The other day Apple posted the release candidate of iOS 14.3 to developers, and based on my testing, it looks good, and it seems to solve a number of issues beyond what's mentioned in the release notes.
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When's iOS 14.3 going to be released?
iOS 14.3 is set to be released December 14, the day that Fitness+ is released, and a day before the AirPods Max are released.