Unlike many other competitive systems in the CMS landscape, TYPO3 has an unarguable reputation of being very flexible and open in regards to customization. The internal architecture, several public APIs and hooks/signals allow PHP developers to build solutions that perfectly meet their clients’ needs. At the same time, LTS releases often introduce new state-of-the-art technologies, which make working with the CMS an enjoyable journey for developers. TYPO3 v9 LTS offers similar advantages and the following paragraphs describe highlights for integrators and developers.
This is a companion discussion topic for the original entry at https://typo3.org/article/typo3-v9-lts-you-re-the-one-that-i-want