LOS GATOS — Roku’s newest software update, Roku OS 9.3, will start rolling out to Roku devices in Canada in the coming weeks, the company announced Tuesday. The free, automatic software update focuses on helping users get to content quickly and improving overall performance, says the news release. “The Roku OS continues to get better with a specific focus on delivering better performance, new content and more ways to find it,” said Lloyd Klarke, director of product management at Roku, in the release. “With Roku OS 9.3, we’re enhancing Roku Voice in Canada with increased natural language understanding, additional media...