Most annoyingly without internal browser support help hovers in your text editors use a fallback mode not rendering links or images.
To solve this issue you may first check the SWT FAQ. For me working on gentoo linux the following command fixed the problem:
emerge net-libs/webkit-gtk:2It is important to not only install the latest version of webkit-gtk which will not be recognized by Eclipse. After installation restart eclipse and your browser should work. Verified on Eclipse Neon.