https://crawl.develz.org/wordpress/0-31-the-alchemy-of-forms
Quick links from the blog post:
Changelog/github release: https://github.com/crawl/crawl/releases/tag/0.31.0
Download: https://crawl.develz.org/download.htm
Tournament page: https://crawl.develz.org/tournament/0.31/
(I had to force refresh my browser for the download page to update, ctrl+f5 in most browsers)