# Release Notes
## v1.0.0 - 2022.11.11

## v2.0.0 - 2022.11.21
- Change paradigm of all methods.
- Change name of enum "AttenuatorErrorCode" to "AttenuatorStatus"
- Remove "bool HILLAB::AttenuatorHandler::IsConnected()", "bool HILLAB::AttenuatorHandler::GetLastErrorCode()".
- Add enum properties "HILLAB::AttenuatorErrorCode::SERIAL_CLOSED", "HILLAB::AttenuatorErrorCode::SERIAL_TIMEOUT", "HILLAB::AttenuatorErrorCode::SERIAL_UNDEFINED_ERROR".
- Remove enum property "HILLAB::AttenuatorErrorCode::SERIAL_ERROR".
- Support Win32(x86).

## v2.1.0 - 2023.01.30
- Deploy debug mode library('d' as a suffix).
- Fix linking typo of example project.

## v3.0.0-beta - 2023.03.02
- Remove offset management(HILLAB::AttenuatorHandler::GetOffset, HILLAB::AttenuatorHandler::SetOffset); offset now should be managed by user.
- Change arguments of "HILLAB::AttenuatorHandler::GetTransmittance" and "HILLAB::AttenuatorHandler::SetTransmittance"
- Add "HILLAB::AttenuatorHandler::MechanicalCalibration"