We've just tagged Release Candidate 2 of Prototype 1.7, with the intent of putting out a final 1.7 release very soon.

In addition to the usual bug fixes, RC2 includes a late addition: the Element#purge method, used to dispose of an element (remove its event handlers and storage keys) before removing it from the page.

In addition, Element#update now performs a similar cleanup process on content that will be replaced via innerHTML. Both these additions should help keep memory usage down, especially for apps that create and destroy lots of DOM nodes.

Consult the CHANGELOG for further details.

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Thanks to the many contributors who made this release possible!