The major Lollipop update, the Android Lollipop 5.1 was announced by Google a couple of days back. This being the first major update however had only limited changes and enhancements. 14,686 changes are seen in the latest android build.
The major fixes that is noticed is silent mode that is reported back and was not available in the previous Lollipop update. No silent mode was present and when the volume is lowered, only vibrate mode was activated.
Changes that can be seen:
The recent update lets the Wi-Fi toggle to be used directly from the quick settings, while working with the Bluetooth too. When using the 5.0 update of Lollipop, the memory leak which led to the crashing of the apps, has been fixed too. The SMS issue too has been fixed.
The other major changes reported are the phonearena, LED notification working in all sound modes. But the lock screen is still locked when swiping within the settings for notification. These changes would support on multiple SIM cards.