# Release v1.4.3 # Release notes for v1.4.3 # Changelog since v1.4.2 ## Changes by Kind ### Bug or Regression - Adds an explicit 10 second timeout when checking HTTP01 challenges for reachability ([#4319](https://github.com/jetstack/cert-manager/pull/4319), [@SgtCoDFish](https://github.com/SgtCoDFish)) ### Other (Cleanup or Flake) - Clarify the exact supported kubernetes version range for cert-manager 1.4 ([#4315](https://github.com/jetstack/cert-manager/pull/4315), [@SgtCoDFish](https://github.com/SgtCoDFish))