Brendan Allan focused on improving the stability and reliability of the Cap recording flow in the CapSoftware/Cap repository. He addressed a critical issue where recordings could start with outdated target information by refactoring the startRecording function to use the resolved options.target rather than the previous rawOptions.captureTarget. This change centralized the target resolution logic, reducing the risk of errors and enhancing maintainability. Brendan also made minor UI formatting adjustments to improve the readability of recording controls. His work primarily involved frontend development using TypeScript and JavaScript, demonstrating attention to detail and a methodical approach to bug resolution and user experience.