We have just released new, 1.2 version of eZ Tags extension.
This is a version that, besides maintenance changes and bugfixes, adds many new features, including:
For full list of changes, read the CHANGELOG file in the archive.
You can download the new version of eZ Tags on the Downloads page.
Also, check out our blog post detailing the changes in versions 1.1 and 1.2 of eZ Tags.