For commercial customers wanting to stick to legacy Ubuntu Long Term Support (LTS) releases, Canonical will now provide the paid support for up to 15 years. This 15 year support window goes into effect with Ubuntu 14.04 LTS and newer LTS versions.
More info: https://www.phoronix.com/news/Ubuntu-LTS-Canonical-15-Years
More info: https://www.phoronix.com/news/Ubuntu-LTS-Canonical-15-Years

