As you may know Apple have released Mac OS X 10.9 Mavericks during their keynote last night.

It is available for free on the Mac App Store as of now.

Apple has given us developers early access to the new release to give us time to test compatibility and take advantage of new features. We have over the past months quietly released a few minor updates to address compatibility issues and at the time of writing this all our current software titles are Mavericks-compatible.

As always, however, problems that are not apparent “in the lab” can start popping up when a new version is released into the “wild”, so if you encounter any problem, please let us know at support@publicspace.net and do not rely on other people to do so.. most people wait for “somebody else” to report the problem and then months later frustrated users post a “I can’t believe they still haven’t fixed this!” review.. while all the while developers are blissfully unaware of anything being amiss.. please just drop us a line.

There is one known problem for Vitamin-R on Mavericks that affects only multiple display setups.

Mavericks is the first Mac OS release ever to feature “multiple menu bars”; this is to make it easier to select items in the menu bar without having to mouse back to the main screen all the time. Unfortunately, Mac OS X was never designed to work that way and while Apple’s implementation works it leaves much to be desired.

The main problem is that menu bar items, such as Vitamin-R’s (R) icon appear in multiple different places at once, but Apple hides this fact from the program. As a result, programs only get to know one location for the menu item, but it exists in two or more places. On top of that which location the program is made aware of seems pretty random and is not documented.

All this makes it hard to position popup menus such as Vitamin-R’s or indeed Fantastical’s or Dropbox’s accurately.

We’ve done our best, but with only a single beta tester, we are not entirely certain that it works for everyone. We thought we’d have a little more time to test this before releasing it, but with yesterday’s surprise announcement, we’ll be releasing an updated version of Vitamin-R today.

Let us know if you run into problems!