Set Harth wrote:
The show's proven itself unwilling or incapable when it comes to consistency with the EU
Not entirely. "Witches of the Mist" acknowledges the EU by dealing with the Iridonia plothole.
Maul's robotic legs being based on the original comic appearance. Although that probably doesn't count since that story doesn't seem to be canon in the first place.
In "Storm over Ryloth" Ahsoka used Marg Sabl maneuver, on a droid commander to devastating effect. It's the same maneuver Grand Admiral Thrawn used on an Elomin commander's taskforce.