Several reports on the Internet pointed out that Apple is working on a Mac OS X 10.4.10 update.

MacRumors specifically claims that Apple has recently seeded to developers builds 8R2205 and 8R205 of the update, respectively for the Intel and the PowerPC architectures.

There are no details at the moment on which are the improvements this version of Mac OS X provides.

Apple's last Tiger update was released in March. It brought several hundreds of fixes and improvements.

We can note that it's the first time the company uses the .10 subversion number. Updates of earlier Mac OS X versions has a maximum subversion number of .9, which were followed by specific application updates or security fixes.