Recently Sony Rolled out Android 5.1.1 Lollipop For Sony Xperia Z3 series. In Android 5.1.1 Lollipop the Xperia Home Launcher is updated to 8.1.A.0.8. So some has ported the apk from the official Android 5.1.1 Lollipop Stock Rom. Now we also can taste the auto rotation feature of the home screen and the Icon Size changing feature. This really works and tested in Xperai Z1 Running Android 5.0.2 Lollipop. Now you also can try this new update of the Xperia Home Launcher
The new changes are in this update are the same changes that appeared in the Home launcher version 8.1.A.0.4 that was appeared in Older Xperia Z series android 5.0.2 update. Also the only change that is found in this update is Android 5.1.1 Lollipop customizations were added to this version. SO download the apk from the below link.
Just Install as a Normal APK - No Root Required - Android 5.0.2 Required
Download APK Here