Umbraco versioning and release cadence

Minor release: every 6 weeks

Major release: every 6 months (type: STS)

Every 4th major version will be a LTS.

STS: Standard-time Support (EOL 1 year)

LTS: Long-term Support (EOL 3 years)

EOL: End of life (no more support or patches)

All of the information regarding Umbraco versioning and release cadence can be found here.