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EasyAR SDK 2.2.0 dramatically improves image tracking. The ImageTracker is more stable and less likely to lost, and pose jitter has been reduced. You can choose different modes of ImageTracker to balance tracking performance and quality, which will give the best quality by default.

Detailed changes are as bellow,

+ optimized image tracking
+ added new API for ImageTracker mode selection
* fixed crash when using non-ASCII characters in Java interface
* fixed loading and tracking for some type of PNG images on some hardware
* fixed camera open fail when using multiple camera instances in some conditions
* fixed camera open crash when the same camera was already opened
* fixed Recorder zoom mode do not work
* fixed Recorder close may crash in some conditions