@@ -14,7 +14,7 @@ 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: Rafael Fontenelle <rffontenelle@gmail.com>, 2026\n"
 "Language-Team: Russian (https://app.transifex.com/python-doc/teams/5390/"
@@ -27,14 +27,17 @@ msgstr ""
 "n%10<=4 && (n%100<12 || n%100>14) ? 1 : n%10==0 || (n%10>=5 && n%10<=9) || "
 "(n%100>=11 && n%100<=14)? 2 : 3);\n"
 
-msgid "Built-in Functions"
+msgid "Built-in functions"
 msgstr ""
 
 msgid ""
 "The Python interpreter has a number of functions and types built into it "
 "that are always available.  They are listed here in alphabetical order."
 msgstr ""
 
+msgid "Built-in Functions"
+msgstr ""
+
 msgid "**A**"
 msgstr ""
 
@@ -1602,10 +1605,10 @@ 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 "
-"*encoding* is not specified the encoding used is platform-dependent: :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:"
+"*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"
@@ -1668,8 +1671,8 @@ 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 ""
 
 msgid ""
@@ -1705,10 +1708,12 @@ 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-"
+"dependent (whatever :func:`locale.getencoding` returns). Any :term:`text "
+"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 ""
 
 msgid ""
@@ -1845,6 +1850,11 @@ msgstr ""
 msgid "The ``'U'`` mode has been removed."
 msgstr ""
 
+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 ""
 
 
@@ -11,7 +11,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: Python 3.15\n"
 "Report-Msgid-Bugs-To: \n"
-"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: Russian (https://app.transifex.com/python-doc/teams/5390/"
@@ -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 ""
 "Project-Id-Version: Python 3.15\n"
 "Report-Msgid-Bugs-To: \n"
-"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, 2026\n"
 "Language-Team: Russian (https://app.transifex.com/python-doc/teams/5390/"
@@ -32,6 +32,13 @@ 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 ""
 
 
@@ -11,7 +11,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: Python 3.15\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2026-08-25 14:37+0000\n"
+"POT-Creation-Date: 2026-09-13 17:08+0000\n"
 "PO-Revision-Date: 2025-09-16 00:00+0000\n"
 "Last-Translator: python-doc bot, 2025\n"
 "Language-Team: Russian (https://app.transifex.com/python-doc/teams/5390/"
 
@@ -12,7 +12,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: Python 3.15\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2026-08-25 14:37+0000\n"
+"POT-Creation-Date: 2026-09-13 17:08+0000\n"
 "PO-Revision-Date: 2025-09-16 00:00+0000\n"
 "Last-Translator: Vladimir, 2025\n"
 "Language-Team: Russian (https://app.transifex.com/python-doc/teams/5390/"
 
@@ -11,7 +11,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: Python 3.15\n"
 "Report-Msgid-Bugs-To: \n"
-"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: Russian (https://app.transifex.com/python-doc/teams/5390/"
@@ -1919,6 +1919,11 @@ 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 ""
 
@@ -2211,6 +2216,11 @@ 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."
 
@@ -4,17 +4,17 @@
 # FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
 #
 # Translators:
-# python-doc bot, 2025
 # Dmitry Luschan, 2025
+# python-doc bot, 2026
 #
 #, fuzzy
 msgid ""
 msgstr ""
 "Project-Id-Version: Python 3.15\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2026-08-27 23:26+0000\n"
+"POT-Creation-Date: 2026-09-15 17:49+0000\n"
 "PO-Revision-Date: 2025-09-16 00:01+0000\n"
-"Last-Translator: Dmitry Luschan, 2025\n"
+"Last-Translator: python-doc bot, 2026\n"
 "Language-Team: Russian (https://app.transifex.com/python-doc/teams/5390/"
 "ru/)\n"
 "MIME-Version: 1.0\n"
@@ -25,7 +25,7 @@ msgstr ""
 "n%10<=4 && (n%100<12 || n%100>14) ? 1 : n%10==0 || (n%10>=5 && n%10<=9) || "
 "(n%100>=11 && n%100<=14)? 2 : 3);\n"
 
-msgid ":mod:`!csv` --- CSV File Reading and Writing"
+msgid ":mod:`!csv` --- CSV file reading and writing"
 msgstr ""
 
 msgid "**Source code:** :source:`Lib/csv.py`"
@@ -65,7 +65,7 @@ msgstr ""
 msgid "The Python Enhancement Proposal which proposed this addition to Python."
 msgstr ""
 
-msgid "Module Contents"
+msgid "Module contents"
 msgstr ""
 
 msgid "The :mod:`!csv` module defines the following functions:"
@@ -452,7 +452,7 @@ msgstr ""
 msgid "Raised by any of the functions when an error is detected."
 msgstr ""
 
-msgid "Dialects and Formatting Parameters"
+msgid "Dialects and formatting parameters"
 msgstr ""
 
 msgid ""
@@ -555,7 +555,7 @@ msgid ""
 "``False``."
 msgstr ""
 
-msgid "Reader Objects"
+msgid "Reader objects"
 msgstr ""
 
 msgid ""
@@ -589,7 +589,7 @@ msgid ""
 "initialized upon first access or when the first record is read from the file."
 msgstr ""
 
-msgid "Writer Objects"
+msgid "Writer objects"
 msgstr ""
 
 msgid ""
@@ -675,22 +675,21 @@ msgstr ""
 
 msgid ""
 "Since :func:`open` is used to open a CSV file for reading, the file will by "
-"default be decoded into unicode using the system default encoding (see :func:"
-"`locale.getencoding`).  To decode a file using a different encoding, use the "
-"``encoding`` argument of open::"
+"default be decoded into Unicode using UTF-8.  To decode a file using a "
+"different encoding, use the ``encoding`` argument of open::"
 msgstr ""
 
 msgid ""
 "import csv\n"
-"with open('some.csv', newline='', encoding='utf-8') as f:\n"
+"with open('some.csv', newline='', encoding='latin-1') as f:\n"
 "    reader = csv.reader(f)\n"
 "    for row in reader:\n"
 "        print(row)"
 msgstr ""
 
 msgid ""
-"The same applies to writing in something other than the system default "
-"encoding: specify the encoding argument when opening the output file."
+"The same applies to writing in something other than the default encoding: "
+"specify the encoding argument when opening the output file."
 msgstr ""
 
 msgid "Registering a new dialect::"
 
@@ -11,7 +11,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: Python 3.15\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2026-08-25 14:37+0000\n"
+"POT-Creation-Date: 2026-09-13 17:08+0000\n"
 "PO-Revision-Date: 2025-09-16 00:01+0000\n"
 "Last-Translator: python-doc bot, 2026\n"
 "Language-Team: Russian (https://app.transifex.com/python-doc/teams/5390/"