Initial details about the Snapdragon 888's successor have leaked, which should arrive later this year. The information suggests that Qualcomm may have partnered with Leica for the upcoming flagship SoC, among other things.
https://www.notebookcheck.net/Leaked-Snapdragon-SM8450-details-point-to-a-Qualcomm-and-Leica-collaboration-for-the-Snapdragon-888-successor.527077.0.html