The Certificates Manager window doesn't take advantage of the extended screen area that is gained after maximizing the window. The "white area" is still fixed to the default size. Since almost none of the columns are wide enough to fit its content, it would be appreciated to be able gain more size by maximizing the window.
PSM. This makes this dialog unusable on high-resolution screens.
Works for me with the 12/19 build. ftp://ftp.mozilla.org/pub/mozilla/nightly/latest/mozilla-win32-installer.exe
Yes it works now.