A picture says more than a thousand words:
These users aren't called "Bhargav Rac" and "Tunak", but Bhargav RaoBhargav Rao and TunakiTunaki.
This happens on both the 'apps''apps' and 'scripts''scripts' tabs of the Stack Apps homepagethe Stack Apps homepage. Tested on Firefox and Safari on macOS, and Internet Explorer on Windows 8 (but there, the truncation is slightly less).