As expected, Apple keeps improving the Liquid Glass experience on iOS 26. These are some of the changes developers are discovering with this new test cycle:Apple Music gesture: Once you're on the Apple Music app on iOS 26.1, you can swipe left and right on the MiniPlayer to switch between songs. Phone app: Following the redesign of the Phone app, Apple has also added a Liquid Glass touch to the keypad, bringing more consistency to the overall experience. This could make Apple Intelligence available to other third-party LLMs that could autonomously take action within apps. At this moment, it's important to note that ChatGPT continues to be the main third-party LLM available to Apple Intelligence.