Although a sharp version was released iOS 18, also saw the light of day, apparently the last major update iOS 17, namely iOS 17.7. Not everyone wants to update immediately to iOS 18. A lot of people are waiting to get over the birth pains, or they don't see updating to the latest system as something they need right away. If you are among those who, with the transition to iOS 18 they'll wait, you'll probably be interested to see how it's going iOS 17.7 in endurance. The battery test was performed by channel i as usualAppleBytes in the Geekbench app, on iPhonech SE 2020, XR, 11, 12, 13 and 15. Given the number of devices, you can get a good idea of how things are going. iOS 17.7 is. You can find the full test below the paragraph.
If you look at the graph below this paragraph, you can see that there have not been too many changes. A slight improvement can be observed on the iPhone 13 and SE 2020. For the rest, it is a small decrease, but you probably won't notice it at all in practice. It should be added that for some devices this is a rather sad sight. For example, for the iPhone 13, you can see that on iOS 16 had 1500 points more.