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For major release announcements and summaries, see Checkly’s product changelog, filtered by Checkly Agent. Learn more about:

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Full release history

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v6.3.1
February 2026
The agent now exposes HTTP health probe endpoints:
  • GET /-/readiness: Returns 200 OK when the agent is ready, 503 Service Unavailable during shutdown
  • GET /-/liveness: Returns 200 OK
  • GET /health: Returns 200 OK Health endpoints run on port 8081 by default, configurable via the AGENT_HEALTH_PORT environment variable
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v6.3.0
December 2025
  • Added agent-dev image including build tools to support building native npm packages. Going forward, the dev variant is published as a separate image rather than a tag on the main agent image
  • Improved secret scrubbing speed
  • Improved error logging for hanging or long running Playwright Check Suite jobs
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v6.2.0
December 2025
Ensured devDependencies are not installed in the agent image
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v6.1.7
December 2025
  • Added support for a dev image including build tools to support building native npm packages
  • Improved internal logging and metrics for Playwright Check Suites
  • Browser and Multistep checks using runtime 2025.04 now automatically scrub the Authorization header from requests
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v6.1.6
November 2025
Added Checkly environment variables and configuration to Playwright Check Suites. See the docs on Playwright Check Suites environment variables:
  • Adds support for CHECKLY to all checkly triggered runs: scheduled checks and test sessions triggered through either npx checkly test, npx checkly trigger or npx checkly pw-test
  • Includes the environment variable CI as true only for test session triggered runs
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v6.1.5
November 2025
Added Playwright test metrics to the check overview page, including Test performance and Test statuses graphs
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v6.1.4
October 2025
Minor patches on reporting
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v6.1.3
August 2025
Improved and centralized secret scrubbing for more reliable removal of sensitive data
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v6.1.2
August 2025
Added support for CHECKLY_SECRET_* environment variables. Secrets containing special characters (e.g. @, %, !, +) are now reliably scrubbed from traces, including when they appear in encoded form in URLs or request payloads. Learn more in our documentation on Dynamic Secret Scrubbing
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v6.1.1
July 2025
Fixed an issue where checks could fail behind proxies during dependency installation because proxy-related environment variables were not consistently available
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v6.1.0
July 2025
  • Added runtime secret detection for Browser and Multistep checks (enabled for selected accounts)
  • See the product changelog for details on changes from version 6.0.1 to 6.1.0
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v6.0.7
June 2025
Internal improvements and fixes related to networking and request handling