Google is constantly working to update all their apps with new improvements and bug fixes. The Google Play Store is one of the main apps which showcases all the Android Apps in your Android phone. Since last 2 years this app has got a huge changes and improvement. Most of the time Google update these apps without any changelog and those updates are especially for bugs fixes and better stability.
Just today another Google Play Store update is live which ensures better performance. If you like to update your Android app frequently then here it is. Go grab it from APKMirror or directly update from Google Play.