- 9/10: initial release version 0.1
- 8/12: release version 0.2.0-rc1 (head change#Ia5475247).
- 3/13: Updated WebP with head change#I9e5ae737
- 8/13: release version 0.3.1 (head change#Idea3464b).
- 8/13: Updated WebP with patches required for Animation
        (#I737451d7f, #Ia300385a & #I9566a8e2).
- 1/14: release version 0.4.0-rc1 (change#I22be12d8).
- 7/14: release version 0.4.1-rc1 (change#I5346984d2).