Nearly one third of the seven million Australians who downloaded the Covidsafe app are using an outdated version, as new figures show the government spend on the contact tracing app has risen to $14m. The Covidsafe contact tracing app relies on as many people as possible running it, but new data reveals that more than two million users do not have the most up-to-date version. In the nine months since the federal government launched the app, it...