Sat. 1st October, 2011
TYPO3 4.6 will include features that have been back ported from FLOW3 and TYPO3 Phoenix, such as an updated caching framework and the incorporation of XLIFF support. In addition, new features were added and many improvements were made to overall performance, rendering this version of TYPO3 more powerful for the admins, integrators, and editors who rely on TYPO3 on a daily basis.
This is a companion discussion topic for the original entry at https://typo3.org/article/a-brief-introduction-to-typo3-version-46/