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What was your experience with Ext? I had to use it for a few years, and was never a huge fan. We ran into a lot of obscure bugs in their code which resulted in a number of hackaround "Ext.Overrides," and their support forums (Mitch Simmeons in particular) is a joke.

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Which version did you use?

I only used ExtJS 4 and 4.1

I liked their API documentation and the xtypes that allowed for declarative Views. React reminded me of this later.

I started on 3(.5?) and helped with a migration to 4 (which was a disgusting mistake of a process on our end). I like the format of their docs -- JSDuck was my favorite docset for a quite a while. I also enjoyed their methodology for constructing views and view hierarchies. Ultimately, I'd say I was a fan of what they were doing, I just think the implementation was rather shoddy, and the docs were frequently wrong or outdated, and (as mentioned) support was not good. When I got to React, it actually did bring back some memories of Ext, but without the full MVC hierarchy around views.

Ah yes.

I read about those problems.

First they changed the license then the switch from 3 to 4.

This cost them many customers.

I started with 4, so I didn'T encounter these problems.

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