2025
- January 16 - Release: Slack CLI v2.32.1
- January 30 - The Data Access API is here!
- February 3 - A new Block Kit block is now available for use!
- February 13 - Release: Slack CLI v2.33
- February 27 - Removing the Slack CLI deno command
- February 27 - Release: Slack CLI v3.0.0
- March 10 - Slack platform API and tools docs are now in beta
- March 17 - files.upload API method deprecation timeline adjustment
- March 19 - Release: Slack CLI v3.0.1
- March 27 - Release: Slack CLI v3.0.2
- March 27 - Retiring of api.slack.com
- April 10 - Release: Slack CLI v3.0.4
- April 10 - The Slack CLI is now open source!
- April 11 - Classic apps deprecation timeline adjustment
- April 24 - Release: Slack CLI v3.0.5
- May 8 - Release: Slack CLI v3.1.0
- May 22 - Release: Slack CLI v3.2.0
- May 29 - API Terms of Service updates
- May 29 - Rate limit changes for non-Marketplace apps
- June 3 - Clarifying rate limit changes for non-Marketplace apps
- June 5 - Release: Slack CLI v3.3.0
- June 5 - Retiring of api.slack.com timeline adjustment
- June 19 - Release: Slack CLI v3.4.0
- July 3 - Release: Slack CLI v3.5.0
- July 8 - Installation requirement for Slack Marketplace apps
- July 17 - Release: Slack CLI v3.5.1
- July 21 - Release: Slack Web API featured workflows
- July 29 - Classic apps deprecation timeline adjustment
- July 31 - Release: Slack CLI v3.5.2
- August 14 - Release: Slack CLI v3.6.0
- August 14 - Introducing the Block Kit table block!
2024
- January 11 - Release: Slack CLI v2.16.0
- January 16 - Securely render your internal images in modals and messages.
- January 17 - File upload functionality is now available in Block Kit!
- January 25 - Release: Slack CLI v2.17.0
- February 7 - Release: Slack CLI v2.17.1
- February 22 - Release: Slack CLI v2.18.0
- March 1 - Release: version 2.7.0 of the Deno Slack SDK
- March 11 - Release: Slack CLI v2.19.0
- March 21 - Release: Slack CLI v2.20.1 & v2.20.1
- April 1 - Release: Deno Slack SDK v2.9.0
- April 2 - Discontinuing new creation of classic apps and legacy custom integration bots
- April 4 - Release: Slack CLI v2.21.0
- April 9 - The files.upload method is retiring, to be replaced by sequenced Web API methods
- April 16 - Release: Deno Slack SDK v2.10.0 & Deno Slack API v2.4.0
- April 18 - Release: Slack CLI v2.22.0
- April 25 - Coded event trigger improvements are now live!
- April 30 - Minor developer policy update
- May 2 - Release: Slack CLI v2.23.0
- May 2 - The September 2024 retirement of Steps from Apps for our legacy Workflow Builder approaches quickly.
- May 10 - Release: Deno Slack SDK v2.11.0
- May 16 - Release: Slack CLI v2.24.0
- May 16 - The files.upload method is now deprecated
- May 30 - Release: version 2.25.0 of the Slack CLI
- June 10 - Release: Deno Slack SDK v2.12.0
- June 13 - Release: Slack CLI v2.26.0
- June 14 - Release: Deno Slack API v2.5.0
- June 18 - Release: Deno Slack API v2.6.0
- July 2 - Release: Deno Slack API v2.7.0
- July 3 - Release: Deno Slack SDK v2.13.0 & v2.14.0
- July 11 - Release: Slack CLI v2.27.1
- July 25 - Release: Slack CLI v2.28.0
- August 2 - Release: Deno Slack API v2.8.0
- August 8 - Release: Slack CLI v2.29.1
- August 14 - Custom workflow steps for all Slack apps are available today!
- September 5 - Release: Slack CLI v2.29.2
- September 16 - Agents & AI Apps feature is here!
- September 30 - Discontinuing support for legacy custom bots and classic apps
- October 17 - Release: Slack CLI v2.30.0
- October 31 - Release: Slack CLI v2.30.1
- November 7 - Legacy bots and classic apps deprecation timeline adjustment
- November 14 - Release: Slack CLI v2.31.0
- December 5 - Slack platform API and tools docs are moving
- December 10 - Slack App Developer Policy updates
- December 12 - Release: Slack CLI v2.32.0
2023
- February 1 - Beta release: Slack CLI v1.18.0
- February 9 - Beta release: Slack CLI v1.19.0
- February 23 - Beta release: Slack CLI v1.20.0
- March 23 - Beta release: Slack CLI v1.21.0
- April 20 - Beta release: Slack CLI v2.1.0
- April 24 - Introducing the Slack automations platform
- May 2 - Message attachment field changes
- May 4 - Release: Slack CLI v2.2.0
- May 16 - The team.accessLogs method now supports cursor-based pagination.
- June 1 - Release: Slack CLI v2.3.0
- June 15 - Release: Slack CLI v2.4.0
- June 28 - Slack CLI v1.17.0 and below is now deprecated
- June 29 - Release: Slack CLI v2.5.0
- July 10 - Release: Slack CLI v2.5.1
- July 27 - Release: Slack CLI v2.6.0
- July 31 - It's later already for stars and reminders
- August 1 - Slack Marketplace submissions must now have a minimum of 10 active workspace installations to be reviewed.
- August 10 - Release: Slack CLI v2.7.0
- August 22 - Workflow Steps from Apps step back
- August 24 - Release: Slack CLI v2.8.0
- September 5 - New Admin API methods are now available!
- September 8 - Release: Slack CLI v2.9.0
- September 19 - Slack CLI v2.8.0 and below is now deprecated
- September 21 - Release: Slack CLI v2.9.1
- September 29 - Rich text formatting for Block Kit surfaces
- October 5 - Release: Slack CLI v2.10.0
- October 26 - Release: Slack CLI v2.11.0
- November 2 - Release: Slack CLI v2.12.0
- November 6 - SCIM API token restriction by IP address
- November 16 - Release: Slack CLI v2.13.0
- November 30 - Release: Slack CLI v2.14.0
- December 14 - Release: Slack CLI v2.15.0
2021
- January 30 - Goodbye, workspace apps
- February 24 - How we broke your Slack app
- August 30 - Changes to admin apps
- August 30 - Changes to admin app requests
- August 30 - Changes to unfurls
- October 5 - rtm.start to stop
- October 30 - Rolling out a new beta app settings experience
- October 30 - Changes to admin apps requests
- December 31 - 2021 shortform changelog entries
2020
- January 7 - Deprecating antecedents to the conversations API
- February 1 - Legacy test token creation to retire
- September 1 - Minor developer policy update
- September 1 - A full state on view submission and block actions
- September 15 - Events API truncate authed users
- November 1 - No more tokens in querystrings for newly created apps
- November 1 - App unfurls everywhere
- December 31 - 2020 shortform changelog entries
2019
2018
- January 11 - The right chat:write for workspace token apps
- January 11 - Don't let websocket URIs with query strings get you down
- January 30 - Presence present and future
- March 1 - Great rate limits
- April 1 - Truncating really long messages
- April 1 - Scoping file rights for writes in workspace token apps
- April 1 - OAuth flow changes for workspace token preview apps
- May 1 - File threads soon tread
- May 1 - App home events for workspace apps
- June 1 - Conversations APIs and scopes for workspace apps
- August 1 - Workspace token rotation
- August 1 - Developer policy updates
- September 1 - More reasons to be a conversations API convert
- December 1 - A bric a brac of broadcasts built with blocks
- December 31 - 2018 shortform changelog entries
2017
- February 1 - Minor field changes
- April 1 - Start using RTM connect and stop using RTM start
- April 1 - Narrowing email access
- May 1 - Rethinking channel entrance and exit events and messages
- June 1 - Batch presence and presence subscriptions
- September 1 - The one about usernames
- September 1 - Locale locale locale
- October 1 - The members array is being truncated
- October 1 - Making RTM presence subscription only
- October 1 - Keeping up with the JSONs
- December 31 - 2017 shortform changelog entries
2016
- April 14 - Reminders API methods
- April 26 - RTM API file events payload change
- May 17 - Changes to errors for incoming webhooks
- May 19 - Authorship changing for older tokens
- May 31 - More event timestamps in the RTM API
- August 11 - User ID format changes
- August 23 - Token lengthening
- September 28 - Response metadata is on the way
- November 10 - Addressing email addresses
- December 31 - 2016 shortform changelog entries