When I saw Sencha Touch in action for first time, I thought „Wow, it’s a really powerful tool!” Some time later I came here (to Codeworx) and I was really excited about working in project that uses Sencha Touch (Appyourself). The more I was getting familiar with Sencha, the more I was able to see some weaknesses of this framework. For example, Sencha Touch 1 was sometimes having troubles with a correct access to DOM elements and we had to do it manually.
Another thing was when apps became bigger, loading time wasn’t satisfying at all. Especially in this case, when user could have many modules (views). All this made us to start looking for solution which would improve the performance.
Fortunately we didn’t have to wait long, new Sencha Touch was released. Quick preview and I thought „Looks promising!” Performance boost, nice handling with DOM, etc.