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 ]]] -->
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-[![core 99.66%](https://img.shields.io/badge/core-99.66%25-0.svg)](https://translations.python.org/#pl)
-[![Total Translation of Documentation](https://img.shields.io/badge/total_words-6.76%25-0.svg)](https://translations.python.org/#pl)
-[![Total Translation of Documentation](https://img.shields.io/badge/total_strings-13.61%25-0.svg)](https://translations.python.org/#pl)
+[![core 99.35%](https://img.shields.io/badge/core-99.35%25-0.svg)](https://translations.python.org/#pl)
+[![Total Translation of Documentation](https://img.shields.io/badge/total_words-6.74%25-0.svg)](https://translations.python.org/#pl)
+[![Total Translation of Documentation](https://img.shields.io/badge/total_strings-13.59%25-0.svg)](https://translations.python.org/#pl)
 [![lint errors count](https://shields.io/badge/dynamic/xml?url=https%3A%2F%2Ftranslations.python.org%2Fbuild-details.html&query=%2F%2Ftr%5Btd%5B%40data-label%3D%27language%27%20and%20contains%28.%2C%20%27%28pl%29%27%29%5D%5D%20%20%20%2F%2Ftd%5B%40data-label%3D%27lint%27%5D%2Fa%2Ftext()&label=lint%20errors)](https://github.com/python/python-docs-pl/actions/workflows/lint.yml)
 
 <!-- [[[end]]] -->
 
@@ -16,9 +16,9 @@ f'''[![build](https://github.com/python/python-docs-pl/actions/workflows/update-
 ''')
 ]]] -->
 [![build](https://github.com/python/python-docs-pl/actions/workflows/update-and-build.yml/badge.svg)](https://github.com/python/python-docs-pl/actions/workflows/update-and-build.yml)
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-[![postęp tłumaczenia całości dokumentacji](https://img.shields.io/badge/całość_słów-6.76%25-0.svg)](https://translations.python.org/#pl)
-[![postęp tłumaczenia całości dokumentacji](https://img.shields.io/badge/całość_napisów-13.61%25-0.svg)](https://translations.python.org/#pl)
+[![podstawowe artykuły 99.35%](https://img.shields.io/badge/podstawowe_artykuły-99.35%25-0.svg)](https://translations.python.org/#pl)
+[![postęp tłumaczenia całości dokumentacji](https://img.shields.io/badge/całość_słów-6.74%25-0.svg)](https://translations.python.org/#pl)
+[![postęp tłumaczenia całości dokumentacji](https://img.shields.io/badge/całość_napisów-13.59%25-0.svg)](https://translations.python.org/#pl)
 [![liczba błędów lintowania](https://shields.io/badge/dynamic/xml?url=https%3A%2F%2Ftranslations.python.org%2Fbuild-details.html&query=%2F%2Ftr%5Btd%5B%40data-label%3D%27language%27%20and%20contains%28.%2C%20%27%28pl%29%27%29%5D%5D%20%20%20%2F%2Ftd%5B%40data-label%3D%27lint%27%5D%2Fa%2Ftext()&label=b%C5%82%C4%99dy%20lintowania)](https://github.com/python/python-docs-pl/actions/workflows/lint.yml)
 
 <!-- [[[end]]] -->
 
@@ -13,7 +13,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: Python 3.15\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2026-09-13 17:08+0000\n"
+"POT-Creation-Date: 2026-09-15 17:49+0000\n"
 "PO-Revision-Date: 2026-09-13 17:09+0000\n"
 "Last-Translator: Maciej Olko, 2026\n"
 "Language-Team: Polish (https://app.transifex.com/python-doc/teams/5390/pl/)\n"
@@ -25,8 +25,8 @@ msgstr ""
 "(n%100<12 || n%100>14) ? 1 : n!=1 && (n%10>=0 && n%10<=1) || (n%10>=5 && "
 "n%10<=9) || (n%100>=12 && n%100<=14) ? 2 : 3);\n"
 
-msgid "Built-in Functions"
-msgstr "Wbudowane funkcje"
+msgid "Built-in functions"
+msgstr ""
 
 msgid ""
 "The Python interpreter has a number of functions and types built into it "
@@ -35,6 +35,9 @@ msgstr ""
 "Interpreter Pythona ma wbudowane wiele funkcji i typów, które zawsze są "
 "dostępne. Spisane są tutaj w kolejności alfabetycznej."
 
+msgid "Built-in Functions"
+msgstr "Wbudowane funkcje"
+
 msgid "**A**"
 msgstr "**A**"
 
@@ -2284,22 +2287,11 @@ msgid ""
 "already exists), ``'x'`` for exclusive creation, and ``'a'`` for appending "
 "(which on *some* Unix systems, means that *all* writes append to the end of "
 "the file regardless of the current seek position).  In text mode, if "
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-"`locale.getencoding` is called to get the current locale encoding. (For "
-"reading and writing raw bytes use binary mode and leave *encoding* "
-"unspecified.)  The available modes are:"
-msgstr ""
-"*mode* to opcjonalny napis , który określa tryb, w którym plik jest "
-"otwierany.  Domyślnie jest to ``'r'``, co oznacza otwarcie do odczytu w "
-"trybie tekstowym. Inne popularne wartości to ``'w'`` dla zapisu (obcinanie "
-"pliku, jeśli już istnieje), ``'x'`` dla wyłącznego tworzenia i ``'a'`` dla "
-"dołączania (co w *niektórych* systemach Unix oznacza, że *wszystkie* zapisy "
-"są dołączane do końca pliku niezależnie od bieżącej pozycji wyszukiwania).  "
-"W trybie tekstowym, jeśli nie podano *encoding*, używane kodowanie jest "
-"zależne od platformy: :func:`locale.getencoding` jest wywoływane w celu "
-"uzyskania bieżącego kodowania locale. (Do odczytu i zapisu nieprzetworzonych "
-"bajtów należy użyć trybu binarnego i pozostawić *encoding* nieokreślone).  "
-"Dostępne tryby to:"
+"*encoding* is not specified, UTF-8 is used by default; if :ref:`Python UTF-8 "
+"Mode <utf8-mode>` is disabled, :func:`locale.getencoding` is called to get "
+"the current locale encoding. (For reading and writing raw bytes use binary "
+"mode and leave *encoding* unspecified.)  The available modes are:"
+msgstr ""
 
 msgid "Character"
 msgstr "Znak"
@@ -2365,16 +2357,9 @@ msgid ""
 "argument) return contents as :class:`bytes` objects without any decoding.  "
 "In text mode (the default, or when ``'t'`` is included in the *mode* "
 "argument), the contents of the file are returned as :class:`str`, the bytes "
-"having been first decoded using a platform-dependent encoding or using the "
-"specified *encoding* if given."
+"having been first decoded using the default encoding or using the specified "
+"*encoding* if given."
 msgstr ""
-"Jak wspomniano w :ref:`io-overview`, Python rozróżnia binarne i tekstowe I/"
-"O.  Pliki otwierane w trybie binarnym (w tym ``'b'`` w *mode* argument) "
-"zwracają zawartość jako obiekty :class:`bytes` bez żadnego dekodowania.  W "
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-"najpierw zdekodowane przy użyciu kodowania zależnego od platformy lub przy "
-"użyciu określonego *kodowania*, jeśli zostało podane."
 
 msgid ""
 "Python doesn't depend on the underlying operating system's notion of text "
@@ -2430,16 +2415,13 @@ msgstr ""
 
 msgid ""
 "*encoding* is the name of the encoding used to decode or encode the file. "
-"This should only be used in text mode.  The default encoding is platform "
-"dependent (whatever :func:`locale.getencoding` returns), but any :term:`text "
-"encoding` supported by Python can be used. See the :mod:`codecs` module for "
-"the list of supported encodings."
+"This should only be used in text mode.  The default encoding is UTF-8; if :"
+"ref:`Python UTF-8 Mode <utf8-mode>` is disabled, the default is platform-"
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+"encoding` supported by Python can be used, and ``encoding=\"locale\"`` "
+"specifies the current locale encoding explicitly. See the :mod:`codecs` "
+"module for the list of supported encodings."
 msgstr ""
-"*encoding* to nazwa kodowania używanego do dekodowania lub kodowania pliku. "
-"Powinno być używane tylko w trybie tekstowym.  Kodowanie domyślne jest "
-"zależne od platformy (cokolwiek :func:`locale.getencoding` zwraca ), ale "
-"można użyć dowolnego :term:`kodowanie tekstu` obsługiwanego przez Python. "
-"Lista obsługiwanych kodowań znajduje się na stronie :mod:`codecs` modułu ."
 
 msgid ""
 "*errors* is an optional string that specifies how encoding and decoding "
@@ -2644,6 +2626,11 @@ msgstr ""
 msgid "The ``'U'`` mode has been removed."
 msgstr "Tryb ``'U'`` został usunięty."
 
+msgid ""
+"UTF-8 is now the default encoding, instead of the platform-dependent locale "
+"encoding (:pep:`686`)."
+msgstr ""
+
 msgid "Return the ordinal value of a character."
 msgstr "Zwraca wartość porządkową znaku."
 
 
@@ -12,7 +12,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: Python 3.15\n"
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 "PO-Revision-Date: 2025-09-16 00:00+0000\n"
 "Last-Translator: Stan Ulbrych, 2026\n"
 "Language-Team: Polish (https://app.transifex.com/python-doc/teams/5390/pl/)\n"
@@ -31,6 +31,13 @@ msgid ""
 "This subtype of :c:type:`PyObject` represents a Python bytearray object."
 msgstr ""
 
+msgid ""
+"The internal buffer of :c:type:`PyByteArrayObject` always includes an extra "
+"trailing null byte for compatibility with null terminated C strings.  This "
+"extra byte is not counted in :c:func:`PyByteArray_Size` nor in the *len* "
+"arguments of the functions below."
+msgstr ""
+
 msgid ""
 "This instance of :c:type:`PyTypeObject` represents the Python bytearray "
 "type; it is the same object as :class:`bytearray` in the Python layer."
 
@@ -11,7 +11,7 @@ msgid ""
 msgstr ""
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-"POT-Creation-Date: 2026-09-01 17:31+0000\n"
+"POT-Creation-Date: 2026-09-15 17:49+0000\n"
 "PO-Revision-Date: 2025-09-16 00:00+0000\n"
 "Last-Translator: python-doc bot, 2025\n"
 "Language-Team: Polish (https://app.transifex.com/python-doc/teams/5390/pl/)\n"
@@ -31,6 +31,13 @@ msgid ""
 "called with a non-bytes parameter."
 msgstr ""
 
+msgid ""
+"The internal buffer of :c:type:`PyBytesObject` always includes an extra "
+"trailing null byte for compatibility with null terminated C strings. This "
+"extra byte is not counted in :c:func:`PyBytes_Size` nor in the various "
+"*length* and *size* arguments of the functions below."
+msgstr ""
+
 msgid "This subtype of :c:type:`PyObject` represents a Python bytes object."
 msgstr ""
 
 
@@ -12,7 +12,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: Python 3.15\n"
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-"POT-Creation-Date: 2026-08-25 14:37+0000\n"
+"POT-Creation-Date: 2026-09-13 17:08+0000\n"
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 "Last-Translator: Maciej Olko, 2026\n"
 "Language-Team: Polish (https://app.transifex.com/python-doc/teams/5390/pl/)\n"
 
@@ -11,7 +11,7 @@ msgid ""
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 "Last-Translator: python-doc bot, 2025\n"
 "Language-Team: Polish (https://app.transifex.com/python-doc/teams/5390/pl/)\n"
 
@@ -13,7 +13,7 @@ msgid ""
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+"POT-Creation-Date: 2026-09-13 17:08+0000\n"
 "PO-Revision-Date: 2025-09-16 00:00+0000\n"
 "Last-Translator: Maciej Olko, 2026\n"
 "Language-Team: Polish (https://app.transifex.com/python-doc/teams/5390/pl/)\n"
 
@@ -11,7 +11,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: Python 3.15\n"
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-"POT-Creation-Date: 2026-08-25 14:37+0000\n"
+"POT-Creation-Date: 2026-09-13 17:08+0000\n"
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 "Last-Translator: python-doc bot, 2025\n"
 "Language-Team: Polish (https://app.transifex.com/python-doc/teams/5390/pl/)\n"
 
@@ -11,7 +11,7 @@ msgid ""
 msgstr ""
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 "Last-Translator: python-doc bot, 2025\n"
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@@ -1920,6 +1920,11 @@ msgid ""
 "``errors='strict'`` is supported."
 msgstr ""
 
+msgid ""
+"This codec builds on ``punycode``, whose algorithms scale poorly, so limit "
+"the length of untrusted input."
+msgstr ""
+
 msgid "mbcs"
 msgstr "mbcs"
 
@@ -2212,6 +2217,11 @@ msgid ""
 "encoding and :mod:`stringprep`."
 msgstr ""
 
+msgid ""
+"This module builds on ``punycode``, whose algorithms scale poorly, so limit "
+"the length of untrusted input."
+msgstr ""
+
 msgid ""
 "If you need the IDNA 2008 standard from :rfc:`5891` and :rfc:`5895`, use the "
 "third-party :pypi:`idna` module."