Group 1 - The core point of the article is that Apple is planning a significant hardware upgrade for the Apple Watch series in 2026, which may include the introduction of Touch ID for enhanced security [1][2] - Internal code indicates that Apple is experimenting with biometric authentication features for the Apple Watch, specifically mentioning support for "AppleMesa," the codename for Touch ID [1] - The implementation of Touch ID on the Apple Watch is still unclear, but possibilities include under-display integration or incorporation into the side button [1] Group 2 - The 2026 Apple Watch product line will be fully upgraded, with the new series named "Watch8," while previous models will be referred to as Series 9, Series 10, and Series 11, indicating significant differences from earlier versions [2]