During June 2025, Alex Finder focused on stabilizing performance testing workflows in the mozilla/gecko-dev repository. He addressed intermittent test failures by updating Browsertime dependencies and refining test configurations, including disabling macOS-specific perfstats for certain scenarios. His work involved careful dependency management and debugging, leveraging skills in RST and TOML to ensure robust integration. By updating usb-power-profiling, Alex improved symbolication and regression handling, which streamlined the identification of performance issues. Although the period did not include new feature development, his targeted bug fix enhanced test reliability and accelerated feedback cycles, reflecting a deep, maintenance-oriented engineering approach.