[Radiant] Ruby 1.9.2 / Rails 3 support

[Alpha Sisyphus]

Does the latest stable Radiant version 0.9.1 (as of 2011.03.26)
support the latest stable ruby / rails version (1.9.2p180 / rails
3.0.6)?

Is it safe to run Radiant 0.9.1 with 1.9.2p180 / rails 3.0.5?

Thanks,
Alpha