Linux kernel version 4.9.290 is now available:

Full source:    https://cdn.kernel.org/pub/linux/kernel/v4.x/linux-4.9.290.tar.xz
Patch:          https://cdn.kernel.org/pub/linux/kernel/v4.x/patch-4.9.290.xz
PGP Signature:  https://cdn.kernel.org/pub/linux/kernel/v4.x/linux-4.9.290.tar.sign

You can view the summary of the changes at the following URL:
https://git.kernel.org/stable/ds/v4.9.290/v4.9.289