New answers tagged geoext
No, GeoExt 2.0.2 (https://github.com/geoext/geoext2/releases/tag/v2.0.2, released two days ago) isn't compatible with ExtJS 5. There is ongoing work towards a version of GeoExt2 which does suppport ExtJS 5: https://github.com/geoext/geoext2/pull/274 You may be able to use the intermediate code in that branch to see if it helps with the popup, but again, it ...
Make sure you have queryable: true in your layer config.
Previous answer is parcially correct. You have to use a html tag. the easy way to do it, since the content of the featur info window is fetched by geoserver is using a getfeatureInfo template; in the content.ftl you should put someting like : <ul> <#list features as feature> <li><b>Point of interest, ...
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