diff --git a/.ruff.toml b/.ruff.toml
index a000ff52cfe..580da1206b2 100644
--- a/.ruff.toml
+++ b/.ruff.toml
@@ -135,7 +135,7 @@ select = [
     # refurb ('FURB')
 #    "FURB101",  # `open` and `read` should be replaced by `Path({filename}).{suggestion}`
 #    "FURB105",  # Unnecessary empty string passed to `print`
-#    "FURB113",  # Use `{suggestion}` instead of repeatedly calling `{name}.append()`
+    "FURB113",  # Use `{suggestion}` instead of repeatedly calling `{name}.append()`
     "FURB118",  # Use `operator.{operator}` instead of defining a function
     "FURB131",  # Prefer `clear` over deleting a full slice
     "FURB132",  # Use `{suggestion}` instead of check and `remove`
@@ -477,6 +477,8 @@ select = [
 "doc/development/tutorials/examples/*" = ["INP001"]
 # allow print() in the tutorial
 "doc/development/tutorials/examples/recipe.py" = ["T201"]
+"sphinx/domains/**" = ["FURB113"]
+"tests/test_domains/test_domain_cpp.py" = ["FURB113"]
 
 # from .flake8
 "sphinx/*" = ["E241"]
diff --git a/doc/development/tutorials/examples/todo.py b/doc/development/tutorials/examples/todo.py
index 15368f440f3..82edd12fa6e 100644
--- a/doc/development/tutorials/examples/todo.py
+++ b/doc/development/tutorials/examples/todo.py
@@ -107,8 +107,10 @@ def process_todo_nodes(app, doctree, fromdocname):
             para += nodes.Text('.)')
 
             # Insert into the todolist
-            content.append(todo_info['todo'])
-            content.append(para)
+            content.extend((
+                todo_info['todo'],
+                para,
+            ))
 
         node.replace_self(content)
 
diff --git a/sphinx/builders/latex/__init__.py b/sphinx/builders/latex/__init__.py
index 4f51bb37452..ef18e3444ef 100644
--- a/sphinx/builders/latex/__init__.py
+++ b/sphinx/builders/latex/__init__.py
@@ -375,9 +375,11 @@ def assemble_doctree(
             newnodes: list[Node] = [nodes.emphasis(sectname, sectname)]
             for subdir, title in self.titles:
                 if docname.startswith(subdir):
-                    newnodes.append(nodes.Text(_(' (in ')))
-                    newnodes.append(nodes.emphasis(title, title))
-                    newnodes.append(nodes.Text(')'))
+                    newnodes.extend((
+                        nodes.Text(_(' (in ')),
+                        nodes.emphasis(title, title),
+                        nodes.Text(')'),
+                    ))
                     break
             else:
                 pass
diff --git a/sphinx/builders/texinfo.py b/sphinx/builders/texinfo.py
index 69d412de0aa..683dcf8e513 100644
--- a/sphinx/builders/texinfo.py
+++ b/sphinx/builders/texinfo.py
@@ -166,9 +166,11 @@ def assemble_doctree(
             newnodes: list[Node] = [nodes.emphasis(sectname, sectname)]
             for subdir, title in self.titles:
                 if docname.startswith(subdir):
-                    newnodes.append(nodes.Text(_(' (in ')))
-                    newnodes.append(nodes.emphasis(title, title))
-                    newnodes.append(nodes.Text(')'))
+                    newnodes.extend((
+                        nodes.Text(_(' (in ')),
+                        nodes.emphasis(title, title),
+                        nodes.Text(')'),
+                    ))
                     break
             else:
                 pass
diff --git a/sphinx/ext/inheritance_diagram.py b/sphinx/ext/inheritance_diagram.py
index 64c7d4655bd..664c4d4444a 100644
--- a/sphinx/ext/inheritance_diagram.py
+++ b/sphinx/ext/inheritance_diagram.py
@@ -307,9 +307,10 @@ def generate_dot(self, name: str, urls: dict[str, str] | None = None,
             n_attrs.update(env.config.inheritance_node_attrs)
             e_attrs.update(env.config.inheritance_edge_attrs)
 
-        res: list[str] = []
-        res.append('digraph %s {\n' % name)
-        res.append(self._format_graph_attrs(g_attrs))
+        res: list[str] = [
+            f'digraph {name} {{\n',
+            self._format_graph_attrs(g_attrs),
+        ]
 
         for name, fullname, bases, tooltip in sorted(self.class_info):
             # Write the node
diff --git a/sphinx/roles.py b/sphinx/roles.py
index 658c41021f3..9618f48a51a 100644
--- a/sphinx/roles.py
+++ b/sphinx/roles.py
@@ -295,8 +295,7 @@ def parse(self, text: str) -> list[Node]:
                     stack[-1] += "{"
                 else:
                     # start emphasis
-                    stack.append('{')
-                    stack.append('')
+                    stack.extend(('{', ''))
             elif part == '}':
                 if len(stack) == 3 and stack[1] == "{" and len(stack[2]) > 0:
                     # emphasized word found
diff --git a/sphinx/search/ja.py b/sphinx/search/ja.py
index f838c1d206b..18aa12f998d 100644
--- a/sphinx/search/ja.py
+++ b/sphinx/search/ja.py
@@ -418,17 +418,8 @@ def split(self, input: str) -> list[str]:
             return []
 
         result = []
-        seg = ['B3', 'B2', 'B1']
-        ctype = ['O', 'O', 'O']
-        for t in input:
-            seg.append(t)
-            ctype.append(self.ctype_(t))
-        seg.append('E1')
-        seg.append('E2')
-        seg.append('E3')
-        ctype.append('O')
-        ctype.append('O')
-        ctype.append('O')
+        seg = ['B3', 'B2', 'B1', *input, 'E1', 'E2', 'E3']
+        ctype = ['O', 'O', 'O', *map(self.ctype_, input), 'O', 'O', 'O']
         word = seg[3]
         p1 = 'U'
         p2 = 'U'
diff --git a/sphinx/util/cfamily.py b/sphinx/util/cfamily.py
index 8feb82bccb3..ae035dbf224 100644
--- a/sphinx/util/cfamily.py
+++ b/sphinx/util/cfamily.py
@@ -277,14 +277,11 @@ def _make_multi_error(self, errors: list[Any], header: str) -> DefinitionError:
         for e in errors:
             if len(e[1]) > 0:
                 indent = '  '
-                result.append(e[1])
-                result.append(':\n')
+                result.extend((e[1], ':\n'))
                 for line in str(e[0]).split('\n'):
                     if len(line) == 0:
                         continue
-                    result.append(indent)
-                    result.append(line)
-                    result.append('\n')
+                    result.extend((indent, line, '\n'))
             else:
                 result.append(str(e[0]))
         return DefinitionError(''.join(result))