When one changes the layout from "Small screen" to "Three columns" only two columns show up. The summary column is missing.
Changes related to this bug have been committed. Please check latest Git and update the bug accordingly. You can also get the patch from: http://git.claws-mail.org/ ++ ChangeLog 2014-05-30 15:44:03.671918695 +0200 http://git.claws-mail.org/?p=claws.git;a=commitdiff;h=11501c1e43fe47d2b5976dcb0b4411d6d2c512fd Merge: 5e2033a d2af47b Author: Colin Leroy <colin@colino.net> Date: Fri May 30 15:44:03 2014 +0200 Merge branch 'master' of file:///home/git/claws http://git.claws-mail.org/?p=claws.git;a=commitdiff;h=d2af47b2de8d3d72eddecce24d9bbf83738414b0 Author: Colin Leroy <colin@colino.net> Date: Fri May 30 15:43:52 2014 +0200 Fix bug #2728, "erroneous switching from one to three column view"