diff --git a/rules/Symfony73/Rector/Class_/GetFiltersToAsTwigFilterAttributeRector.php b/rules/Symfony73/Rector/Class_/GetFiltersToAsTwigFilterAttributeRector.php
new file mode 100644
index 00000000..dab334d1
--- /dev/null
+++ b/rules/Symfony73/Rector/Class_/GetFiltersToAsTwigFilterAttributeRector.php
@@ -0,0 +1,85 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Rector\Symfony\Symfony73\Rector\Class_;
+
+use PhpParser\Node;
+use PhpParser\Node\Stmt\Class_;
+use Rector\Configuration\Deprecation\Contract\DeprecatedInterface;
+use Rector\Exception\ShouldNotHappenException;
+use Rector\Rector\AbstractRector;
+use Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample;
+use Symplify\RuleDocGenerator\ValueObject\RuleDefinition;
+
+/**
+ * @deprecated Handling getFilters() alone leaves the sibling getFunctions()/getTests() methods behind and can produce
+ *             a half-converted extension. Use the GetFiltersAndFunctionsToAsTwigAttributeRector rule instead, that
+ *             converts all the get methods at once.
+ */
+final class GetFiltersToAsTwigFilterAttributeRector extends AbstractRector implements DeprecatedInterface
+{
+    public function getRuleDefinition(): RuleDefinition
+    {
+        return new RuleDefinition(
+            'Changes getFilters() in TwigExtension to #[AsTwigFilter] marker attribute above local class method',
+            [
+                new CodeSample(
+                    <<<'CODE_SAMPLE'
+use Twig\Extension\AbstractExtension;
+use Twig\Environment;
+
+class SomeClass extends AbstractExtension
+{
+    public function getFilters()
+    {
+        return [
+            new \Twig\TwigFilter('filter_name', [$this, 'localMethod', 'needs_environment' => true]),
+        ];
+    }
+
+    public function localMethod(Environment $env, $value)
+    {
+        return $value;
+    }
+}
+CODE_SAMPLE
+                    ,
+                    <<<'CODE_SAMPLE'
+use Twig\Extension\AbstractExtension;
+use Twig\Attribute\AsTwigFilter;
+use Twig\Environment;
+
+class SomeClass extends AbstractExtension
+{
+    #[AsTwigFilter('filter_name', needsEnvironment: true)]
+    public function localMethod(Environment $env, $value)
+    {
+        return $value;
+    }
+}
+CODE_SAMPLE
+                )]
+        );
+    }
+
+    /**
+     * @return array<class-string<Node>>
+     */
+    public function getNodeTypes(): array
+    {
+        return [Class_::class];
+    }
+
+    /**
+     * @param Class_ $node
+     */
+    public function refactor(Node $node): ?Class_
+    {
+        throw new ShouldNotHappenException(sprintf(
+            '"%s" is deprecated, as it converts getFilters() only and leaves getFunctions()/getTests() behind. Use "%s" instead.',
+            self::class,
+            GetFiltersAndFunctionsToAsTwigAttributeRector::class
+        ));
+    }
+}
diff --git a/rules/Symfony73/Rector/Class_/GetFunctionsToAsTwigFunctionAttributeRector.php b/rules/Symfony73/Rector/Class_/GetFunctionsToAsTwigFunctionAttributeRector.php
new file mode 100644
index 00000000..5a751261
--- /dev/null
+++ b/rules/Symfony73/Rector/Class_/GetFunctionsToAsTwigFunctionAttributeRector.php
@@ -0,0 +1,85 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Rector\Symfony\Symfony73\Rector\Class_;
+
+use PhpParser\Node;
+use PhpParser\Node\Stmt\Class_;
+use Rector\Configuration\Deprecation\Contract\DeprecatedInterface;
+use Rector\Exception\ShouldNotHappenException;
+use Rector\Rector\AbstractRector;
+use Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample;
+use Symplify\RuleDocGenerator\ValueObject\RuleDefinition;
+
+/**
+ * @deprecated Handling getFunctions() alone leaves the sibling getFilters()/getTests() methods behind and can produce
+ *             a half-converted extension. Use the GetFiltersAndFunctionsToAsTwigAttributeRector rule instead, that
+ *             converts all the get methods at once.
+ */
+final class GetFunctionsToAsTwigFunctionAttributeRector extends AbstractRector implements DeprecatedInterface
+{
+    public function getRuleDefinition(): RuleDefinition
+    {
+        return new RuleDefinition(
+            'Changes getFunctions() in TwigExtension to #[AsTwigFunction] marker attribute above local class method',
+            [
+                new CodeSample(
+                    <<<'CODE_SAMPLE'
+use Twig\Extension\AbstractExtension;
+use Twig\Environment;
+
+class SomeClass extends AbstractExtension
+{
+    public function getFunctions()
+    {
+        return [
+            new \Twig\TwigFunction('function_name', [$this, 'localMethod', 'needs_environment' => true]),
+        ];
+    }
+
+    public function localMethod(Environment $env, $value)
+    {
+        return $value;
+    }
+}
+CODE_SAMPLE
+                    ,
+                    <<<'CODE_SAMPLE'
+use Twig\Extension\AbstractExtension;
+use Twig\Attribute\AsTwigFunction;
+use Twig\Environment;
+
+class SomeClass extends AbstractExtension
+{
+    #[AsTwigFunction(name: 'function_name', needsEnvironment: true)]
+    public function localMethod(Environment $env, $value)
+    {
+        return $value;
+    }
+}
+CODE_SAMPLE
+                )]
+        );
+    }
+
+    /**
+     * @return array<class-string<Node>>
+     */
+    public function getNodeTypes(): array
+    {
+        return [Class_::class];
+    }
+
+    /**
+     * @param Class_ $node
+     */
+    public function refactor(Node $node): ?Class_
+    {
+        throw new ShouldNotHappenException(sprintf(
+            '"%s" is deprecated, as it converts getFunctions() only and leaves getFilters()/getTests() behind. Use "%s" instead.',
+            self::class,
+            GetFiltersAndFunctionsToAsTwigAttributeRector::class
+        ));
+    }
+}