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Title: Classic apps deprecation paused | Slack Developer Docs

Open Graph Title: Classic apps deprecation paused | Slack Developer Docs

Description: We want to update you about our previous announcement regarding support for classic apps. Based on feedback from our customers and developer community, we have decided to pause this migration.

Open Graph Description: We want to update you about our previous announcement regarding support for classic apps. Based on feedback from our customers and developer community, we have decided to pause this migration.

Opengraph URL: https://docs.slack.dev/changelog/2025/12/08/classic-apps-deprecation-paused

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Announcing the Slackbot MCP Clienthttps://docs.slack.dev/changelog/2026/06/18/slackbot-mcp-client
System notifications now delivered by "Slack" instead of Slackbothttps://docs.slack.dev/changelog/2026/06/17/system-notifications
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New Slack MCP Server tools releasedhttps://docs.slack.dev/changelog/2026/05/13/new-mcp-tools
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PKCE is now generally available!https://docs.slack.dev/changelog/2026/03/30/pkce
Release: Slack CLI v3.15.0https://docs.slack.dev/changelog/2026/03/19/slack-cli
Optional scopes have landedhttps://docs.slack.dev/changelog/2026/03/16/optional-scopes
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Release: Slack CLI v3.13.0https://docs.slack.dev/changelog/2026/02/19/slack-cli
Announcing the Slack MCP server and Real-time Search APIhttps://docs.slack.dev/changelog/2026/02/17/slack-mcp
Apps can now display thinking steps to users!https://docs.slack.dev/changelog/2026/02/11/task-cards-plan-blocks
Retry delayed events feature now availablehttps://docs.slack.dev/changelog/2026/02/05/retry-events-feature
Release: Slack CLI v3.12.0https://docs.slack.dev/changelog/2026/02/05/slack-cli
Release: Slack CLI v3.11.0https://docs.slack.dev/changelog/2026/01/22/slack-cli
Classic apps deprecation pausedhttps://docs.slack.dev/changelog/2025/12/08/classic-apps-deprecation-paused
Release: Slack CLI v3.10.0https://docs.slack.dev/changelog/2025/12/04/slack-cli
Release: Slack CLI v3.9.2https://docs.slack.dev/changelog/2025/11/20/slack-cli
Release: Slack CLI v3.9.1https://docs.slack.dev/changelog/2025/11/06/slack-cli
Announcing the redesigned OAuth pagehttps://docs.slack.dev/changelog/2025/10/28/oauth-page
Introducing Work Objectshttps://docs.slack.dev/changelog/2025/10/22/work-objects
Release: Slack CLI v3.9.0https://docs.slack.dev/changelog/2025/10/21/slack-cli
Slack API Terms of Service updateshttps://docs.slack.dev/changelog/2025/10/13/api-terms-update
Release: Slack CLI v3.8.1https://docs.slack.dev/changelog/2025/10/09/slack-cli
New features designed for Slack apps sending AI responseshttps://docs.slack.dev/changelog/2025/10/7/chat-streaming
Release: Slack CLI v3.8.0https://docs.slack.dev/changelog/2025/09/25/slack-cli
Release: Slack CLI v3.7.0https://docs.slack.dev/changelog/2025/09/11/slack-cli
Introducing the Lists APIhttps://docs.slack.dev/changelog/2025/09/02/list-api
Release: Slack CLI v3.6.1https://docs.slack.dev/changelog/2025/08/28/slack-cli
Welcome to docs.slack.dev!https://docs.slack.dev/changelog/2025/08/28/welcome-to-docs-slack-dev
Deprecation of the allow_message_deletion fieldhttps://docs.slack.dev/changelog/2025/08/26/field-deprecation
Introducing the Block Kit table block!https://docs.slack.dev/changelog/2025/08/14/block-kit-table-block
Release: Slack CLI v3.6.0https://docs.slack.dev/changelog/2025/08/14/slack-cli
Release: Slack CLI v3.5.2https://docs.slack.dev/changelog/2025/07/31/slack-cli
Classic apps deprecation timeline adjustmenthttps://docs.slack.dev/changelog/2025/07/29/classic-apps-extension
Introducing Slack Web API featured workflowshttps://docs.slack.dev/changelog/2025/07/21/featured-workflow-api
Release: Slack CLI v3.5.1https://docs.slack.dev/changelog/2025/07/17/slack-cli
Installation requirement for Slack Marketplace appshttps://docs.slack.dev/changelog/2025/07/08/slack-marketplace
Release: Slack CLI v3.5.0https://docs.slack.dev/changelog/2025/07/03/slack-cli
Release: Slack CLI v3.4.0https://docs.slack.dev/changelog/2025/06/19/slack-cli
Retiring of api.slack.com timeline adjustmenthttps://docs.slack.dev/changelog/2025/06/05/api-site-sunsetting-update
Release: Slack CLI v3.3.0https://docs.slack.dev/changelog/2025/06/05/slack-cli
Clarifying rate limit changes for non-Marketplace appshttps://docs.slack.dev/changelog/2025/06/03/rate-limits-clarity
Rate limit changes for non-Marketplace appshttps://docs.slack.dev/changelog/2025/05/29/rate-limit-changes-for-non-marketplace-apps
API Terms of Service updateshttps://docs.slack.dev/changelog/2025/05/29/tos-updates
Release: Slack CLI v3.2.0https://docs.slack.dev/changelog/2025/05/22/slack-cli
Release: Slack CLI v3.1.0https://docs.slack.dev/changelog/2025/05/08/slack-cli
Release: Slack CLI v3.0.5https://docs.slack.dev/changelog/2025/04/24/slack-cli
Classic apps deprecation timeline adjustmenthttps://docs.slack.dev/changelog/2025/04/11/classic-apps-extension
The Slack CLI is now open source!https://docs.slack.dev/changelog/2025/04/10/slack-cli-goes-open-source
Release: Slack CLI v3.0.4https://docs.slack.dev/changelog/2025/04/10/slack-cli
Retiring of api.slack.comhttps://docs.slack.dev/changelog/2025/03/27/api-site-sunsetting
Release: Slack CLI v3.0.2https://docs.slack.dev/changelog/2025/03/27/slack-cli
Release: Slack CLI v3.0.1https://docs.slack.dev/changelog/2025/03/19/slack-cli
files.upload API method deprecation timeline adjustmenthttps://docs.slack.dev/changelog/2025/03/17/files-upload-extension
Slack platform API and tools docs are now in betahttps://docs.slack.dev/changelog/2025/03/10/api-site-migration-launch
Release: Slack CLI v3.0.0https://docs.slack.dev/changelog/2025/02/27/slack-cli-release
Removing the Slack CLI deno commandhttps://docs.slack.dev/changelog/2025/02/27/slack-cli
Release: Slack CLI v2.33https://docs.slack.dev/changelog/2025/02/13/slack-cli
A new Block Kit block is now available for use!https://docs.slack.dev/changelog/2025/02/03/block-kit-markdown
The Data Access API is here!https://docs.slack.dev/changelog/2025/01/30/data-access-api
Release: Slack CLI v2.32.1https://docs.slack.dev/changelog/2025/01/16/slack-cli
Release: Slack CLI v2.32.0https://docs.slack.dev/changelog/2024/12/12/slack-cli
Slack App Developer Policy updateshttps://docs.slack.dev/changelog/2024/12/10/dev-policy-update
Slack platform API and tools docs are movinghttps://docs.slack.dev/changelog/2024/12/05/api-site-migration
Release: Slack CLI v2.31.0https://docs.slack.dev/changelog/2024/11/14/slack-cli
Classic apps deprecation timeline adjustmenthttps://docs.slack.dev/changelog/2024/11/07/apps
Release: Slack CLI v2.30.1https://docs.slack.dev/changelog/2024/10/31/slack-cli
Release: Slack CLI v2.30.0https://docs.slack.dev/changelog/2024/10/17/slack-cli
Discontinuing support for legacy custom bots and classic appshttps://docs.slack.dev/changelog/2024-09-legacy-custom-bots-classic-apps-deprecation
Agents & AI Apps feature is here!https://docs.slack.dev/changelog/2024/09/16/apps
Release: Slack CLI v2.29.2https://docs.slack.dev/changelog/2024/09/05/slack-cli
Custom workflow steps for all Slack apps are available today!https://docs.slack.dev/changelog/2024/08/14/apps
Release: Slack CLI v2.29.1https://docs.slack.dev/changelog/2024/08/08/slack-cli
Release: Deno Slack API v2.8.0https://docs.slack.dev/changelog/2024/08/02/deno-slack-api
Release: Slack CLI v2.28.0https://docs.slack.dev/changelog/2024/07/25/slack-cli
Release: Slack CLI v2.27.1https://docs.slack.dev/changelog/2024/07/11/slack-cli
Release: Deno Slack SDK v2.13.0 & v2.14.0https://docs.slack.dev/changelog/2024/07/03/deno-slack-sdk
Release: Deno Slack API v2.7.0https://docs.slack.dev/changelog/2024/07/02/deno-slack-api
Release: Deno Slack API v2.6.0https://docs.slack.dev/changelog/2024/06/18/deno-slack-api
Release: Deno Slack API v2.5.0https://docs.slack.dev/changelog/2024/06/14/deno-slack-api
Release: Slack CLI v2.26.0https://docs.slack.dev/changelog/2024/06/13/slack-cli
Release: Deno Slack SDK v2.12.0https://docs.slack.dev/changelog/2024/06/10/deno-slack-sdk
Release: version 2.25.0 of the Slack CLIhttps://docs.slack.dev/changelog/2024-05-security-updates-coded-workflows
The files.upload method is now deprecatedhttps://docs.slack.dev/changelog/2024/05/16/apps
Release: Slack CLI v2.24.0https://docs.slack.dev/changelog/2024/05/16/slack-cli
Release: Deno Slack SDK v2.11.0https://docs.slack.dev/changelog/2024/05/10/deno-slack-sdk
The September 2024 retirement of Steps from Apps for our legacy Workflow Builder approaches quickly.https://docs.slack.dev/changelog/2024/05/02/apps
Release: Slack CLI v2.23.0https://docs.slack.dev/changelog/2024/05/02/slack-cli
Minor developer policy updatehttps://docs.slack.dev/changelog/2024-04-minor-developer-policy-update
Coded event trigger improvements are now live!https://docs.slack.dev/changelog/2024/04/25/tools
Release: Slack CLI v2.22.0https://docs.slack.dev/changelog/2024/04/18/slack-cli
Release: Deno Slack SDK v2.10.0 & Deno Slack API v2.4.0https://docs.slack.dev/changelog/2024/04/16/deno-slack-sdk
The files.upload method is retiring, to be replaced by sequenced Web API methodshttps://docs.slack.dev/changelog/2024-04-a-better-way-to-upload-files-is-here-to-stay
Release: Slack CLI v2.21.0https://docs.slack.dev/changelog/2024/04/04/slack-cli
Discontinuing new creation of classic apps and legacy custom integration botshttps://docs.slack.dev/changelog/2024-04-discontinuing-new-creation-of-classic-slack-apps-and-custom-bots
Release: Deno Slack SDK v2.9.0https://docs.slack.dev/changelog/2024/04/01/deno-slack-sdk
Release: Slack CLI v2.20.1 & v2.20.1https://docs.slack.dev/changelog/2024/03/21/slack-cli
Release: Slack CLI v2.19.0https://docs.slack.dev/changelog/2024/03/11/slack-cli
Release: version 2.7.0 of the Deno Slack SDKhttps://docs.slack.dev/changelog/2024/03/01/deno-slack-sdk
Release: Slack CLI v2.18.0https://docs.slack.dev/changelog/2024/02/22/slack-cli
Release: Slack CLI v2.17.1https://docs.slack.dev/changelog/2024/02/07/slack-cli
Release: Slack CLI v2.17.0https://docs.slack.dev/changelog/2024/01/25/slack-cli
File upload functionality is now available in Block Kit!https://docs.slack.dev/changelog/2024/01/17/block-kit
Securely render your internal images in modals and messageshttps://docs.slack.dev/changelog/2024/01/16/apis
Release: Slack CLI v2.16.0https://docs.slack.dev/changelog/2024/01/11/slack-cli
Release: Slack CLI v2.15.0https://docs.slack.dev/changelog/2023/12/14/slack-cli
Release: Slack CLI v2.14.0https://docs.slack.dev/changelog/2023/11/30/slack-cli
Release: Slack CLI v2.13.0https://docs.slack.dev/changelog/2023/11/16/slack-cli
SCIM API token restriction by IP addresshttps://docs.slack.dev/changelog/2023/11/06/apis
Release: Slack CLI v2.12.0https://docs.slack.dev/changelog/2023/11/02/slack-cli
Release: Slack CLI v2.11.0https://docs.slack.dev/changelog/2023/10/26/slack-cli
Release: Slack CLI v2.10.0https://docs.slack.dev/changelog/2023/10/05/slack-cli
Rich text formatting for Block Kit surfaceshttps://docs.slack.dev/changelog/2023/09/29/block-kit
Release: Slack CLI v2.9.1https://docs.slack.dev/changelog/2023/09/21/slack-cli
Slack CLI v2.8.0 and below is now deprecatedhttps://docs.slack.dev/changelog/2023/09/19/slack-cli
Release: Slack CLI v2.9.0https://docs.slack.dev/changelog/2023/09/08/slack-cli
New Admin API methods are now available!https://docs.slack.dev/changelog/2023/09/05/apis
Release: Slack CLI v2.8.0https://docs.slack.dev/changelog/2023/08/24/slack-cli
Workflow Steps from Apps step backhttps://docs.slack.dev/changelog/2023-08-workflow-steps-from-apps-step-back
Release: Slack CLI v2.7.0https://docs.slack.dev/changelog/2023/08/10/slack-cli
Slack Marketplace submissions must now have a minimum of 10 active workspace installations to be reviewedhttps://docs.slack.dev/changelog/2023/08/01/apps
It's later already for stars and remindershttps://docs.slack.dev/changelog/2023-07-its-later-already-for-stars-and-reminders
Release: Slack CLI v2.6.0https://docs.slack.dev/changelog/2023/07/27/slack-cli
Release: Slack CLI v2.5.1https://docs.slack.dev/changelog/2023/07/10/slack-cli
Release: Slack CLI v2.5.0https://docs.slack.dev/changelog/2023/06/29/slack-cli
Slack CLI v1.17.0 and below is now deprecatedhttps://docs.slack.dev/changelog/2023/06/28/slack-cli
Release: Slack CLI v2.4.0https://docs.slack.dev/changelog/2023/06/15/slack-cli
Release: Slack CLI v2.3.0https://docs.slack.dev/changelog/2023/06/01/slack-cli
The team.accessLogs method now supports cursor-based paginationhttps://docs.slack.dev/changelog/2023/05/16/apis
Release: Slack CLI v2.2.0https://docs.slack.dev/changelog/2023/05/04/slack-cli
Message attachment field changeshttps://docs.slack.dev/changelog/2023/05/02/apis
Introducing the Slack automations platformhttps://docs.slack.dev/changelog/2023/04/24/slack-cli
Beta release: Slack CLI v2.1.0https://docs.slack.dev/changelog/2023/04/20/preview
Beta release: Slack CLI v1.21.0https://docs.slack.dev/changelog/2023/03/23/preview
Beta release: Slack CLI v1.20.0https://docs.slack.dev/changelog/2023/02/23/preview
Beta release: Slack CLI v1.19.0https://docs.slack.dev/changelog/2023/02/09/preview
Beta release: Slack CLI v1.18.0https://docs.slack.dev/changelog/2023/02/01/preview
2022 changelog entrieshttps://docs.slack.dev/changelog/2022/12/31/output
2021 shortform changelog entrieshttps://docs.slack.dev/changelog/2021/12/31/
Changes to admin apps requestshttps://docs.slack.dev/changelog/2021-10-changes-to-admin-app-requests
Rolling out a new beta app settings experiencehttps://docs.slack.dev/changelog/2021-10-manifest-a-new-reality
rtm.start to stophttps://docs.slack.dev/changelog/2021-10-rtm-start-to-stop
Changes to unfurlshttps://docs.slack.dev/changelog/2021-08-changes-to-unfurls
Changes to admin app requestshttps://docs.slack.dev/changelog/2021-08-changes-to-admin-apps-requests
Changes to admin appshttps://docs.slack.dev/changelog/2021-08-changes-to-admin-apps
How we broke your Slack apphttps://docs.slack.dev/changelog/2021-02-how-we-broke-your-slack-app
Goodbye, workspace appshttps://docs.slack.dev/changelog/2021-01-workspace-apps-retiring-the-platform-graveyard-in-aug-2021
2020 shortform changelog entrieshttps://docs.slack.dev/changelog/2020/12/31/compilation
App unfurls everywherehttps://docs.slack.dev/changelog/2020/11/01/app-unfurls-everywhere
No more tokens in querystrings for newly created appshttps://docs.slack.dev/changelog/2020-11-no-more-tokens-in-querystrings-for-newly-created-apps
Events API truncate authed usershttps://docs.slack.dev/changelog/2020-09-15-events-api-truncate-authed-users
A full state on view submission and block actionshttps://docs.slack.dev/changelog/2020/09/01/full-state-on-view-submisson-and-block-actions
Minor developer policy updatehttps://docs.slack.dev/changelog/2020/09/01/minor-developer-policy-update
Legacy test token creation to retirehttps://docs.slack.dev/changelog/2020-02-legacy-test-token-creation-to-retire
Deprecating antecedents to the conversations APIhttps://docs.slack.dev/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
2019 shortform changelog entrieshttps://docs.slack.dev/changelog/2019/12/31/compilation
What you see is what you get and more and lesshttps://docs.slack.dev/changelog/2019/09/01/what-they-see-is-what-you-get-and-more-and-less
Deprecate early TLS versionshttps://docs.slack.dev/changelog/2019-07-deprecate-early-tls-versions
Have SCIM, will paginatehttps://docs.slack.dev/changelog/2019-06-have-scim-will-paginate
Wild West no more (for file limits, at least)https://docs.slack.dev/changelog/2019-03-wild-west-for-files-no-more
Cemented fate for file commentshttps://docs.slack.dev/changelog/2019/02/01/cemented-fate-for-file-comments
2018 shortform changelog entrieshttps://docs.slack.dev/changelog/2018/12/31/compilation
A bric a brac of broadcasts built with blockshttps://docs.slack.dev/changelog/2018/12/01/a-bric-a-brac-of-broadcasts-built-with-blocks
More reasons to be a conversations API converthttps://docs.slack.dev/changelog/2018/09/01/more-reasons-to-be-a-conversations-api-convert
Developer policy updateshttps://docs.slack.dev/changelog/2018/08/01/updated-developer-policy
Workspace token rotationhttps://docs.slack.dev/changelog/2018/08/01/workspace-token-rotation
Conversations APIs and scopes for workspace appshttps://docs.slack.dev/changelog/2018/06/01/conversations-apis-and-scopes-for-workspace-apps
App home events for workspace appshttps://docs.slack.dev/changelog/2018/05/01/app-home-events-for-workspace-apps
File threads soon treadhttps://docs.slack.dev/changelog/2018-05-file-threads-soon-tread
OAuth flow changes for workspace token preview appshttps://docs.slack.dev/changelog/2018/04/01/oauth-flow-changes-for-workspace-token-preview-apps
Scoping file rights for writes in workspace token appshttps://docs.slack.dev/changelog/2018/04/01/scoping-file-rights-for-writes-in-workspace-token-apps
Truncating really long messageshttps://docs.slack.dev/changelog/2018-truncating-really-long-messages
Great rate limitshttps://docs.slack.dev/changelog/2018/03/01/great-rate-limits
Presence present and futurehttps://docs.slack.dev/changelog/2018-01-presence-present-and-future
Don't let websocket URIs with query strings get you downhttps://docs.slack.dev/changelog/2018/01/11/dont-let-websocket-uris-with-query-strings-get-you-down
The right chat:write for workspace token appshttps://docs.slack.dev/changelog/2018-01-the-right-chat-write-for-workspace-token-apps
2017 shortform changelog entrieshttps://docs.slack.dev/changelog/2017/12/31/compilation
Keeping up with the JSONshttps://docs.slack.dev/changelog/2017-10-keeping-up-with-the-jsons
Making RTM presence subscription onlyhttps://docs.slack.dev/changelog/2017-10-making-rtm-presence-subscription-only
The members array is being truncatedhttps://docs.slack.dev/changelog/2017/10/01/members-array-truncating
Locale locale localehttps://docs.slack.dev/changelog/2017/09/01/locale-locale-locale
The one about usernameshttps://docs.slack.dev/changelog/2017-09-the-one-about-usernames
Batch presence and presence subscriptionshttps://docs.slack.dev/changelog/2017-06-batch-presence-and-presence-subscriptions
Rethinking channel entrance and exit events and messageshttps://docs.slack.dev/changelog/2017/05/01/rethinking-channel-entrance-and-exit-events-and-messages
Narrowing email accesshttps://docs.slack.dev/changelog/2017-04-narrowing-email-access
Start using RTM connect and stop using RTM starthttps://docs.slack.dev/changelog/2017/04/01/start-using-rtm-connect-and-stop-using-rtm-start
Minor field changeshttps://docs.slack.dev/changelog/2017-02-minor-field-changes
2016 shortform changelog entrieshttps://docs.slack.dev/changelog/2016/12/31/compilation
Addressing email addresseshttps://docs.slack.dev/changelog/2016-11-10-addressing-email-addresses
Response metadata is on the wayhttps://docs.slack.dev/changelog/2016/09/28/response-metadata-is-on-the-way
Token lengtheninghttps://docs.slack.dev/changelog/2016/08/23/token-lengthening
User ID format changeshttps://docs.slack.dev/changelog/2016/08/11/user-id-format-changes
More event timestamps in the RTM APIhttps://docs.slack.dev/changelog/2016/05/31/more-events-timestamps-in-rtm-api
Authorship changing for older tokenshttps://docs.slack.dev/changelog/2016/05/19/authorship-changing-for-older-tokens
Changes to errors for incoming webhookshttps://docs.slack.dev/changelog/2016-05-17-changes-to-errors-for-incoming-webhooks
RTM API file events payload changehttps://docs.slack.dev/changelog/2016/04/26/file-events-in-the-rtm-api
Reminders API methodshttps://docs.slack.dev/changelog/2016/04/14/reminders-api
2015 shortform changelog entrieshttps://docs.slack.dev/changelog/2015/12/31/compilation
previous announcementhttps://docs.slack.dev/changelog/2024-09-legacy-custom-bots-classic-apps-deprecation/
migrate your classic app to a Slack apphttps://docs.slack.dev/legacy/legacy-app-migration/migrating-classic-apps/
Announcementhttps://docs.slack.dev/changelog/tags/announcement
Deprecationhttps://docs.slack.dev/changelog/tags/deprecation
Newer postRelease: Slack CLI v3.11.0https://docs.slack.dev/changelog/2026/01/22/slack-cli
Older postRelease: Slack CLI v3.10.0https://docs.slack.dev/changelog/2025/12/04/slack-cli
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Trailheadhttps://trailhead.salesforce.com/
Resource libraryhttps://slack.dev/resource-library
All learning resourceshttps://slack.dev/learn
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Statushttps://slack-status.com/
Privacyhttps://slack.com/trust/privacy/privacy-policy
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Cookie Preferenceshttps://docs.slack.dev/changelog/2025/12/08/classic-apps-deprecation-paused
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