# title
Release Notes for Arm Compiler 6.6.1 Long Term Maintenance

# keywords[]
certified arm compiler for functional safety

# topic.label
Release Notes for Arm Compiler 6.6.1 Long Term Maintenance

# metadata.contentDescription
Arm Compiler 6.6.1 Long Term Maintenance was released on 11 May 2017. It is a qualified release suitable for use for projects with functional safety or long-term maintenance requirements. This release has been superseded by a later release and is therefore a legacy release.