Version 9.9.21 introduced several "under-the-hood" improvements rather than major visual overhauls:
If you are using an older device and need to manually install or update to this version, follow these steps: Play Store 9.9 21 Apk
armeabi, armeabi-v7a, mips, mips64, x86, and x86_64. Primary Features and Fixes Version 9
Included variant support for Android TV, Wear OS (formerly Android Wear), and Android Automotive. How to Install the 9.9.21 APK follow these steps: armeabi