Subject: bug#19564: 24.4; eieio backward compatibility

From: Dmitry Gutov <[email-masked]>
Date: Tue, 13 Jan 2015 17:54:42 +0300

On 01/13/2015 05:50 PM, Thierry Volpiatto wrote:
> No, but that's mean that now with these recent changes all people using
> helm will have errors in their helm packages when switching
> emacs-version until they reinstall all;

That's not ideal, but it's happened with some previous releases, too.