Apple unveiled its iPhone 8, 8 Plus, iPhone X and Watch Series 3 during the company’s keynote event on September 12. Nonetheless, the Cupertino based tech company did not announce the launch dates for its latest software upgrades - macOS High Sierra, WatchOS 4, and the highly anticipated iOS 11.

iOS 11

However, according to CNET, Apple will release the iOS 11 operating system on September 19. The mobile operating system will stop supporting 32-bit apps, which could indicate that older Apple iPhones will not be compatible with iOS 11, and will have to utilize the iOS 9 or iOS 10.

The iPhone 5s, 7 and 7 Plus will only be compatible with the new mobile operating system.

Regarding the Apple iPads, the upgraded mobile operating system will be compatible with all iPad Pro models, 6th-gen iPod touch, 5th-gen iPad, iPad Air, iPad Air 2 and iPad mini 2.

The iOS 11 operating system will feature a new Control Center, Siri's more natural voice, easily free up storage, venmo-style Apple Pay payments and the Do Not Disturb While Driving feature.

watchOS 4

Meanwhile, all of the Apple Watch variants will be compatible with the new watchOS 4 operating system. According to Ars Technica, the company’s latest smartwatch operating system will improve the device’s user interface, which includes the News app added support, Music app’s new appearance and the latest vertical app dock.

The latest smartwatch operating system will come along with Workout app enhancements, and it will track additional types of exercises in the near future. The high intensity interval training feature of the watchOS 4 will allow the smartwatch to accurately indicate the burned calories of the user. In addition, the new operating system update will arrive with an improved heart rate monitoring.

macOS High Sierra

Regarding the macOS High Sierra - the company will roll out the operating system on September 25. The macOS High Sierra will come along with Mac’s more clever performance, improved features as well as the latest forward-looking technologies.

The upgraded macOS High Sierra will launch the company’s first-party apps’ new improvements.

The updated software will enhance the user interface and additional edition tools will be introduced to the Photos app. Also, the Safari web browser can now stop auto-playing videos automatically.

The macOS High Sierra will also feature the new security updates. The operating system can be downloaded for free from the Mac App store.