PSVita System Update V1.65 has been released, bringing the following minor enhancements :
- A "Notification Alert" option will be added to Settings, so you can toggle alerts on or off.
- "After 10 minutes" will be added to the time options under Power Save Settings.
- An Arrow icon will now appear when PS Vita finds new activities in the LiveArea.
- Caps Lock is now supported in the On Screen Keyboard.
You can grab the 97MB update for your PSVita right now
Update: Sony has confirmed that the update has been taken down temporarily due to a technical fault, and issued the following statement :
Update: Sony issued another statement detailing the technical fault behind taking down the update :
Update: PSVita System Software Update V1.66 is now live, it is also a 97MB download
Update: Sony has released details some new features of the latest 1.66 update including :
- The [System Music] setting in Settings > [Sound & Display] now affects BGM in PS Store, near and Sign-Up screens as well as the Home menu.
- When searching for location data, users now have the option to ‘Retry’ and ‘Cancel’ when a failure occurs.
- A progress bar is introduced for application installation.
- A direct link to PlayStation Store is made available for new applications that users may discover on near.
- Users can now update data at any time within near, provided they are within the same location.
- The display time of notification alerts has been reduced from 5 seconds to 3 seconds.
- Functional improvements have been made in the following games and applications: Unit 13, Gravity Daze, near.
- A "Notification Alert" option will be added to Settings, so you can toggle alerts on or off.

- "After 10 minutes" will be added to the time options under Power Save Settings.

- An Arrow icon will now appear when PS Vita finds new activities in the LiveArea.

- Caps Lock is now supported in the On Screen Keyboard.

You can grab the 97MB update for your PSVita right now
Update: Sony has confirmed that the update has been taken down temporarily due to a technical fault, and issued the following statement :
PS Vita system software update 1.65 has been taken down temporarily due to a technical fault.
For any customers who may have already downloaded the firmware, they can continue as normal.
We will notify you once the latest system software update is available to download again.
Update: Sony issued another statement detailing the technical fault behind taking down the update :
We identified a symptom that users can not play adhoc play in PSP titles if they download the system software,
so we have taken down the system software temporarily. The system software will be available to download again soon.
Update: PSVita System Software Update V1.66 is now live, it is also a 97MB download
Update: Sony has released details some new features of the latest 1.66 update including :
- The [System Music] setting in Settings > [Sound & Display] now affects BGM in PS Store, near and Sign-Up screens as well as the Home menu.
- When searching for location data, users now have the option to ‘Retry’ and ‘Cancel’ when a failure occurs.
- A progress bar is introduced for application installation.
- A direct link to PlayStation Store is made available for new applications that users may discover on near.
- Users can now update data at any time within near, provided they are within the same location.
- The display time of notification alerts has been reduced from 5 seconds to 3 seconds.
- Functional improvements have been made in the following games and applications: Unit 13, Gravity Daze, near.