Version 2.9.1

Version 2.9.1 is a BuddyPress security and maintenance release.

For Version 2.9.1, the database version (bp_db_version in wp_options) was r11105, and the Trac revision was r11678.

Fixes:

• Improved nonce protection for XProfile group & field actions.
• Groups: fix group description truncation length.
• Profiles: fix avatar quality when requesting large size.

See blog post: https://buddypress.org/2017/08/buddypress-2-9-1-security-release/