Since the game was released. This is the list of Angry Birds Action! updates with new levels, bug fixes, and more.
Version 2.6.2 is the last update as Angry Birds Action! is a finished game. It was only meant to promote The Angry Birds Movie. 
Version 2.6.2 - August 1, 2016
- Major bug fixes improvement
Version 2.4.3 - July 11,2016
- Add more 90 new levels with exclusive track "Action!" by De La Soul.
- The island selection was removed and replaced with the switch button on the bottom-right corner.
- The light source changed the direction.
Version 2.3.0 - June 22, 2016
- The pigs are taken over the Bird Island, the levels like Collect Candies and Soccer were replaced with Pigs and Soccer Pig levels.
- The Power-Ups textures were updated.
- The Power-Ups houses on Piggy Island were removed.
Version 2.2.0 - June 9, 2016
Version 2.1.0 - June 6, 2016
- New bird level system, collect XP and upgrade your birds to level up your game
- Daily prizes
- Bug fixes and tweaks
Version 2.0.8 - May 18, 2016
Version 2.0.6 - May 10, 2016
Version 2.0.3 - May 3, 2016
Version 2.0.1 - April 28, 2016
- Angry Birds Action! was released worldwide. The plot storyline was removed.
Version 1 (Soft-Launched)
Version 1.9.4 - April 27, 2016
Version 1.9.0 - April 15, 2016
Version 1.8.0 - April 3, 2016
Version 1.6.0 - February 16, 2016
- Angry Birds Action! was released in New Zealand as a soft-launch for iOS with 90 levels.
- ↑ http://www.angrybirdsnest.com/forums/topic/rovio-games-and-their-statuses/#post-162382