diff --git a/addons/stock/models/stock_picking.py b/addons/stock/models/stock_picking.py
index 79a4efb5a8d..4f7f43f62ae 100644
--- a/addons/stock/models/stock_picking.py
+++ b/addons/stock/models/stock_picking.py
@@ -242,8 +242,7 @@ class Picking(models.Model):
 
     name = fields.Char(
         'Reference', default='/',
-        copy=False,  index=True,
-        states={'done': [('readonly', True)], 'cancel': [('readonly', True)]})
+        copy=False, index=True, readonly=True)
     origin = fields.Char(
         'Source Document', index=True,
         states={'done': [('readonly', True)], 'cancel': [('readonly', True)]},
@@ -251,8 +250,7 @@ class Picking(models.Model):
     note = fields.Text('Notes')
     backorder_id = fields.Many2one(
         'stock.picking', 'Back Order of',
-        copy=False, index=True,
-        states={'done': [('readonly', True)], 'cancel': [('readonly', True)]},
+        copy=False, index=True, readonly=True,
         check_company=True,
         help="If this shipment was split, then this field links to the shipment which contains the already processed part.")
     backorder_ids = fields.One2many('stock.picking', 'backorder_id', 'Back Orders')
@@ -288,6 +286,7 @@ class Picking(models.Model):
     scheduled_date = fields.Datetime(
         'Scheduled Date', compute='_compute_scheduled_date', inverse='_set_scheduled_date', store=True,
         index=True, default=fields.Datetime.now, tracking=True,
+        states={'done': [('readonly', True)], 'cancel': [('readonly', True)]},
         help="Scheduled time for the first part of the shipment to be processed. Setting manually a value here would set it as expected date for all the stock moves.")
     date = fields.Datetime(
         'Creation Date',
@@ -330,6 +329,7 @@ class Picking(models.Model):
     user_id = fields.Many2one(
         'res.users', 'Responsible', tracking=True,
         domain=lambda self: [('groups_id', 'in', self.env.ref('stock.group_stock_user').id)],
+        states={'done': [('readonly', True)], 'cancel': [('readonly', True)]},
         default=lambda self: self.env.user)
     move_line_ids = fields.One2many('stock.move.line', 'picking_id', 'Operations')
     move_line_ids_without_package = fields.One2many('stock.move.line', 'picking_id', 'Operations without package', domain=['|',('package_level_id', '=', False), ('picking_type_entire_packs', '=', False)])
diff --git a/addons/stock/views/stock_picking_views.xml b/addons/stock/views/stock_picking_views.xml
index d8342d4286a..e0c2f639a76 100644
--- a/addons/stock/views/stock_picking_views.xml
+++ b/addons/stock/views/stock_picking_views.xml
@@ -187,7 +187,9 @@
             <field name="name">stock.picking.tree</field>
             <field name="model">stock.picking</field>
             <field name="arch" type="xml">
-                <tree decoration-info="state == 'draft'" decoration-muted="state == 'cancel'" decoration-danger="state not in ('cancel', 'done') and scheduled_date &lt; current_date" string="Picking list">
+                <tree string="Picking list" multi_edit="1"
+                      decoration-info="state == 'draft'" decoration-muted="state == 'cancel'"
+                      decoration-danger="state not in ('cancel', 'done') and scheduled_date &lt; current_date">
                     <field name="name"/>
                     <field name="location_id" options="{'no_create': True}" string="From" groups="stock.group_stock_multi_locations" optional="show"/>
                     <field name="location_dest_id" options="{'no_create': True}" string="To" groups="stock.group_stock_multi_locations" optional="show"/>
@@ -266,7 +268,7 @@
                         </button>
                     </div>
                     <h1 class="d-none d-md-block">
-                        <field name="name" attrs="{'invisible': [('name','=','/')]}" readonly="1"/>
+                        <field name="name" attrs="{'invisible': [('name','=','/')]}"/>
                     </h1>
                     <group>
                         <group>
@@ -282,10 +284,10 @@
                             <field name="picking_type_id" attrs="{'readonly': [('state', '!=', 'draft')]}"/>
                             <field name="location_id" options="{'no_create': True}" groups="stock.group_stock_multi_locations" attrs="{'invisible': [('picking_type_code', '=', 'incoming')]}"/>
                             <field name="location_dest_id" options="{'no_create': True}" groups="stock.group_stock_multi_locations" attrs="{'invisible': [('picking_type_code', '=', 'outgoing')]}"/>
-                            <field name="backorder_id" readonly="1" attrs="{'invisible': [('backorder_id','=',False)]}"/>
+                            <field name="backorder_id" attrs="{'invisible': [('backorder_id','=',False)]}"/>
                         </group>
                         <group>
-                            <field name="scheduled_date" attrs="{'readonly': [('state', 'in', ('done', 'cancel'))], 'required': [('id', '!=', False)]}"/>
+                            <field name="scheduled_date" attrs="{'required': [('id', '!=', False)]}"/>
                             <field name="date_done" string="Effective Date" attrs="{'invisible': [('state', '!=', 'done')]}"/>
                             <field name="origin" placeholder="e.g. PO0032"/>
                             <field name="owner_id" groups="stock.group_tracking_owner"