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- fixed SF# 2186643: Data::Statement::reset() not implemented in 1.3.3 
- better error reporting in Data MySQL connector (patch #2881270 by Jan "HanzZ" Kaluza) 
- fixed SF# 2876179: MySQL Signed/Unsigned value bug 
- upgraded to SQLite 3.6.20 
- Upgraded to SQLite 3.6.13 
- improved SQLite error reporting 
- Poco::Data::SessionPool: the janitor can be disabled by specifying a zero idle time. 
- added Poco::Data::SessionPool::customizeSession() 
- added support for different SQLite transaction modes (DEFERRED, IMMEDIATE, EXCLUSIVE) The transaction mode can be set with setProperty("transactionMode", mode); where mode is one of "DEFERRED", "IMMEDIATE" or "EXCLUSIVE". Note that mode must be passed as a std::string. 
- Data::SQLite: added support for automatic retries if the database is locked. Automatic retires can be enabled with setProperty("maxRetryAttempts", nAttempts); where the number of attempts must be an int. Retry behavior can be further  customized using the minRetrySleep and maxRetrySleep properties. See Poco::Data::SQLite::SessionImpl for more information. 
- improved SQLite data type mapping 
- Upgraded to SQLite 3.6.2 
- fixed SF# 1871946: no exception thrown on error 
- fixed SF# 2007486: Please clarify license for Data/samples/* 
- fixed SF# 2019857: Memory leak in Data::ODBC Extractor 
- fixed SF# 2118943: out_of_bound access in Poco::Data::BLOB:rawContent 
- fixed SF# 1891132: Poco::Data::StatementImpl::executeWithLimit is not correct 
- fixed SF# 1724388: ODBC Diagnostics 
- fixed SF# 1804797: ODBC Statement multiple execution fails 
- fixed SF# 1803435: SessionPool onJanitorTimer called too often? 
- fixed SF# 1851997: Undefined Behavior in ODBC::Preparation 
- updated SQlite to 3.5.5 
- fixed SF# 1739989: Data::RecordSet::operator = ()  
- fixed SF# 1747525: SQLite, Transactions and Session Pooling 
- upgraded to SQLite 3.4.1 
Release 1.3 of the POCO C++ Libraries is the first official release containing the Data library. The Data library has been available in a development state for the 1.2 release. For the 1.3 release, a few things have been changed in an incompatible way that requires changes to existing code.