Subject: Re: bug#25851: 25.2; GTK warning when starting Emacs when desktop file has more than one frame

From: Eli Zaretskii <[email-masked]>
Date: Sat, 25 Mar 2017 09:26:01 +0300

> From: [email-masked] (N. Jackson)
> Cc: Eli Zaretskii <[email-masked]>,  [email-masked]
> Date: Fri, 24 Mar 2017 16:28:54 -0400
> 
> These antics are different from with Emacs 25 where I never see a
> light-colour-scheme frame unless I start with `-Q'.

Could be the result of double-buffering implemented on master.  What
was the date your previous master-derived version was built?  If that
was before January, it could be before double-buffering was pushed.
Try disabling that via initial-frame-alist in your .emacs and see if
doing that helps.