There's also M-x report-emacs-bug (also accessible from the menu Help -> Send Bug Report... which (somewhat) automates bug reporting. It also populates all the

There's also M-x report-emacs-bug (also accessible from the menu Help -> Send Bug Report... which (somewhat) automates bug reporting. It also populates all the information useful for devs. The reporting address seems to be bug-gnu-emacs at gnu.org