Default ZTE Open (Inari) Build Versions & Issues

Official ROMs:

v1.0 - ZTE
Everything works.
Touch input feels wrong.

v1.1 - ZTE
Everything works.
Touch input feels wrong.

v1.2 - ZTE
Bug: Notifications tray can't be pulled down.
Touch input improved over v1.0 and v1.1

SVN Compiles:

Link -> v1-train (2014-03-05_userdebug)
Everything works.
Touch input better than ZTE v1.0, v1.1, v1.2

Link -> v1.2 (2014-01-08_userdebug)
GPS non-functional.
Touch input improved over v1-train.

Link -> v1.3 (2014-06-26_userdebug)
GPS non-functional.
Touch input improved.
APZ with tiles works perfectly, rendering smoother than previous versions.

Link -> v1.4 [2014-06-26_userdebug (18.33.19)]
Gaia incredibly unstable. Apps crash almost instantly upon launch/interaction. Turn APZ/hwcomposer/Tiles off for increased stability (still unstable).
Messaging & phone appear to be the only stable apps.
Gaia shell unstable and will crash repeatedly [if APZ/hwcomposer/Tiles are on].
GPS non-functional.
Proximity Sensor non-functional in speakerphone.
Touch input improved over previous versions. Especially noticeable in keyboard accuracy.

Link -> v2.0 [2014-06-27_userdebug (18.34.51)]
Gaia does not draw windows/controls properly with hwcomposer and APZ/Tiling on. Off seems to be almost entirely stable, better than v2.1 currently.
GPS non-functional.
Home Orb light non-functional after 1st device reboot.
Touch input improved over previous versions. Especially noticeable in keyboard accuracy.

Link -> v2.1 [2014-07-31_userdebug (02.12.32)]
Gaia unstable with Tiling on.
GPS non-functional.
Home Orb light non-functional.
Proximity Sensor non-functional during speakerphone.
Device prone to crashing after flash if not rebooted. Recommend rebooting immediately following flash.
Touch input improved over previous versions. Especially noticeable in keyboard accuracy/speed.
hwcomposer, AP/Z, Overscrolling, Simple Tiling, low-precision painting/transparency, lead to stable Gaia and NO draw errors/failures.