- New Slack apps created after May 16 2024 can no longer call the `files.upload` API method.
- Migrate to the new asynchronous upload flow and update existing apps/integrations by March 11 2025.
- Adjust code and documentation to use the async upload endpoint.
Community impact
Community ratings: 0 Useful, 0 Noise, 0 Risky, 0 Broke, 0 Try.