I am on Odoo 12 and I have a state selection field with three values (a, b, c) with (a) as the default value.

Example :

    state = fields.Selection(string="Statut", selection=[('a', 'Statut A'),
                                                         ('b', 'Statut B'), ('c', 'Statut C'),
                                                         ('d', 'Statut D'), ],
                             default="a", track_visibility='onchange', )

Everything was working fine until I added a new value (e), which I wanted to be before (a) and to become the default value, something like this :

    state = fields.Selection(string="Statut", selection=[('e', 'Statut E'),
                                                         ('a', 'Statut A'),
                                                         ('b', 'Statut B'), ('c', 'Statut C'),
                                                         ('d', 'Statut D'), ],
                             default="e", track_visibility='onchange', )

The problem is that when I call this field on the statusbar in the XML code, it doesn't display the status (e), as if it didn't take it as default, and it still takes (a) as the first status whenever I wanted to create a new entry in the form view.

This is the header part of the form view where the statusbar and its buttons should go :

<form string="Form 1">
<header>
<button name="fct4" string="Go to A" class="oe_highlight" states="e" type="object"/>
<button name="fct1" string="Go to B" class="oe_highlight" states="a" type="object"/>
<button name="fct2" string="Go to C" class="oe_highlight" states="b" type="object"/>
<button name="fct3" string="Go to D" states="e,a,b" type="object"/>
<field name="state" widget="statusbar" statusbar_visible="e,a,b,c"/>
</header>