Worked on the major/ec2-plugin repository to enhance the reliability of spot pricing checks in Jenkins by addressing an issue with instance type resolution. Focused on backend development using Java and AWS, the solution introduced the InstanceType.fromValue() method to streamline and simplify the identification of available spot instance types during pricing checks. This fix improved the accuracy and stability of spot-based deployments by ensuring correct resolution logic, directly addressing issue JENKINS-75870. The work also contributed to better code maintainability and plugin stability, reflecting a methodical approach to cloud computing challenges within Jenkins plugin development over the course of the month.