Bugs Fixed
Due to an incompatible upstream change that went in unnoticed, the page cleaner thread would attempt to replay any file operations it encountered. In most cases this were a no-op, but there were race conditions for certain DDL operations that would have resulted in server crash. Bug fixed #1217002.
apt-get upgrade of Percona Server would fail in post-installation step if server failed to start. Bug fixed #1002500.
Fixed the libssl.so.6 dependency issues in binary tarballs releases. Bug fixed #1172916.
Percona Server could crash server could crash while accessing BLOB or TEXT columns in InnoDB tables if Support for Fake Changes was enabled. Bug fixed #1188168.
A server could crash due to a race condition between a INNODB_CHANGED_PAGES query and a bitmap file delete by PURGE CHANGED_PAGE_BITMAP or directly on the file system. Bug fixed #1191580.
Other bug fixes: bug fixed #1191589.