watchOS 10

watchOS 10

Version of watchOS
Version	10.x
Codename	Lighthouse
Architecture	ARM64
Latest build	21U580 (10.6.1)
Release date	2023-09-18
Replaces
watchOS 9
Replaced by
watchOS 11

watchOS 10 (codenamed Lighthouse) is the tenth version of watchOS that was released on 18 September 2023. It was first announced at the WWDC keynote on 5 June 2023.

List of known builds

watchOS 10.0

21R5275t (Developer Beta 1)

21R5295g (Developer Beta 2)

21R5305e (Developer Beta 3/Public Beta 1)

21R5320i (Developer Beta 4/Public Beta 2)

21R5332f (Developer Beta 5/Public Beta 3)

21R5341c (Developer Beta 6/Public Beta 4)

21R5349b (Developer Beta 7/Public Beta 5)

21R5355a (Developer Beta 8/Public Beta 6)

21R355 (RTM for Apple Watch Series 9 and Ultra 2)

21R356 (Release Candidate/RTM)

watchOS 10.0.1

21R360

watchOS 10.0.2

21R371 (Apple Watch Series 9 and Ultra 2)

watchOS 10.1

21S6042c

21S5042f (Beta 1)

21S5053f (Beta 2)

21S5063a (Beta 3)

21S67 (Release Candidate/RTM)

watchOS 10.1.1

21S71

watchOS 10.2

21S5331f (Beta 1)

21S5342e (Beta 2)

21S5349e (Beta 3)

21S5358a (Beta 4)

21S364 (Release Candidate/RTM)

watchOS 10.3

21S5625c (Beta 1)

21S5635d (Beta 2)

21S5642a (Beta 3)

21S644 (Release Candidate/RTM)

watchOS 10.3.1

21S651

watchOS 10.4

21T5185g (Beta 1)

21T5196d (Beta 2)

21T5202e (Beta 3)

21T5213a (Beta 4)

21T216 (Release Candidate/RTM)

watchOS 10.5

21T5545f (Beta 1)

21T5555d (Beta 2)

21T5560d (Beta 3)

21T5571a (Beta 4)

21T575 (Release Candidate)

21T576 (Release Candidate 2/RTM)

watchOS 10.6

21U5551b (Beta 1)

21U5560b (Beta 2)

21U5565c (Beta 3)

21U5574a (Beta 4)

21U577 (Release Candidate/RTM)

watchOS 10.6.1

21U580