CLI v4.0.0 and v4.0.1

Version 4.0.0 of the developer tools for the Slack platform has arrived with lots of goodies for you!

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03-30-2026

PKCE is now generally available!

We are excited to announce support for Proof Key for Code Exchange (PKCE). PKCE is an OAuth security extension that enables developers to build more secure Slack applications on public clients, such as desktop apps and mobile apps, without the need to embed a vulnerable client_secret.

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03-19-2026

Release: Slack CLI v3.15.0

Version 3.15.0 of the developer tools for the Slack platform has arrived!

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03-16-2026

Optional scopes have landed

You can now mark individual OAuth scopes as optional when configuring your Slack app! Optional scopes give users more control over what data your app can access during installation, without blocking them from installing your app entirely.

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03-06-2026

New supported markdown types for rich text in Block Kit

The following new supported markdown types for rich text when using Block Kit in your apps are being rolled out:

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03-05-2026

Set status method scope update

The assistant.threads.setStatus API method now accepts either the assistantwrite scope. This allows channel-based apps to use AI loading states in channels, without having to request assistantwrite scope in favor of the chat:write scope exclusively, so update your app soon!

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03-05-2026

Release: Slack CLI v3.14.0

Version 3.14.0 of the developer tools for the Slack platform has landed!

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02-19-2026

Release: Slack CLI v3.13.0

Version 3.13.0 of the developer tools for the Slack platform has arrived!

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02-17-2026

Announcing the Slack MCP server and Real-time Search API

We're excited to announce the release of not one, but two, major components designed to significantly enhance how Large Language Models (LLMs) and AI agents interact with your workspace data: the Slack Model Context Protocol (MCP) server and the Real-time Search (RTS) API!

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