For whatever it's worth... I just updated from nightly trunk repository and now getting errors when I click on Settings -> Installed Modules:

OpenERP Server Error
Traceback (most recent call last):
  File "/usr/lib/pymodules/python2.7/openerp/http.py", line 348, in dispatch
    response["result"] = self._call_function(**self.params)
  File "/usr/lib/pymodules/python2.7/openerp/http.py", line 220, in _call_function
    return checked_call(self.db, *args, **kwargs)
  File "/usr/lib/pymodules/python2.7/openerp/service/model.py", line 113, in wrapper
    return f(dbname, *args, **kwargs)
  File "/usr/lib/pymodules/python2.7/openerp/http.py", line 215, in checked_call
    return self.func(*a, **kw)
  File "/usr/lib/pymodules/python2.7/openerp/http.py", line 532, in __call__
    return self.method(*args, **kw)
  File "/usr/lib/pymodules/python2.7/openerp/addons/web/controllers/main.py", line 1217, in call_kw
    return self._call_kw(model, method, args, kwargs)
  File "/usr/lib/pymodules/python2.7/openerp/addons/web/controllers/main.py", line 1209, in _call_kw
    return getattr(request.registry.get(model), method)(request.cr, request.uid, *args, **kwargs)
  File "/usr/lib/pymodules/python2.7/openerp/osv/orm.py", line 1891, in fields_view_get
    resaction = ir_values_obj.get(cr, uid, 'action', 'client_action_multi', [(self._name, False)], False, context)
  File "/usr/lib/pymodules/python2.7/openerp/addons/calendar/calendar.py", line 601, in get
    meta, context, res_id_req, without_user, key2_req)
  File "/usr/lib/pymodules/python2.7/openerp/addons/base/ir/ir_values.py", line 477, in get
    return self._map_legacy_model_list(models, do_get, merge_results=True)
  File "/usr/lib/pymodules/python2.7/openerp/addons/base/ir/ir_values.py", line 434, in _map_legacy_model_list
    result = map_fn(model, res_id)
  File "/usr/lib/pymodules/python2.7/openerp/addons/base/ir/ir_values.py", line 476, in do_get
    return self.get_actions(cr, uid, action_slot=key2, model=model, res_id=res_id, context=context)
  File "/usr/lib/pymodules/python2.7/openerp/addons/base/ir/ir_values.py", line 404, in get_actions
    action_def = self.pool[action_model].read(cr, uid, int(id), fields, context)
  File "/usr/lib/pymodules/python2.7/openerp/osv/orm.py", line 3240, in read
    result = self._read_flat(cr, user, select, fields, context, load)
  File "/usr/lib/pymodules/python2.7/openerp/osv/orm.py", line 3287, in _read_flat
    cr.execute(query, [tuple(sub_ids)] + rule_params)
  File "/usr/lib/pymodules/python2.7/openerp/sql_db.py", line 153, in wrapper
    return f(self, *args, **kwargs)
  File "/usr/lib/pymodules/python2.7/openerp/sql_db.py", line 218, in execute
    res = self._obj.execute(query, params)
ProgrammingError: column ir_act_server.website_published does not exist
LINE 1: ...value",ir_act_server."usage",ir_act_server."type",ir_act_ser...
                                                             ^