Textron Aviation has released the ME-TP-0018 Model Communique; it can be viewed here (a Textron Aviation account is required, registration is free). Highlights are listed below, view the communique for full details.
Chapters include:
21: King Air
30: Reusing De-ice Boots – Not recommended.
31: Pro Line Fusion Adaptive Flight Display (AFD) 3700 Release of Collins – updated your AFDs for increased system reliability.

32: Main Landing Gear Static Wick Removal Kit – kit has been developed to remove the static wick from the main landing gear installed between the wheels on the King Air
34: SAIB – Navigation: Transponder System – at this time, the airworthiness is not an unsafe condition that would warrant an Airworthiness Directive.
34: Pro Line Fusion Upgrade to Phase 3 software – Textron Aviation has released an upgrade for Pro Line Fusion phase 1 and 2 aircraft software to phase 3.