All deprecated code should be removed. List of deprecated items: Data: - SQLParser::parseSQLString - RecordSet::totalRowCount - SQLChannel::PROP_ASYNC Foundation: - AbstractObserver::accepts(Notification* pNf, const char* pName) - DirectorySeparator::operator++ (postfix operator) - Dynamic::Var::empty - DynamicAny - Event::Event(bool autoReset) - FIFOEvent - FIFOStrategy - HashFunction - HashStatistic - HashTable - NObserver::accepts(Notification* pNf, const char* pName) - NumericString::uIntToStr - Observer::accepts(Notification* pNf, const char* pName) - SimpleHashTable Net: - HTTPResponse::HTTP_USEPROXY - HTTPResponse::HTTP_REQUESTENTITYTOOLARGE - HTTPResponse::HTTP_REQUESTURITOOLONG - HTTPResponse::HTTP_UNSUPPORTEDMEDIATYPE - NetworkInterface::NetworkInterfaceList - Socket::select Applications can define `POCO_SILENCE_DEPRECATED` to disable Poco deprecation warnings if needed.