diff --git a/addons/website/tests/test_menu.py b/addons/website/tests/test_menu.py
index ef30bdaa9f3..f44394e298a 100644
--- a/addons/website/tests/test_menu.py
+++ b/addons/website/tests/test_menu.py
@@ -2,6 +2,8 @@
 
 import json
 
+from hashlib import sha256
+from lxml import html
 from unittest.mock import Mock, patch
 from werkzeug.urls import url_parse
 
@@ -301,3 +303,35 @@ class TestMenuHttp(common.HttpCase):
         self.assertFalse(self.menu.page_id, "M2o should have been unset as this is an anchor URL.")
         self.assertEqual(self.menu.url, self.page_url + '#anchor', "Page URL should have been properly prefixed with the referer url")
         self.assertEqual(self.page.url, self.page_url, "Page URL should not have changed")
+
+    def test_03_mega_menu_translate(self):
+        # Setup
+        fr = self.env['res.lang']._activate_lang('fr_FR')
+        Menu = self.env['website.menu']
+        website = self.env['website'].browse(1)
+        website.language_ids += fr
+        menu = Menu.create({
+            'name': 'Test Mega Menu Content Translation Edit Mode',
+            'mega_menu_content': '<p>something</p>',
+            'parent_id': website.menu_id.id,
+            'website_id': website.id,
+        })
+        self.env['ir.module.module']._load_module_terms(['website'], [fr.code])
+
+        # Load cache
+        self.url_open('/%s' % fr.url_code)
+        self.url_open('/%s?edit_translations=1' % fr.url_code)
+
+        # Translate
+        root = html.fromstring(menu.mega_menu_content)
+        to_translate = root.text_content()
+        sha = sha256(to_translate.encode()).hexdigest()
+        menu.update_field_translations_sha('mega_menu_content', {fr.code: {sha: 'french_mega_menu_content'}})
+        self.assertIn("french_mega_menu_content",
+                      menu.with_context(lang=fr.code, website_id=website.id).mega_menu_content)
+
+        # Checks
+        page = self.url_open('/%s' % fr.url_code)
+        self.assertIn(b"french_mega_menu_content", page.content)
+        page = self.url_open('/%s?edit_translations=1' % fr.url_code)
+        self.assertIn(b"french_mega_menu_content", page.content)
diff --git a/odoo/addons/base/models/ir_model.py b/odoo/addons/base/models/ir_model.py
index 79af2e695fa..9a28e687ab7 100644
--- a/odoo/addons/base/models/ir_model.py
+++ b/odoo/addons/base/models/ir_model.py
@@ -986,8 +986,9 @@ class IrModelFields(models.Model):
         # names of the models to patch
         patched_models = set()
         if vals and self:
+            translate_only = all(self._fields[field_name].translate for field_name in vals)
             for item in self:
-                if item.state != 'manual':
+                if item.state != 'manual' and not translate_only:
                     raise UserError(_('Properties of base fields cannot be altered in this manner! '
                                       'Please modify them through Python code, '
                                       'preferably through a custom addon!'))
@@ -1056,12 +1057,6 @@ class IrModelFields(models.Model):
 
         return res
 
-    def update_field_translations(self, field_name, translations):
-        res = super().update_field_translations(field_name, translations)
-        if res:
-            self.env.registry.clear_cache()
-        return res
-
     @api.depends('field_description', 'model')
     def _compute_display_name(self):
         for field in self:
diff --git a/odoo/addons/base/models/ir_ui_view.py b/odoo/addons/base/models/ir_ui_view.py
index 3840eeb2570..440181f493b 100644
--- a/odoo/addons/base/models/ir_ui_view.py
+++ b/odoo/addons/base/models/ir_ui_view.py
@@ -540,10 +540,7 @@ actual arch.
         return super(View, self).unlink()
 
     def _update_field_translations(self, fname, translations, digest=None):
-        res = super()._update_field_translations(fname, translations, digest)
-        if fname == 'arch_db' and 'install_filename' not in self._context:
-            self.write({'arch_updated': True})
-        return res
+        return super(View, self.with_context(no_save_prev=True))._update_field_translations(fname, translations, digest)
 
     @api.returns('self', lambda value: value.id)
     def copy(self, default=None):
diff --git a/odoo/addons/test_new_api/models/test_new_api.py b/odoo/addons/test_new_api/models/test_new_api.py
index bd3aa6d176a..953deed757f 100644
--- a/odoo/addons/test_new_api/models/test_new_api.py
+++ b/odoo/addons/test_new_api/models/test_new_api.py
@@ -1749,6 +1749,20 @@ class RelatedTranslation2(models.Model):
     parent_id = fields.Many2one('test_new_api.related_translation_1', string='Parent Model')
     name = fields.Char('Name Related', related='parent_id.name', readonly=False)
     html = fields.Html('HTML Related', related='parent_id.html', readonly=False)
+    computed_name = fields.Char('Name Computed', compute='_compute_name')
+    computed_html = fields.Char('HTML Computed', compute='_compute_html')
+
+    @api.depends_context('lang')
+    @api.depends('parent_id.name')
+    def _compute_name(self):
+        for record in self:
+            record.computed_name = record.parent_id.name
+
+    @api.depends_context('lang')
+    @api.depends('parent_id.html')
+    def _compute_html(self):
+        for record in self:
+            record.computed_html = record.parent_id.html
 
 
 class RelatedTranslation3(models.Model):
diff --git a/odoo/addons/test_new_api/tests/test_related_translation.py b/odoo/addons/test_new_api/tests/test_related_translation.py
index 2dd2c91432a..f47843324bc 100644
--- a/odoo/addons/test_new_api/tests/test_related_translation.py
+++ b/odoo/addons/test_new_api/tests/test_related_translation.py
@@ -89,6 +89,8 @@ class TestRelatedTranslation(odoo.tests.TransactionCase):
         self.assertEqual(self.test1.with_context(lang='fr_FR').name, 'Couteau')
         self.assertEqual(self.test2.with_context(lang='en_US').name, 'New knife')
         self.assertEqual(self.test2.with_context(lang='fr_FR').name, 'Couteau')
+        self.assertEqual(self.test2.with_context(lang='en_US').computed_name, 'New knife')
+        self.assertEqual(self.test2.with_context(lang='fr_FR').computed_name, 'Couteau')
         self.assertEqual(self.test3.with_context(lang='en_US').name, 'New knife')
         self.assertEqual(self.test3.with_context(lang='fr_FR').name, 'Couteau')
         self.test1.update_field_translations('name', {'fr_FR': 'Nouveau couteau'})
@@ -96,6 +98,8 @@ class TestRelatedTranslation(odoo.tests.TransactionCase):
         self.assertEqual(self.test1.with_context(lang='fr_FR').name, 'Nouveau couteau')
         self.assertEqual(self.test2.with_context(lang='en_US').name, 'New knife')
         self.assertEqual(self.test2.with_context(lang='fr_FR').name, 'Nouveau couteau')
+        self.assertEqual(self.test2.with_context(lang='en_US').computed_name, 'New knife')
+        self.assertEqual(self.test2.with_context(lang='fr_FR').computed_name, 'Nouveau couteau')
         self.assertEqual(self.test3.with_context(lang='en_US').name, 'New knife')
         self.assertEqual(self.test3.with_context(lang='fr_FR').name, 'Nouveau couteau')
 
@@ -105,6 +109,8 @@ class TestRelatedTranslation(odoo.tests.TransactionCase):
         self.assertEqual(self.test1.with_context(lang='fr_FR').name, 'Couteau')
         self.assertEqual(self.test2.with_context(lang='en_US').name, 'New knife')
         self.assertEqual(self.test2.with_context(lang='fr_FR').name, 'Couteau')
+        self.assertEqual(self.test2.with_context(lang='en_US').computed_name, 'New knife')
+        self.assertEqual(self.test2.with_context(lang='fr_FR').computed_name, 'Couteau')
         self.assertEqual(self.test3.with_context(lang='en_US').name, 'New knife')
         self.assertEqual(self.test3.with_context(lang='fr_FR').name, 'Couteau')
         self.test3.update_field_translations('name', {'fr_FR': 'Nouveau couteau'})
@@ -112,6 +118,8 @@ class TestRelatedTranslation(odoo.tests.TransactionCase):
         self.assertEqual(self.test1.with_context(lang='fr_FR').name, 'Nouveau couteau')
         self.assertEqual(self.test2.with_context(lang='en_US').name, 'New knife')
         self.assertEqual(self.test2.with_context(lang='fr_FR').name, 'Nouveau couteau')
+        self.assertEqual(self.test2.with_context(lang='en_US').computed_name, 'New knife')
+        self.assertEqual(self.test2.with_context(lang='fr_FR').computed_name, 'Nouveau couteau')
         self.assertEqual(self.test3.with_context(lang='en_US').name, 'New knife')
         self.assertEqual(self.test3.with_context(lang='fr_FR').name, 'Nouveau couteau')
 
@@ -136,6 +144,8 @@ class TestRelatedTranslation(odoo.tests.TransactionCase):
         self.assertEqual(self.test1.with_context(lang='fr_FR').html, '<p>Couteau</p><p>Fourchette</p><p>Cuiller</p>')
         self.assertEqual(self.test2.with_context(lang='en_US').html, '<p>Knife</p><p>Fork</p><p>Spoon</p>')
         self.assertEqual(self.test2.with_context(lang='fr_FR').html, '<p>Couteau</p><p>Fourchette</p><p>Cuiller</p>')
+        self.assertEqual(self.test2.with_context(lang='en_US').computed_html, '<p>Knife</p><p>Fork</p><p>Spoon</p>')
+        self.assertEqual(self.test2.with_context(lang='fr_FR').computed_html, '<p>Couteau</p><p>Fourchette</p><p>Cuiller</p>')
         self.assertEqual(self.test3.with_context(lang='en_US').html, '<p>Knife</p><p>Fork</p><p>Spoon</p>')
         self.assertEqual(self.test3.with_context(lang='fr_FR').html, '<p>Couteau</p><p>Fourchette</p><p>Cuiller</p>')
         self.test1.update_field_translations('html', {'fr_FR': {'Couteau': 'Nouveau couteau'}})
@@ -143,6 +153,8 @@ class TestRelatedTranslation(odoo.tests.TransactionCase):
         self.assertEqual(self.test1.with_context(lang='fr_FR').html, '<p>Nouveau couteau</p><p>Fourchette</p><p>Cuiller</p>')
         self.assertEqual(self.test2.with_context(lang='en_US').html, '<p>Knife</p><p>Fork</p><p>Spoon</p>')
         self.assertEqual(self.test2.with_context(lang='fr_FR').html, '<p>Nouveau couteau</p><p>Fourchette</p><p>Cuiller</p>')
+        self.assertEqual(self.test2.with_context(lang='en_US').computed_html, '<p>Knife</p><p>Fork</p><p>Spoon</p>')
+        self.assertEqual(self.test2.with_context(lang='fr_FR').computed_html, '<p>Nouveau couteau</p><p>Fourchette</p><p>Cuiller</p>')
         self.assertEqual(self.test3.with_context(lang='en_US').html, '<p>Knife</p><p>Fork</p><p>Spoon</p>')
         self.assertEqual(self.test3.with_context(lang='fr_FR').html, '<p>Nouveau couteau</p><p>Fourchette</p><p>Cuiller</p>')
 
@@ -151,6 +163,8 @@ class TestRelatedTranslation(odoo.tests.TransactionCase):
         self.assertEqual(self.test1.with_context(lang='fr_FR').html, '<p>Couteau</p><p>Fourchette</p><p>Cuiller</p>')
         self.assertEqual(self.test2.with_context(lang='en_US').html, '<p>Knife</p><p>Fork</p><p>Spoon</p>')
         self.assertEqual(self.test2.with_context(lang='fr_FR').html, '<p>Couteau</p><p>Fourchette</p><p>Cuiller</p>')
+        self.assertEqual(self.test2.with_context(lang='en_US').computed_html, '<p>Knife</p><p>Fork</p><p>Spoon</p>')
+        self.assertEqual(self.test2.with_context(lang='fr_FR').computed_html, '<p>Couteau</p><p>Fourchette</p><p>Cuiller</p>')
         self.assertEqual(self.test3.with_context(lang='en_US').html, '<p>Knife</p><p>Fork</p><p>Spoon</p>')
         self.assertEqual(self.test3.with_context(lang='fr_FR').html, '<p>Couteau</p><p>Fourchette</p><p>Cuiller</p>')
         self.test3.update_field_translations('html', {'fr_FR': {'Couteau': 'Nouveau couteau'}})
@@ -158,6 +172,8 @@ class TestRelatedTranslation(odoo.tests.TransactionCase):
         self.assertEqual(self.test1.with_context(lang='fr_FR').html, '<p>Nouveau couteau</p><p>Fourchette</p><p>Cuiller</p>')
         self.assertEqual(self.test2.with_context(lang='en_US').html, '<p>Knife</p><p>Fork</p><p>Spoon</p>')
         self.assertEqual(self.test2.with_context(lang='fr_FR').html, '<p>Nouveau couteau</p><p>Fourchette</p><p>Cuiller</p>')
+        self.assertEqual(self.test2.with_context(lang='en_US').computed_html, '<p>Knife</p><p>Fork</p><p>Spoon</p>')
+        self.assertEqual(self.test2.with_context(lang='fr_FR').computed_html, '<p>Nouveau couteau</p><p>Fourchette</p><p>Cuiller</p>')
         self.assertEqual(self.test3.with_context(lang='en_US').html, '<p>Knife</p><p>Fork</p><p>Spoon</p>')
         self.assertEqual(self.test3.with_context(lang='fr_FR').html, '<p>Nouveau couteau</p><p>Fourchette</p><p>Cuiller</p>')
 
diff --git a/odoo/models.py b/odoo/models.py
index 47a08221071..633b81307c7 100644
--- a/odoo/models.py
+++ b/odoo/models.py
@@ -3490,6 +3490,10 @@ class BaseModel(metaclass=MetaModel):
         """
         self.ensure_one()
 
+        self.check_access_rights('write')
+        self.check_field_access_rights('write', [field_name])
+        self.check_access_rule('write')
+
         valid_langs = set(code for code, _ in self.env['res.lang'].get_installed()) | {'en_US'}
         missing_langs = set(translations) - valid_langs
         if missing_langs:
@@ -3516,9 +3520,6 @@ class BaseModel(metaclass=MetaModel):
         if field.related and not field.store:
             related_path, field_name = field.related.rsplit(".", 1)
             return self.mapped(related_path)._update_field_translations(field_name, translations, digest)
-        self.check_access_rights('write')
-        self.check_field_access_rights('write', [field_name])
-        self.check_access_rule('write')
 
         if field.translate is True:
             # falsy values (except emtpy str) are used to void the corresponding translation
@@ -3545,7 +3546,6 @@ class BaseModel(metaclass=MetaModel):
                     '{{}}'::jsonb)
                 WHERE id = %s
             ''', (Json({'en_US': translation_fallback}), Json(translations), self.id))
-            self.modified([field_name])
         else:
             # Note:
             # update terms in 'en_US' will not change its value other translated values
@@ -3573,7 +3573,13 @@ class BaseModel(metaclass=MetaModel):
                     }
                 new_translations[lang] = field.translate(translation.get, old_value)
             self.env.cache.update_raw(self, field, [new_translations], dirty=True)
-            self.modified([field_name])
+
+        # the following write is incharge of
+        # 1. mark field as modified
+        # 2. execute logics in the override `write` method
+        # 3. update write_date of the record if exists to support 't-cache'
+        # even if the value in cache is the same as the value written
+        self[field_name] = self[field_name]
         return True
 
     def get_field_translations(self, field_name, langs=None):
diff --git a/odoo/tools/translate.py b/odoo/tools/translate.py
index ed0437d9787..12a6cef456e 100644
--- a/odoo/tools/translate.py
+++ b/odoo/tools/translate.py
@@ -1397,6 +1397,7 @@ class TranslationImporter:
         self.model_translations.clear()
 
         env.invalidate_all()
+        env.registry.clear_cache()
         if self.verbose:
             _logger.info("translations are loaded successfully")