You're reading it right, Linux kernel 4.12.1 is here, which means that the Linux 4.12 kernel series is now ready for production use, and OS vendors can start downloading the source tarballs, compile it for their supported hardware architectures, do some testing to see if everything works well, and then push the update to the software repositories for users to update their installations.
"I'm announcing the release of the 4.12.1 kernel. All users of the 4.12 kernel series must upgrade. The updated 4.12.y git tree can be found at: git://git.kernel.org/pub/...
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