diff --git a/UPGRADE-7.4.md b/UPGRADE-7.4.md
index e496e069e72b..0ce57379aede 100644
--- a/UPGRADE-7.4.md
+++ b/UPGRADE-7.4.md
@@ -50,6 +50,11 @@ Security
  * Deprecate `AbstractListener::__invoke`
  * Deprecate `LazyFirewallContext::__invoke()`
 
+Translation
+-----------
+
+ * Deprecate `TranslatableMessage::__toString`
+
 Validator
 ---------
 
diff --git a/src/Symfony/Bridge/Twig/Resources/views/Form/bootstrap_3_horizontal_layout.html.twig b/src/Symfony/Bridge/Twig/Resources/views/Form/bootstrap_3_horizontal_layout.html.twig
index 49cd804398b5..fc7289c8c393 100644
--- a/src/Symfony/Bridge/Twig/Resources/views/Form/bootstrap_3_horizontal_layout.html.twig
+++ b/src/Symfony/Bridge/Twig/Resources/views/Form/bootstrap_3_horizontal_layout.html.twig
@@ -24,7 +24,7 @@ col-sm-2
 
 {% block form_row -%}
     {%- set widget_attr = {} -%}
-    {%- if help is not empty -%}
+    {%- if help -%}
         {%- set widget_attr = {attr: {'aria-describedby': id ~"_help"}} -%}
     {%- endif -%}
     <div{% with {attr: row_attr|merge({class: (row_attr.class|default('') ~ ' form-group' ~ ((not compound or force_error|default(false)) and not valid ? ' has-error'))|trim})} %}{{ block('attributes') }}{% endwith %}>
diff --git a/src/Symfony/Bridge/Twig/Resources/views/Form/bootstrap_3_layout.html.twig b/src/Symfony/Bridge/Twig/Resources/views/Form/bootstrap_3_layout.html.twig
index f4e313b4756c..bfb9d89aaeec 100644
--- a/src/Symfony/Bridge/Twig/Resources/views/Form/bootstrap_3_layout.html.twig
+++ b/src/Symfony/Bridge/Twig/Resources/views/Form/bootstrap_3_layout.html.twig
@@ -94,7 +94,7 @@
             {% set embed_label_classes = parent_label_class|split(' ')|filter(class => class in ['checkbox-inline', 'radio-inline']) %}
             {%- set label_attr = label_attr|merge({class: (label_attr.class|default('') ~ ' ' ~ embed_label_classes|join(' '))|trim}) -%}
         {% endif %}
-        {%- if label is not same as(false) and label is empty -%}
+        {%- if label is not same as(false) and not label -%}
             {%- if label_format is not empty -%}
                 {%- set label = label_format|replace({
                     '%name%': name,
@@ -129,7 +129,7 @@
 
 {% block form_row -%}
     {%- set widget_attr = {} -%}
-    {%- if help is not empty -%}
+    {%- if help -%}
         {%- set widget_attr = {attr: {'aria-describedby': id ~"_help"}} -%}
     {%- endif -%}
     <div{% with {attr: row_attr|merge({class: (row_attr.class|default('') ~ ' form-group' ~ ((not compound or force_error|default(false)) and not valid ? ' has-error'))|trim})} %}{{ block('attributes') }}{% endwith %}>
@@ -199,7 +199,7 @@
 {# Help #}
 
 {% block form_help -%}
-    {%- if help is not empty -%}
+    {%- if help -%}
         {%- set help_attr = help_attr|merge({class: (help_attr.class|default('') ~ ' help-block')|trim}) -%}
         <span id="{{ id }}_help"{% with { attr: help_attr } %}{{ block('attributes') }}{% endwith %}>
             {%- if translation_domain is same as(false) -%}
diff --git a/src/Symfony/Bridge/Twig/Resources/views/Form/bootstrap_4_horizontal_layout.html.twig b/src/Symfony/Bridge/Twig/Resources/views/Form/bootstrap_4_horizontal_layout.html.twig
index 990b324cb0d1..516d79938d6a 100644
--- a/src/Symfony/Bridge/Twig/Resources/views/Form/bootstrap_4_horizontal_layout.html.twig
+++ b/src/Symfony/Bridge/Twig/Resources/views/Form/bootstrap_4_horizontal_layout.html.twig
@@ -25,7 +25,7 @@ col-sm-2
         {{ block('fieldset_form_row') }}
     {%- else -%}
     {%- set widget_attr = {} -%}
-    {%- if help is not empty -%}
+    {%- if help -%}
         {%- set widget_attr = {attr: {'aria-describedby': id ~"_help"}} -%}
     {%- endif -%}
         <div{% with {attr: row_attr|merge({class: (row_attr.class|default('') ~ ' form-group row' ~ ((not compound or force_error|default(false)) and not valid ? ' is-invalid'))|trim})} %}{{ block('attributes') }}{% endwith %}>
@@ -40,7 +40,7 @@ col-sm-2
 
 {% block fieldset_form_row -%}
     {%- set widget_attr = {} -%}
-    {%- if help is not empty -%}
+    {%- if help -%}
         {%- set widget_attr = {attr: {'aria-describedby': id ~"_help"}} -%}
     {%- endif -%}
     <fieldset{% with {attr: row_attr|merge({class: (row_attr.class|default('') ~ ' form-group')|trim})} %}{{ block('attributes') }}{% endwith %}>
diff --git a/src/Symfony/Bridge/Twig/Resources/views/Form/bootstrap_4_layout.html.twig b/src/Symfony/Bridge/Twig/Resources/views/Form/bootstrap_4_layout.html.twig
index 458cc6847ed8..9681d4f81c0f 100644
--- a/src/Symfony/Bridge/Twig/Resources/views/Form/bootstrap_4_layout.html.twig
+++ b/src/Symfony/Bridge/Twig/Resources/views/Form/bootstrap_4_layout.html.twig
@@ -283,7 +283,7 @@
         {%- set element = 'fieldset' -%}
     {%- endif -%}
     {%- set widget_attr = {} -%}
-    {%- if help is not empty -%}
+    {%- if help -%}
         {%- set widget_attr = {attr: {'aria-describedby': id ~"_help"}} -%}
     {%- endif -%}
     <{{ element|default('div') }}{% with {attr: row_attr|merge({class: (row_attr.class|default('') ~ ' form-group')|trim})} %}{{ block('attributes') }}{% endwith %}>
@@ -310,7 +310,7 @@
 {# Help #}
 
 {% block form_help -%}
-    {%- if help is not empty -%}
+    {%- if help -%}
         {%- set help_attr = help_attr|merge({class: (help_attr.class|default('') ~ ' form-text text-muted')|trim}) -%}
         <small id="{{ id }}_help"{% with { attr: help_attr } %}{{ block('attributes') }}{% endwith %}>
             {{- block('form_help_content') -}}
diff --git a/src/Symfony/Bridge/Twig/Resources/views/Form/bootstrap_5_horizontal_layout.html.twig b/src/Symfony/Bridge/Twig/Resources/views/Form/bootstrap_5_horizontal_layout.html.twig
index 3c24166d48ad..1d08cc5eb0e8 100644
--- a/src/Symfony/Bridge/Twig/Resources/views/Form/bootstrap_5_horizontal_layout.html.twig
+++ b/src/Symfony/Bridge/Twig/Resources/views/Form/bootstrap_5_horizontal_layout.html.twig
@@ -28,7 +28,7 @@
         {{ block('fieldset_form_row') }}
     {%- else -%}
         {%- set widget_attr = {} -%}
-        {%- if help is not empty -%}
+        {%- if help -%}
             {%- set widget_attr = {attr: {'aria-describedby': id ~"_help"}} -%}
         {%- endif -%}
         {%- set row_class = row_class|default(row_attr.class|default('mb-3')) -%}
@@ -72,7 +72,7 @@
 
 {% block fieldset_form_row -%}
     {%- set widget_attr = {} -%}
-    {%- if help is not empty -%}
+    {%- if help -%}
         {%- set widget_attr = {attr: {'aria-describedby': id ~"_help"}} -%}
     {%- endif -%}
     <fieldset{% with {attr: row_attr|merge({class: row_attr.class|default('mb-3')|trim})} %}{{ block('attributes') }}{% endwith %}>
diff --git a/src/Symfony/Bridge/Twig/Resources/views/Form/bootstrap_5_layout.html.twig b/src/Symfony/Bridge/Twig/Resources/views/Form/bootstrap_5_layout.html.twig
index 17b28fc9ab8d..d79c0af33577 100644
--- a/src/Symfony/Bridge/Twig/Resources/views/Form/bootstrap_5_layout.html.twig
+++ b/src/Symfony/Bridge/Twig/Resources/views/Form/bootstrap_5_layout.html.twig
@@ -325,7 +325,7 @@
         {%- set element = 'fieldset' -%}
     {%- endif -%}
     {%- set widget_attr = {} -%}
-    {%- if help is not empty -%}
+    {%- if help -%}
         {%- set widget_attr = {attr: {'aria-describedby': id ~"_help"}} -%}
     {%- endif -%}
     {%- set row_class = row_class|default(row_attr.class|default('mb-3')|trim) -%}
@@ -367,7 +367,7 @@
         {#- Hack to properly display help with input group -#}
         {%- set help_class = ' input-group-text' -%}
     {%- endif -%}
-    {%- if help is not empty -%}
+    {%- if help -%}
         {%- set help_attr = help_attr|merge({class: (help_attr.class|default('') ~ help_class ~ ' mb-0')|trim}) -%}
     {%- endif -%}
     {{- parent() -}}
diff --git a/src/Symfony/Bridge/Twig/Resources/views/Form/form_div_layout.html.twig b/src/Symfony/Bridge/Twig/Resources/views/Form/form_div_layout.html.twig
index 537849faebaa..cbc18f669250 100644
--- a/src/Symfony/Bridge/Twig/Resources/views/Form/form_div_layout.html.twig
+++ b/src/Symfony/Bridge/Twig/Resources/views/Form/form_div_layout.html.twig
@@ -226,7 +226,7 @@
 {%- endblock range_widget %}
 
 {%- block button_widget -%}
-    {%- if label is empty -%}
+    {%- if not label -%}
         {%- if label_format is not empty -%}
             {% set label = label_format|replace({
                 '%name%': name,
@@ -301,7 +301,7 @@
 {%- endblock form_label -%}
 
 {%- block form_label_content -%}
-    {%- if label is empty -%}
+    {%- if not label -%}
         {%- if label_format is not empty -%}
             {% set label = label_format|replace({
                 '%name%': name,
@@ -331,7 +331,7 @@
 {# Help #}
 
 {% block form_help -%}
-    {%- if help is not empty -%}
+    {%- if help -%}
         {%- set help_attr = help_attr|merge({class: (help_attr.class|default('') ~ ' help-text')|trim}) -%}
         <{{ element|default('div') }} id="{{ id }}_help"{% with { attr: help_attr } %}{{ block('attributes') }}{% endwith %}>
             {{- block('form_help_content') -}}
@@ -367,7 +367,7 @@
 
 {%- block form_row -%}
     {%- set widget_attr = {} -%}
-    {%- if help is not empty -%}
+    {%- if help -%}
         {%- set widget_attr = {attr: {'aria-describedby': id ~"_help"}} -%}
     {%- endif -%}
     <div{% with {attr: row_attr} %}{{ block('attributes') }}{% endwith %}>
diff --git a/src/Symfony/Bridge/Twig/Resources/views/Form/form_table_layout.html.twig b/src/Symfony/Bridge/Twig/Resources/views/Form/form_table_layout.html.twig
index 00a51ab04bc2..f4f32f1b3ee1 100644
--- a/src/Symfony/Bridge/Twig/Resources/views/Form/form_table_layout.html.twig
+++ b/src/Symfony/Bridge/Twig/Resources/views/Form/form_table_layout.html.twig
@@ -2,7 +2,7 @@
 
 {%- block form_row -%}
     {%- set widget_attr = {} -%}
-    {%- if help is not empty -%}
+    {%- if help -%}
         {%- set widget_attr = {attr: {'aria-describedby': id ~"_help"}} -%}
     {%- endif -%}
     <tr{% with {attr: row_attr} %}{{ block('attributes') }}{% endwith %}>
diff --git a/src/Symfony/Bridge/Twig/Resources/views/Form/foundation_5_layout.html.twig b/src/Symfony/Bridge/Twig/Resources/views/Form/foundation_5_layout.html.twig
index 23e463e6822f..d6f45e0e2183 100644
--- a/src/Symfony/Bridge/Twig/Resources/views/Form/foundation_5_layout.html.twig
+++ b/src/Symfony/Bridge/Twig/Resources/views/Form/foundation_5_layout.html.twig
@@ -261,7 +261,7 @@
         {% set embed_label_classes = parent_label_class|split(' ')|filter(class => class in ['checkbox-inline', 'radio-inline']) %}
         {%- set label_attr = label_attr|merge({class: (label_attr.class|default('') ~ ' ' ~ embed_label_classes|join(' '))|trim}) -%}
     {% endif %}
-    {% if label is empty %}
+    {% if not label %}
         {%- if label_format is not empty -%}
             {% set label = label_format|replace({
                 '%name%': name,
@@ -283,7 +283,7 @@
 
 {% block form_row -%}
     {%- set widget_attr = {} -%}
-    {%- if help is not empty -%}
+    {%- if help -%}
         {%- set widget_attr = {attr: {'aria-describedby': id ~"_help"}} -%}
     {%- endif -%}
     <div{% with {attr: row_attr|merge({class: (row_attr.class|default('') ~ ' row')|trim})} %}{{ block('attributes') }}{% endwith %}>
diff --git a/src/Symfony/Bridge/Twig/Resources/views/Form/tailwind_2_layout.html.twig b/src/Symfony/Bridge/Twig/Resources/views/Form/tailwind_2_layout.html.twig
index 7f31e70b796c..0a7038cb09f7 100644
--- a/src/Symfony/Bridge/Twig/Resources/views/Form/tailwind_2_layout.html.twig
+++ b/src/Symfony/Bridge/Twig/Resources/views/Form/tailwind_2_layout.html.twig
@@ -45,7 +45,7 @@
 {%- block checkbox_row -%}
     {%- set row_attr = row_attr|merge({ class: row_attr.class|default(row_class|default('mb-6')) }) -%}
     {%- set widget_attr = {} -%}
-    {%- if help is not empty -%}
+    {%- if help -%}
         {%- set widget_attr = {attr: {'aria-describedby': id ~"_help"}} -%}
     {%- endif -%}
     <div{% with {attr: row_attr} %}{{ block('attributes') }}{% endwith %}>
diff --git a/src/Symfony/Bridge/Twig/Tests/Extension/Fixtures/templates/form/custom_widgets.html.twig b/src/Symfony/Bridge/Twig/Tests/Extension/Fixtures/templates/form/custom_widgets.html.twig
index 2bd1b2cc6d50..c5710377bdab 100644
--- a/src/Symfony/Bridge/Twig/Tests/Extension/Fixtures/templates/form/custom_widgets.html.twig
+++ b/src/Symfony/Bridge/Twig/Tests/Extension/Fixtures/templates/form/custom_widgets.html.twig
@@ -5,14 +5,14 @@
 {%- endblock _text_id_widget %}
 
 {% block _names_entry_label -%}
-    {% if label is empty %}
+    {% if not label %}
         {%- set label = name|humanize -%}
     {% endif -%}
     <label>Custom label: {{ label|trans(label_translation_parameters, translation_domain) }}</label>
 {%- endblock _names_entry_label %}
 
 {% block _name_c_entry_label -%}
-    {% if label is empty %}
+    {% if not label %}
         {%- set label = name|humanize -%}
     {% endif -%}
     <label>Custom name label: {{ label|trans(label_translation_parameters, translation_domain) }}</label>
diff --git a/src/Symfony/Component/Translation/CHANGELOG.md b/src/Symfony/Component/Translation/CHANGELOG.md
index 365c5cf1cdc7..1670a537b09b 100644
--- a/src/Symfony/Component/Translation/CHANGELOG.md
+++ b/src/Symfony/Component/Translation/CHANGELOG.md
@@ -1,6 +1,11 @@
 CHANGELOG
 =========
 
+7.4
+---
+
+ * Deprecate `TranslatableMessage::__toString`
+
 7.3
 ---
 
diff --git a/src/Symfony/Component/Translation/Tests/TranslatableTest.php b/src/Symfony/Component/Translation/Tests/TranslatableTest.php
index ce08c8ae1a8b..2bfc02539c07 100644
--- a/src/Symfony/Component/Translation/Tests/TranslatableTest.php
+++ b/src/Symfony/Component/Translation/Tests/TranslatableTest.php
@@ -42,6 +42,9 @@ public function testFlattenedTrans($expected, $messages, $translatable)
         $this->assertSame($expected, $translatable->trans($translator, 'fr'));
     }
 
+    /**
+     * @group legacy
+     */
     public function testToString()
     {
         $this->assertSame('Symfony is great!', (string) new TranslatableMessage('Symfony is great!'));
diff --git a/src/Symfony/Component/Translation/TranslatableMessage.php b/src/Symfony/Component/Translation/TranslatableMessage.php
index 3c4986a67a7d..7463803793dc 100644
--- a/src/Symfony/Component/Translation/TranslatableMessage.php
+++ b/src/Symfony/Component/Translation/TranslatableMessage.php
@@ -26,8 +26,13 @@ public function __construct(
     ) {
     }
 
+    /**
+     * @deprecated since Symfony 7.4
+     */
     public function __toString(): string
     {
+        trigger_deprecation('symfony/translation', '7.4', 'Method "%s()" is deprecated.', __METHOD__);
+
         return $this->getMessage();
     }
 

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