The Bluetooth SIG has announced Bluetooth 6.1, the latest version that introduces significant improvements in terms of privacy and energy efficiency. While it's not a big change in terms of name, the new features are significant enough for daily use.
Among the key features is an automatic random address change system, known as Randomised RPA Updates. It allows devices to change their identities periodically without affecting performance, making it difficult for outside parties to track user activity.
Additionally, this process is handled directly by the Bluetooth controller, not the main processor, which also helps save battery, which is a big advantage for small devices like TWS and smartwatches. Bluetooth 6.1 also introduces Feature Description Attachments, a device mechanism to provide clearer information about supported features. This makes connections between devices more accurate and stable, and reduces the problem of functional incompatibility.
Interestingly, Bluetooth SIG advises manufacturers not to brand their products as “Bluetooth 6.1”, but instead focus on actual features such as enhanced privacy or energy savings. Currently, most devices still use Bluetooth version 5.x, but support for 6.1 is expected to arrive in stages. This is not a major revolution, but a step towards smarter and more secure connections.
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