Slack API

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Developer documentation has moved from api.slack.com to the new domain docs.slack.dev.

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Added a new `runtime_not_found` error code and updated `slack install` to generate Bolt Framework apps using remote manifest settings

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Slack CLI installer no longer bundles Deno; developers must install Deno separately after Sep 1 2025

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Updated classic app deprecation deadline to November 16, 2026.

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Added new workflows.featured.* methods to the Slack Web API for managing featured workflows programmatically

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Version 3.5.1 of the Slack developer tools released.

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Reduced required active installations for Slack Marketplace app submissions from 10 to 5 workspaces.

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Added Bolt for JavaScript and Bolt for Python sample apps to the `slack samples` command prompts with language filtering via `--language`.

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Install script and slack upgrade now auto-detect macOS architecture, installing Intel or Apple Silicon binaries.

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Added native Apple Silicon (ARM64) support; install script now selects the matching arm64 build

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Extended the retirement timeline for the old documentation experience on api.slack.com to the end of August 2025 (was end of June 2025).

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Clarified that existing internal apps keep their current rate limits for `conversations.history` and `conversations.replies`.

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Updated API Terms of Service clarifying commercial distribution rules and data usage restrictions.

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Added human‑readable manifest source output to `slack create`, `slack init` and `slack app link` commands and introduced `slack app settings` to view the link between project code and app settings.

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Added support for local manifest sources in the slack app link command.

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Added open‑source Slack CLI and its documentation

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Deprecation of classic apps has been delayed

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Slack CLI is now open source and hosted on GitHub

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Fix broken URL in hooks.json error message

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Enhanced `slack version` command with more descriptive output and examples for `--help`

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Docs for Slack platform moved to docs.slack.dev (beta) and developer tools docs moved to tools.slack.dev.

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Imported from changelog source; review and generate a concise summary before publishing.

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Deprecation date for the files.upload API method postponed to November 12, 2025.

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Removed the `deno` CLI command; developers should invoke the deno executable directly.

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Rename slack.json to .slack/hooks.json (old file still supported with migration warning).

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Added support for running CLI commands in project sub‑directories.

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Adds a new Markdown block to Block Kit for rendering standard markdown.

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Added warning message when removing an app collaborator via `slack collaborator remove`.

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Introduced Data Access API in limited release for partners.

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Improved bundling for the `slack deploy` command in Deno Slack Hooks 1.3.2, fixing npm import issues.

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Added Deno project detection and test coverage for the Deno runtime.

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Updated Slack App Developer Policy with new guidelines for Slack apps

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Slack API and tools documentation are being moved to a new location.

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Imported from changelog source; review and generate a concise summary before publishing.

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Deprecation of classic Slack apps postponed by six months to March 31 2026.

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Expired tokens are automatically removed from local credentials storage.

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Added behind-the-scenes CLI support for AI Agents & Assistants.

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Legacy custom bots lose support on March 31 2025; you must create new Slack apps to keep integrations running.

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Launch of Agents & Assistants, enabling AI‑powered conversational apps integrated with any LLM.

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Slack CLI now suggests running `slack app list` after `slack login` within a project directory

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Custom workflow steps are now available for all Slack apps.

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Added --source flag to manifest info command (project or remote) for enhanced retrieval.

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Added an `event_timestamp` property to all event trigger data objects in the Deno Slack API 2.8.0.

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Released Slack CLI version 2.28.0 for the automations platform

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Fixed bug that speeds up development host startup.

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Added API methods for Slack Canvas support in the Deno Slack SDK

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Added support for the `team.externalTeams.disconnect` API method

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Added support for Slack Connect API method team.externalTeams.list

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Added Canvas API methods to Deno Slack API 2.5.0

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Format warnings into distinct text sections and group similar warnings by source, reducing duplicate external warnings.

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Added add_bookmark function to the Deno Slack SDK

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Enforced admin restrictions on built‑in steps and webhook triggers in coded workflows to align with connector security settings.

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Renamed the `function distribute` command to `function access` and added `function distribute` as an alias.

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New Slack apps created after May 16 2024 can no longer call the `files.upload` API method.

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Introduces Share Canvas capability in thread messages.

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Retirement of Steps from Apps for the legacy Workflow Builder scheduled for September 2024

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Prompt re-authentication when Slack CLI auth is expired or invalid

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Updated developer policy to clarify guidance on circumventing Slack limitations

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Added ability to set an event trigger’s all_resources flag to true

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Fixed bug where project paths containing spaces were split into multiple arguments during deployment.

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Added support for the all_resources event in Deno Slack SDK 2.10.0 and API 2.4.0.

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Introduced runtime version display in the `slack doctor` command via a new doctor hook.

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Creation of new classic apps and legacy custom integration bot users is disabled as of June 4, 2024.

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`invite_user_to_channel` now makes `user_ids` optional

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Added datastore item counting feature and flag-based datastore queries (e.g., `--datastore tasks`).

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Added Time To Live (TTL) support for datastores, allowing automatic deletion of items.

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Introduce Slack Canvas functions in the Deno SDK (v2.7.0)

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Minimum PowerShell version raised to v6.0; older versions may error (breaking change).

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Added SLACK_APP_TOKEN and SLACK_BOT_TOKEN environment variables when running your app.

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Added improved environment variable handling to the Slack CLI

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Add file_input element to Block Kit for file uploads.

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Added support for securely rendering internal Slack images in modals and messages via image blocks and elements

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CLI now shows the workflow name in error messages

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Workspace picker now sorts by team name and trigger commands now prompt for possible trigger IDs

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Slack CLI now prompts for admin approval when using a connector function that isn’t approved in the workspace

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Introduced --all-org-workspace-grants and new --team flag (deprecating --workspace) for app listing and related commands.

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Added IP address restrictions for SCIM API tokens

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Added beta support for npm dependencies using the `npm:` specifier for local and deployed apps

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Enhanced validation for commands (manifest, deploy, install, triggers create/run) to detect missing connectors and auto‑install certified apps.

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Deploy command now prompts to select an organization workspace

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Added rich text input component for forms and Block Kit, allowing formatted user responses

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Add ordering of functions by callback ID via the new function access command

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Minimum required Slack CLI version raised to v2.9.0 for Enterprise Grid (v1.18.0 for other workspaces).

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Added `--org-workspace-grant` flag to target specific Enterprise Grid workspaces during deployment, with Slackbot notifications for pending approvals.

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Introduce new Admin API methods to manage workflow permissions and approval requests programmatically

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Improved Deno dependency caching for faster builds

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Added `--type` filter to `slack trigger list` and expanded flag support for many interactive prompts.

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New Slack Marketplace submissions now require a minimum of 10 active workspace installations before they can be reviewed.

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Removed .github directory from new sample apps and updated support email to feedback@slack.com.

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Fixed bug where uninstalling an app failed to delete the selected app from the workspace

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Breaking changes introduced to saved items APIs

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Added confirmation prompts, new --hide-triggers flag, pagination limits, collaborator info, ACL prompts, include-app-collaborators flag, and expanded activity command support; also added fallback to curl for deno upgrades and --workspace...

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- Versions v1.17.0 and earlier of the Slack CLI are deprecated as of June 28, 2023.

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Added -v version param and -d skip‑Deno flag to Linux/macOS installer; Windows installer now supports Alias, Version, SkipDeno, and SkipGit flags with a PATH reminder.

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Introduced external-auth commands: 'remove' now supports token selection and mandatory 'select-auth' for each workflow when using coded workflows with credentialSource DEVELOPER.

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Added cursor-based pagination to the team.accessLogs method

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Trigger info now lists users with permission to run a trigger

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Updated Slack message attachment footers and channel_name text for consistency across linked messages

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Slack automations platform is now generally available for developers.

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Introduced improved error messages and added local Git version info to the slack doctor command

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Added new `slack samples` command