- 9/10: initial release version 0.1
- 5/11: release version 0.1.2
- 6/11: Added encoder (version 0.1.2) as well
- 7/11: Updated WebP with head change#Ia53f845b
- 8/12: release version 0.2.0-rc1 (head change#Ia5475247)
-     : Updated WebP with head change#I3da2063b