Changes have been made in Git (master):

commit c9647ba7bbfd5b09e003b4ab96292f740e961eeb
Author: Michael M Slusarz <slusarz@horde.org>
Date:   Tue Sep 23 10:59:34 2014 -0600

     [mms] Fix accessing dynamic compose page when file uploads are 
not available (Bug #13580).

  imp/docs/CHANGES       |    2 ++
  imp/js/compose-dimp.js |    8 +++++---
  imp/package.xml        |    1 +
  3 files changed, 8 insertions(+), 3 deletions(-)

http://github.com/horde/horde/commit/c9647ba7bbfd5b09e003b4ab96292f740e961eeb

IMP 6.2.3

Changes have been made in Git (FRAMEWORK_5_2):

commit a68e34a243af485b44cc56bcecf761f5d9d8077b
Author: Michael M Slusarz <slusarz@horde.org>
Date:   Tue Sep 23 11:02:47 2014 -0600

     Bug #13580: additional fix needed for FW_5_2

  imp/js/compose-dimp.js |    2 +-
  1 files changed, 1 insertions(+), 1 deletions(-)

http://github.com/horde/horde/commit/a68e34a243af485b44cc56bcecf761f5d9d8077b

Changes have been made in Git (FRAMEWORK_5_2):

commit c8afa70a60082074e54f4339dc7b45bbd6786a17
Author: Michael M Slusarz <slusarz@horde.org>
Date:   Tue Sep 23 10:59:34 2014 -0600

     [mms] Fix accessing dynamic compose page when file uploads are 
not available (Bug #13580).

     Conflicts:
             imp/docs/CHANGES
             imp/js/compose-dimp.js

  imp/docs/CHANGES       |    3 +++
  imp/js/compose-dimp.js |    8 +++++---
  imp/package.xml        |    2 ++
  3 files changed, 10 insertions(+), 3 deletions(-)

http://github.com/horde/horde/commit/c8afa70a60082074e54f4339dc7b45bbd6786a17

In dynamic view:

If $browser->allowFileUploads() is false,
compose windows is hanging (Loading).

Javascript error compose-dimp.js@1422:
     $('atcdrop').observe('DragHandler:drop', function(e) {

div actdrop is missing

and send message is after failing compose-dimp.js@259
     if ($('upload_wait').visible()) {