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Now available: http://vanillaforums.org/addon/vanilla-core-2.2rc1
Please see the beta discussion for details.
I expect a release date in the range of Nov 2-4. Barring new critical bug reports, I do not expect further work except security updates prior to then. Please test this release thoroughly and report issues on GitHub promptly.
The 2.3 release cycle will likely begin before the end of the year.