亚马逊有有很长一段时间没有对第一代 Kindle Paperwhite（KPW）的固件进行更新了，此次更新颇为意外，抱怨被亚马逊抛弃的小伙伴们快给你的 KPW 升个级吧！
- Support for Family Library
With Family Library, you can link two Amazon accounts and share books on your Kindle Paperwhite and other compatible Amazon devices and apps. To learn more, visit Family Library.
- Support for Kindle FreeTime Unlimited
Kindle FreeTime Unlimited is an optional monthly subscription for Kindle FreeTime that offers thousands of books for children ages three- to eight-years-old.
- Word Wise – See Hints for Difficult Words
With Word Wise, you can see simple definitions and synonyms displayed inline above more difficult words while you read. Word Wise makes it easier to understand challenging books more quickly.
- X-Ray Improvements
Explore the “bones of a book” with an improved timeline and the ability to browse images and filter by Notable Clips.
- Deeper Goodreads Integration
Goodreads on Kindle makes it quicker to access and update your reading status and adds the ability to preview and purchase books without leaving Goodreads.
- Periodical Improvements
You can access up to 40 magazine back issues from the cloud on your device. Multiple issues of the same periodical are now collected together.