Bugs fixed
Database directories were not removed if DROP DATABASE happened during the backup. Bug fixed #1461735.
Backup would fail if Store backup history on the server feature was enabled and backup was taken from server without binary log enabled. Bug fixed #1509812.
Percona XtraBackup now fails with descriptive error message if --defaults-extra-file is not specified first. Bug fixed #1511451.
Backup would fail if --rsync option was used without specifying temporary folder. Bug fixed #1511701.
Fixed Percona XtraBackup crash which happened when it was used for SST on MariaDB Galera Cluster caused by double free of datadir‘ variable. Bug fixed #1512281.
--move-back did not respect the innodb_log_group_home_dir and innodb_data_home_dir options which caused ib_logfiles and data files not to be moved to correct location. Bug fixed #1512616.
xtrabackup_binlog_info was not updated correctly when applying incremental backups. Bug fixed #1523687.
When using a --defaults-file option Percona XtraBackup would complain about datadir being mismatched if it wasn’t explicitly set in the defaults file. Bug fixed #1508448.
Fixed build issues by adding missing check in cmake script for xxd presence. Bug fixed #1511267.
Percona XtraBackup would terminate backup process without error if --slave-info option was used on a server not running as a replication slave. Bug fixed #1513520.
innobackupex when used with --stream option would create an empty directory with a timestamp as a name. Bug fixed #1520569.
Other bugs fixed #1523728 and #1507238.
