NDB Cluster: More descriptive warnings are now issued when inappropriate logging parameters are set in config.ini. (Formerly, the warning issued was simply Could not add logfile destination .) (Bug#11331)

libmysqlclient now uses versioned symbols with GNU ld. (Bug#3074)

The length of a VARCHAR() column that used the utf8 character set would increase each time the table was re-created in a stored procedure or prepared statement, eventually causing the CREATE TABLE statement to fail. (Bug#13134)

RPM packages had an incorrect zlib dependency. (Bug#15223)

STR_TO_DATE(1,NULL) caused a server crash. (CVE-2006-3081, Bug#15828)

The --replicate-do and --replicate-ignore options were not being enforced on multiple-table statements. (Bug#15699, Bug#16487)

Running out of diskspace in the location specified by the tmpdir option resulted in incorrect error message. (Bug#14634)

Test suite func_math test returned warnings when server not compiled with InnoDB support. (Bug#15429)

The MBROverlaps GIS function returned incorrect results. (Bug#14320)

A CREATE TABLE ... SELECT ... on an equation involving DOUBLE values could result in the table being created with columns too small to hold the equation result. (Bug#9855)

UPDATE statement crashed multi-byte character set FULLTEXT index if update value was almost identical to initial value only differing in some spaces being changed to  . (Bug#16489)

Single table UPDATE statements without ORDER BY clauses which updated the same indexed column that was being filtered on were optimized with a full index scan instead of a more appropriate index range scan. (Bug#15935)

A prepared statement created from a SELECT ... LIKE query (such as PREPARE stmt1 FROM 'SELECT col_1 FROM tedd_test WHERE col_1 LIKE ?';) would begin to produce erratic results after being executed repeatedly numerous (thousands) of times. (Bug#12734)