Kernel Log: No unstable series; Linux 2008.7; dealing with security fixes
Along with 2.6.27 development ramping up, there is a variety of other Linux kernel news. Shortly after the release of Linux 2.6.26, someone on the Linux Kernel Mailing List (LKML) asked what sort of changes – either potentially or already in the works – might give rise to a 2.7 development series. Torvalds did not even wait 20 minutes to respond, "Nothing. I'm not going back to the old model. The new model is so much better that it's not even worth entertaining as a theory to go back."
The 2.6 series of Linux kernel development, which has been going on for several years now, is well established. In the old model, a 2.7 unstable series would lead to Linux 2.8 or 3.0, just as Linux 2.3 and 2.5 prepared the way for the 2.4 and 2.6 series. This is not expected to happen now. Since none of the changes introduced in the new kernel versions would justify a jump to version 2.8 or 3.0, Torvalds is thinking about changing the numbering scheme.
He does not want to simply drop the 2.6 prefix – he and others do not like such high version numbers. That is why he is considering a model that roughly corresponds to the year and month – Linux 2.6.26 might then be called 2008.7. But he is also considering other models, in which the year influences the first and second places – the next kernel version this year might be called 2.8.1, the first version next year would then be 2.9.1, and in 2010, it would be called 3.0.1.