3.5.5 (Aug 2025)

Full Changelog

Issues Resolved

• CONJ-1265 - ensure rollback and release savepoint operation to be sent to server, even when there is no transaction in progress
• CONJ-1270 - forceConnectionTimeZoneToSession doesn't always set the timezone to server

3.5.4 (Jun 2025)

Full Changelog

Key Enhancements

• CONJ-1261 - Added caching option for loadCodecs results to improve performance

Issues Resolved

• CONJ-1234 - Fixed incorrect type definitions in DatabaseMetaData.getTypeInfo()
• CONJ-1247 - Resolved potential race condition that could cause NullPointerException
• CONJ-1250 - avoids redundant queries for CallableStatement.getParameterMetaData()
• CONJ-1251 - Fixed SSL configuration issue where zero SSL settings only functioned without explicit SSL configuration
• CONJ-1252 - Resolved GSSAPI authentication error when server exchanges begin with 0x01 byte
• CONJ-1254 - Corrected DatabaseMetadata.getTypeInfo() returning incorrect values for AUTO_INCREMENT, FIXED_PREC_SCALE, and CASE_SENSITIVE fields
• CONJ-1255 - Fixed getString method on BIT(1) fields to properly honor transformedBitIsBoolean configuration
• CONJ-1259 - Enhanced metadata compatibility with MariaDB version 12.0
• CONJ-1260 - Improved performance of DatabaseMetaData.getExportedKeys method
• CONJ-1256 - Fixed issue to ensure correct catalog name is returned

3.5.3 (Feb 2025)

Full Changelog

Bugs Fixed

• CONJ-1226 Fixed issue where dates containing zero day or month resulted in a DateTimeException
• CONJ-1232 Resolved timestamp string representation incompatibility between versions 2.7 and 3.x
  • see new option oldModeNoPrecisionTimestamp
• CONJ-1226 Fixed incorrect values returned by ResultSet.getColumnType() for unsigned values
• CONJ-1241 Corrected regression in 3.x affecting column metadata for unsigned types
• CONJ-1243 Fixed CallableStatement.getParameterMetadata() returning wrong java.sql.Type for boolean values
• CONJ-1236 Prevented NPE (Null Pointer Exception) after reconnection failure in high availability configurations
• CONJ-1237 Fixed issue with incorrect statements.isClosed value after closing connection
• CONJ-1239 Disabled BULK operations when no parameters are present
• CONJ-1240 Fixed connectivity issues with databases that only accept TLSv1.3
• CONJ-1235 Modified redirection option to enable by default only when SSL is enabled

3.4.2 (Mar 2025)

Full Changelog

Bugs Fixed

bug fix report from 3.3.4

• CONJ-1237 wrong statements.isClosed value after closing connection
• CONJ-1236 ensure not having NPE after reconnection fail for high availability configurations
• CONJ-1239 disable BULK use when there isn't any parameter

3.3.4 (Mar 2025)

Full Changelog

Bugs Fixed

• CONJ-1237 wrong statements.isClosed value after closing connection
• CONJ-1236 ensure not having NPE after reconnection fail for high availability configurations
• CONJ-1239 disable BULK use when there isn't any parameter

3.5.2 (Feb 2025)

Full Changelog

Bugs Fixed

• CONJ-1216 Resolved a performance issue that occurred when batch processing on MySQL and older MariaDB (pre-10.2) servers
• CONJ-1218 Incorrect behavior where XA connections are closed when regular connections are terminated - this is against specifications
• CONJ-1217 The trustCertificateKeyStorePassword alias parameter isn’t taken into account
• CONJ-1221 DatabaseMetadata.getTypeInfo() is missing the data types UUID and VECTOR
• CONJ-1225 System throws an exception prematurely without checking all available connections
• CONJ-1228 result-set.getObject() on BLOB type returns Blob in place of byte[]
• CONJ-660 new disconnectOnExpiredPasswords connection option that controls client behavior when connecting with an expired password.
  When set to true (default), the client disconnects if it detects an expired password.
  When false, the client maintains the connection and allows setting a new password.
• CONJ-1229 Permit executeQuery commands to not return a result-set

3.5.1 (Nov 2024)

Full Changelog

Notable changes

• CONJ-1193 Implement parsec authentication
• CONJ-1207 New HaMode: sequential write, loadbalance read
• CONJ-1208 permit bulk for INSERT ON DUPLICATE KEY UPDATE commands for 11.5.1+ servers

Bugs Fixed

• CONJ-1053 Mark waffle-jna dependency optional in module descriptor
• CONJ-1196 setObject on java.util.Date was considered was a java.sql.Date and truncate hour/minutes/seconds/ms while it must be considered like a java.sql.Timestamp
• CONJ-1211 jdbc 4.3 enquoteIdentifier missing validation
• CONJ-1213 sql command ending with semicolon and trailing space are not using bulk

3.5.0 (Oct 2024)

Full Changelog

Notable changes

• CONJ-1193 Parsec authentication implementation
• CONJ-1183 permit setting specific truststore

Bugs Fixed

• CONJ-1202 Session variable setting must be executed last
• CONJ-1201 incorrect default behavior for forceConnectionTimeZoneToSession
• CONJ-1200 Batch import fails with exception "Unknown command"
• CONJ-1199 option connectionCollation addition in order to force collation
• CONJ-1187 Use different exception type for connection timeouts

3.4.1 (Jul 2024)

Full Changelog

Bugs Fixed

• CONJ-1181 Ensure Prepare cache use schema
• CONJ-1178 DatabaseMetaData.getImportedKeys return different PK_NAME value than getExportedKeys.
• CONJ-1180 Correct DatabaseMeta.getExportedKeys() performances
• CONJ-1185 Android app compatibility, regex CANON_EQ flag not supported
• CONJ-1188 database meta getSQLKeywords listing all reserved key word, not restricted keywords only
• CONJ-1189 implementation of pinGlobalTxToPhysicalConnection for XA Connection
• CONJ-1190 Adding MySQL option 'databaseTerm' as alias for useCatalogTerm for compatibility
• CONJ-1191 slow metadata getImportedKeys when not having database set
• CONJ-685 permit setting sslMode per host
• CONJ-686 Allow mixing TCP and socket hosts in failover configuration
• CONJ-1068 ResultSetMetaData.getColumnTypeName() returns VARCHAR instead of TINYTEXT
• CONJ-1182 missing XA_RBTIMEOUT,XA_RBTIMEOUT and XA_RBDEADLOCK error mapping

3.3.3 (Feb 2024)

Full Changelog

Bugs Fixed

• CONJ-1050 regression in 3.x.y: nonparameterized batch "INSERT INTO products( name ) VALUES ( 'aaaa' )" fails
• CONJ-1150 Error using PrepareStatement.setURL with null url
• CONJ-1152 Improve message when reaching socket timeout during connection initial commands