This patch release brings improvements to documentation and sureness in our CI, as well as security updates to certain @slack packages - see CVE-2024-39338 and axios@1.7.4 for more details!
Full Changelog: https://github.com/slackapi/bolt-js/compare/@slack/bolt@3.21.0...@slack/bolt@3.21.1
Fetched April 3, 2026