The list below details the changes in specific options/variables within MySQL 5.6
innodb_additional_mem_pool_size
Deprecated from version 5.6.3
innodb_file_format
Value parameters were changed from version (5.6.1)
Default is now Antelope
innodb_file_per_table
Value parameters were changed from version (5.6.1)
Default is now OFF
innodb_locks_unsafe_for_binlog
Deprecated from version 5.6.3
innodb_log_file_size
Value parameters were changed from version (5.6.3)
Default is now 5242880, minimum is not specified, maximum is not specified
innodb_purge_batch_size
Value parameters were changed from version (5.6.3)
Default is now 300, minimum is not specified, maximum is not specified
innodb_purge_threads
Value parameters were changed from version (5.6.2)
Default is now not specified, minimum is not specified, maximum is not specified
Value parameters were changed from version (5.6.5)
Default is now 1, minimum is not specified, maximum is not specified
innodb_sort_buffer_size
Value parameters were changed from version (5.6.4)
Default is now not specified, minimum is not specified, maximum is not specified
Value parameters were changed from version (5.6.5)
Default is now not specified, minimum is not specified, maximum is not specified
innodb_stats_sample_pages
Deprecated from version 5.6.3
innodb_use_sys_malloc
Deprecated from version 5.6.3
language
Deprecated from version 5.6.1
master-retry-count
Deprecated from version 5.6.1
optimizer_switch
Value parameters were changed from version (5.6.2)
Default is now not specified
Value parameters were changed from version (5.6.3)
Default is now not specified
report-port
Value parameters were changed from version (5.6.5)
Default is now not specified, minimum is not specified, maximum is not specified
secure-auth
Value parameters were changed from version (5.6.4)
Default is now OFF
Value parameters were changed from version (5.6.5)
Default is now ON
thread_concurrency
Deprecated from version 5.6.1
