Slack — Collaboration, Productivity product updates and releases, tracked on megachangelog.
Added authorship arguments (iconemoji, iconurl, and username) to the assistant.threads.setStatus and chat.startStream API methods, enabling better control over message attribution in threads and streaming operations.
Slack CLI version 4.2.0 is now available for download.
The data table block is now available for use with Block Kit, enabling developers to display tabular data in their Slack applications.
Slack CLI version 4.1.0 is now available with enhancements to the command-line interface for building and managing Slack applications.
New tools have been added to the Slack MCP server, expanding integration capabilities for developers and automation workflows.
New blocks are now available in Block Kit, and the Streaming API has been updated with new methods to enhance app development capabilities.
Slack CLI version 4.0.0 introduces major enhancements and improvements to the developer tools for the Slack platform, with v4.0.1 following as a patch release.
Slack now supports Proof Key for Code Exchange (PKCE), an OAuth security extension that allows developers to build more secure applications on public clients like desktop and mobile apps without embedding a vulnerable client_secret.
Version 3.15.0 of the Slack CLI developer tools is now available with platform improvements and updates for developers building on Slack.
Apps can now mark individual OAuth scopes as optional during configuration, giving users more control over data access permissions without blocking installation.
Slack is adding support for additional markdown types when using rich text in Block Kit, enabling more flexible text formatting options in apps.
The assistant.threads.setStatus API method now accepts either the assistantwrite or chat:write scope, allowing channel-based apps to use AI loading states without requiring exclusive assistantwrite scope permissions.
Version 3.14.0 of Slack CLI is now available, bringing updates to the developer tools for the Slack platform.
Slack CLI v3.13.0 is now available with new developer tools for the Slack platform.
Slack has released two major components to enhance LLM and AI agent integration: a Model Context Protocol (MCP) server and a Real-time Search (RTS) API, enabling better workspace data access for artificial intelligence applications.
Slack introduced three new Block Kit components that enable apps and agents to display their thinking steps and actions directly to users.
A new Delayed Events feature allows you to replay events that your app may have missed during outages, ensuring you don't lose important updates.
Version 3.12.0 of the Slack CLI developer tools has been released, providing developers with updated tooling for building on the Slack platform.
Version 3.11.0 of Slack's developer tools for building on the Slack platform is now available.
Slack has paused the previously announced deprecation of classic apps, based on customer and developer feedback.