diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 18016efc2c..8b3427d1db 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -92,3 +92,9 @@ jobs:
       - name: Construir documentación
         run: |
           sphinx-build -j auto -W --keep-going -b html -d cpython/Doc/_build/doctree -D language=es . cpython/Doc/_build/html
+
+      # Publica la documentación recién construida para poder descargarla de ser necesario
+      - uses: actions/upload-artifact@v4
+        with:
+          path: cpython/Doc/_build/html
+          name: documentación-html
diff --git a/.overrides/progress.rst b/.overrides/progress.rst
index 7fead69417..1a6e7284cf 100644
--- a/.overrides/progress.rst
+++ b/.overrides/progress.rst
@@ -20,7 +20,7 @@ Muestra los porcentajes completados por directorio y solo los archivos que no es
 
 .. runblock:: console
 
-    $ potodo --path .
+    $ potodo .
 
 
 Completados
diff --git a/conf.py b/conf.py
index a267d02a07..59aacc661f 100644
--- a/conf.py
+++ b/conf.py
@@ -90,6 +90,14 @@
 ]
 
 
+# autorun is used, among other things, to run potodo, which generates non-ascii output
+# starting with 0.30. autorun OTOH defaults to use ascii to decode console/python output.
+# Let's switch to utf-8 instead.
+autorun_languages = {
+    "console_output_encoding": "utf-8",
+    "pycon_output_encoding": "utf-8",
+}
+
 def setup(app):
 
     def add_contributing_banner(app, doctree):
diff --git a/dictionaries/library_io.txt b/dictionaries/library_io.txt
index 0a93b4a395..9da6128ac4 100644
--- a/dictionaries/library_io.txt
+++ b/dictionaries/library_io.txt
@@ -8,3 +8,4 @@ Reconfigura
 similarmente
 subclasifica
 subclasificaciones
+Markdown
diff --git a/dictionaries/whatsnew_2.7.txt b/dictionaries/whatsnew_2.7.txt
index dab9202ed2..87a2cf05a6 100644
--- a/dictionaries/whatsnew_2.7.txt
+++ b/dictionaries/whatsnew_2.7.txt
@@ -103,3 +103,4 @@ values
 viewkeys
 warnings
 whatever
+Light
diff --git a/reference/compound_stmts.po b/reference/compound_stmts.po
index 483661f484..5a06c0ed61 100644
--- a/reference/compound_stmts.po
+++ b/reference/compound_stmts.po
@@ -336,7 +336,7 @@ msgstr ""
 "Para una cláusula de :keyword:`!except`con una expresión, la expresión debe "
 "evaluar a un tipo de excepción o un tupla de tipos de excepciones. La "
 "excepción generada coincide con una cláusula :keyword:`!except` cuya "
-"expresión evaluá a la clase o una :term:`clase base no virtual <abstract "
+"expresión evalúa a la clase o una :term:`clase base no virtual <abstract "
 "base class>` del objeto excepción, o una tupla que contiene dicha clase."
 
 #: ../Doc/reference/compound_stmts.rst:255
diff --git a/requirements-own.txt b/requirements-own.txt
index 5f2e1c075a..cac697fa5b 100644
--- a/requirements-own.txt
+++ b/requirements-own.txt
@@ -2,7 +2,7 @@
 pip
 polib
 pospell>=1.1
-potodo
+potodo>=0.30
 powrap>=1.0.2
 pre-commit
 Pygments>=2.17.0
diff --git a/scripts/check_spell.py b/scripts/check_spell.py
index d915d23849..da8738366e 100644
--- a/scripts/check_spell.py
+++ b/scripts/check_spell.py
@@ -4,6 +4,7 @@
 """
 
 from pathlib import Path
+import shutil
 import sys
 import tempfile
 
@@ -43,7 +44,7 @@ def check_spell(po_files=None):
 
     # Run pospell either against all files or the file given on the command line
     if not po_files:
-        po_files = Path(".").glob("*/*.po")
+        po_files = list(Path(".").glob("*/*.po"))
 
     # Workaround issue #3324 FIXME
     # It seems that all code snippets have line breaks '\n'. This causes the
@@ -52,10 +53,9 @@ def check_spell(po_files=None):
     # Create temporary copies of the original files.
     po_files_tmp = []
     for po_file in po_files:
-        with open(tempfile.mktemp(), "w") as temp_file:
-            # Copy content of the .po file
-            with open(po_file, "r", encoding="utf-8") as f:
-                temp_file.write(f.read())
+        with open(tempfile.mktemp(), "wb") as temp_file:
+            with open(po_file, "rb") as original_file:
+                shutil.copyfileobj(original_file, temp_file)
                 po_files_tmp.append(temp_file.name)
 
         # Don't translate probably code entries
@@ -66,8 +66,9 @@ def check_spell(po_files=None):
         polib_temp_file.save()
 
     detected_errors = pospell.spell_check(po_files_tmp, personal_dict=output_filename, language="es_ES")
-    for tmp, orig in zip(po_files_tmp, po_files):
-        print(tmp, " == ", orig)
+    if detected_errors:
+        for tmp, orig in zip(po_files_tmp, po_files):
+            print(tmp, " == ", orig)
     return detected_errors