This is the ‘normal’ version you should use.
- Heron 1.0.6 (Download)
The Release Notes show the changes that went or are planned for each release.
This is the current Heron development (“Subversion trunk”) version and is newly generated whenever a Heron-developer commits code.
- Heron Unstable (Download)
- Find the latest GeoExt release on the GeoExt site.
- Find the latest OpenLayers release on the OpenLayers site.
- Find the Ext JS v3 release (latest: 3.4.1.1) on the Sencha Download page
- Do not (yet) use Ext JS v4 !!