Version-History.md

 What's more for every version?
 
+#### V2.1.0
+
+1. Support customize numbers and positions of pieces and boom-buttons.
+2. Support [draggable](https://github.com/Nightonke/BoomMenu/wiki/Attributes-for-BMB-or-Pieces-on-BMB#for-draggable-bmb).
+3. Support fade-views on BMB.
+4. Support [3D animations](https://github.com/Nightonke/BoomMenu/wiki/Other-Animations-Attributes-for-Buttons#3d-animation) of boom-buttons.
+5. Correct some orders of piece-placing and button-placing. Now pieces and boom-buttons are placed from left-top to right-bottom.
+6. Support [auto-boom and auto-boom-immediately](https://github.com/Nightonke/BoomMenu/wiki/Control-BMB) of BMB, which is helpful when BMB is supposed to boom at start-up.
+
+#### V2.0.9
+1. Now BMB supports to dynamically change contents in boom-button even when they're already boomed out.
+2. Optimize the structure of builder with generic types.
+3. Add methods to set text color with resource of color.
+
 #### V2.0.8
 1. Delete the blank after the enum of button place enum of ham button.
 2. Fix a little bug of inclined distance of pieces.