Parental controls:

 

You can set a 4-digit PIN that must be entered to access the store and web browser on your eReader.

To turn it on, go to Settings and select Accounts.

 

Indented table of contents:

 

If your book's table of contents contains multiple levels, it will be indented for better readability.

 

Search improvements:

 

Typing is now more responsive when searching.

Wi Fi now reconnects more quickly before you search the store, allowing search suggestions to appear as you type.

 

Fixed:

 

Previously, when reading .MOBI books, your progress was not remembered.