Default HP Slatebook X2 - maya - development thread (recovery,root)

This is a development thread, if your question belongs to general topic, please check the General topic

TWRP is fully working - selinux is available
Root is available via two methods : with cable improved here (great work guys) or without by using Towelroot
Root is NOT available on the latest OTA release

Recovery, root and unlock
TWRP 2.8 Recovery (flashable)

Partition infos
Data cable ref : 728141-001 SPS-Micro USB to USB - Mandatory to unlock bootloader and flash custom rom Picture

With your bootloader unlocked (by cable), flash the supersu zip linked here
If you didn't update to 4.3, you can root with Towelroot v1 (thanks to mrzood for hosting)
once root, you can unlock your bootloader if not yet done.

Unlocking bootloader
With a cable : fastboot -i 0x03F0 oem unlock. WARNING: this will reset your tablet to factory default and loose all your data
By flashing a file, you need to be root : all info there (great work guys)

Prerooted latest OTA Rom
4.3-17r20-05-24 STOCK ROOTED : Thanks juanig (mirror by mrzood)

HP has released 4.2.2 source code here and mirrored here
HP has now released 4.3 source code here mirrored here (thanks Scratz)
My device tree

Archives :
TWRP 2.7.0 Recovery (flashable) (thanks to Juanig for testing)
CWN recovery - booting but partially working
TWRP - booting but partially working
HP Slatebook X2 - Development thread - General topic
HTC One mini M4