Paul Jones notes the release of the latest version of the Solar framework with version 0.23.0 and some cool new features, specifically an enhancement for its Ajax support.
The new release is out; you can download it from the usual location. As always, you should read the full change notes.
This release of Solar includes new Prototype and Scriptaculous ("Protaculous" ;-) Ajax support in the form of view helpers, ext/json compliant JSON support, and a new plugin-aware Markdown engine.
He details out the changes, talking about a few things that are broken (backwards compatibility), the "Protaculous" support, JSON support, and the implementation of Markdown support.