HI,
After building a custom plugin with CKbuilder the pluging works but the icon that I selected for the button. Dialog opens on button click does not appear ( icons: timestamp.png'),. When I just add a new pluing to the plugins directory (not building) and use the old way of displaying icons: icon: this.path + 'images/timestamp.png', it works! Would be nice to completely build a custom CK with the builder.
Are there some additional steps that I have to do here?

Apparently no solution. So I
Apparently no solution. So I have just minifyied the custom plugin for production.
All CKEditor official plugins
All CKEditor official plugins somehow works, so of course there's a solution. See e.g. https://github.com/ckeditor/ckeditor-dev/blob/master/plugins/smiley/plugin.js - note that plugin defines its icon in the 'icons' property.
Piotrek (Reinmar) Koszuliński
CKEditor JavaScript Developer
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