Linus Torvalds has released the new 2.6.25 kernel just slightly behind schedule. Besides improvements to the CFS scheduler and a plethora of new drivers, the kernel also introduces a political aspect: it debars non-GPLd USB drivers.
A recent survey by the Linux Foundation (LF) on Linux kernel development shows that the number of kernel developers has tripled in the last three years. In most cases the developers' work is funded by corporate sponsorship.
Andrew Morton had a dream: a new kernel tree which would make kernel development easier to follow and more efficient. He looked for a maintainer and found one in Stephen Rothwell.
A controversial patch for the imminent kernel 2.6.25 is causing much debate in the developer community: in a similar move to one he made two years ago, the well-known kernel developer Greg Kroah-Hartman has submitted a patch that prevents closed source USB drivers from using the kernel's USB driver API.
Look here for archived tutorials and talks from USENIX Security '08. Each comprises a video and recorded presentation slides which are shown parallel to the talk.