Playback recently announced that UK versions of BSG single season Blu-ray sets will be released on February 15 (
Season 1 and Miniseries,
Season 2,
Season 3,
Season 4.0 and Razor,
Season 4.5/The Final Season). A UK Blu-ray of "The Plan" has yet to be announced, however.
Meanwhile, the US Blu-ray of
Season 1 (incl. Miniseries) hit the shelves earlier this month, and
Season 2 will be out on April 6. It's not known when Seasons 3 and 4.0 will be released on Blu-ray.
Season 4.5 and
The Plan have been available for more than six months, of course.
P.S.: As with the Complete Series Blu-ray sets, the UK and US versions of the existing and upcoming Blu-ray season boxes differ in packaging only.