苹果已发布 watchOS 26.6 开发者预览版的第四个测试版本。
对于希望更新系统的开发者，有两种途径：
- 公开测试版：需要注册 Apple Beta 版软件计划，然后在设备中通过“设置”>“通用”>“软件更新”>“Beta 版更新”进行升级。
- 开发预览版：需要加入苹果开发者计划，登录后通过“设置”>“通用”>“软件更新”进行升级。
以下是 watchOS 26 系列的部分发布历史：
- 2026-06-30：watchOS 26.6 Beta 3 (23U5049c)
- 2026-06-16：watchOS 26.6 Beta 2 (23U5040d)
- 2026-05-27：watchOS 26.6 Beta 1 (23U5025e)
- 2026-05-12：watchOS 26.5 (23T570)
- 2026-05-05：watchOS 26.5 RC (23T570)
- 2026-04-28：watchOS 26.5 Beta 4 (23T5568a)
- 2026-04-21：watchOS 26.5 Beta 3 (23T5558e)
- 2026-04-14：watchOS 26.5 Beta 2 (23T5553d)
- 2026-03-31：watchOS 26.5 Beta (23T5541h)
- 2026-03-25：watchOS 26.4 (23T240)
- 2026-03-19：watchOS 26.4 RC (23T239)
- 2026-03-10：watchOS 26.4 Beta 4 (23T5236a)
- 2026-03-03：watchOS 26.4 Beta 3 (23T5226e)
- 2026-02-24：watchOS 26.4 Beta 2 (23T5221e)
- 2026-02-17：watchOS 26.4 Beta (23T5209m)
- 2026-02-12：watchOS 26.3 (23S620)
- 2026-02-05：watchOS 26.3 RC (23S618)
- 2026-01-27：watchOS 26.2.1 (23S314)
- 2026-01-27：watchOS 26.3 Beta 3 (23S5611c)
- 2026-01-13：watchOS 26.3 Beta 2 (23S5600d)
- 2025-12-16：watchOS 26.3 Beta (23S5586d)
- 2025-12-13：watchOS 26.2 (23S303)
- 2025-12-04：watchOS 26.2 RC (23S303)
- 2025-11-18：watchOS 26.2 Beta 3 (23S5297b)
- 2025-11-13：watchOS 26.2 Beta 2 (23S5286d)
- 2025-11-05：watchOS 26.2 Beta (23S5280e)
- 2025-11-04：watchOS 26.1 (23S37)
- 2025-10-29：watchOS 26.1 RC (23S36)
- 2025-10-21：watchOS 26.1 Beta 4 (23S5031a)
- 2025-10-14：watchOS 26.1 Beta 3 (23S5022e)
- 2025-10-07：watchOS 26.1 Beta 2 (23S5017d)
- 2025-09-30：watchOS 26.0.1 (23R8362)
- 2025-09-23：watchOS 26.1 Beta (23S5002i)
- 2025-09-10：watchOS 26 RC (23R351)
- 2025-09-03：watchOS 26 Beta 9 (23R5350b)
- 2025-08-26：watchOS 26 Beta 8 (23R5350a)
- 2025-08-19：watchOS 26 Beta 7 (23R5346a)
- 2025-08-12：watchOS 26 Beta 6 (23R5340a)
- 2025-08-06：watchOS 26 Beta 5 (23R5328g)
- 2025-07-23：watchOS 26 Beta 4 (23R5317g)
- 2025-07-08：watchOS 26 Beta 3 (23R5307g)
- 2025-06-24：watchOS 26 Beta 2 (23R5296f)
- 2025-06-10：watchOS 26 Beta (23R5280m)
