We have released the Yocto Thud image for Intel Edison. A binary 64 bit version is also provided for a quick test. With this release the Linux kernel is at 5.2.0 and U-Boot at v2019.04.
You can read about other new or improved features here: https://edison-fw.github.io/meta-intel-edison/0.6-News.html.
The complete documentation can be found here: https://edison-fw.github.io/meta-intel-edison/.
Development will now continue with Yocto Warrior, starting with Linux kernel 5.3 and U-boot v2019.07 here: https://github.com/htot/meta-intel-edison/tree/warrior.
Documentation here: https://htot.github.io/meta-intel-edison/.
Patches are welcomed!