CyanogenMod is finally starting to focus on CM13 and has recently been cranking out nightlies for lots of devices. This is huge news for owners of older devices as many of the devices now supported have long ago been end of lifed by their OEM. While OEMs won't be updating your older device further you can always rely on the development community to keep you on the latest build of Android.
Nightlies are now available for the Sprint and AT&T versions of the Galaxy S4, Verizon HTC One M9, and the Galaxy Note 10.1 LTE. While these builds will bring your device up to Android 6.0 marshmallow you should keep in mind that these are nightly builds and as such may contain some bugs. Head to the link below for the downloads.
via Get.Cm