This update for links to version 2.15 fixes the following issues:

- CVE-2017-11114: Buffer over-read vulnerability in case of corrupted UTF-8 data (boo#1051448)

This update also contains a number of upstream improvements:

- Rewrite google docs URLs to the download link, so that the file can be viewed in external viewer
- Improved handling of compressed connections and content
- various other bug fixes and improvements