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gh-155193: Fix the *canonical* decoder lists in the 3.15 What's New and NEWS #156302

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gh-155193: Fix the *canonical* decoder lists in the 3.15 What's New and NEWS #156302

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gh-155193: Remove urlsafe_b64decode from the *canonical* entry in Wha…
advitrocks9 Aug 23, 2026
c5bf8b9
gh-155193: Drop base16 from the gh-146311 NEWS entry
advitrocks9 Aug 23, 2026
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2 changes: 1 addition & 1 deletion Doc/whatsnew/3.15.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -1009,7 +1009,7 @@ base64

* Added the *canonical* parameter in
:func:`~base64.b32decode`, :func:`~base64.b32hexdecode`,
:func:`~base64.b64decode`, :func:`~base64.urlsafe_b64decode`,
:func:`~base64.b64decode`,
:func:`~base64.a85decode`, :func:`~base64.b85decode`, and
:func:`~base64.z85decode`,
to reject encodings with non-zero padding bits or other non-canonical
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8 changes: 4 additions & 4 deletions Misc/NEWS.d/3.15.0b1.rst
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Expand Up @@ -1081,10 +1081,10 @@ Deprecate :meth:`http.cookies.Morsel.js_output` and
.. nonce: iHWO0v
.. section: Library

Add a *canonical* keyword-only parameter to the base16, base32, base64,
base85, ascii85, and Z85 decoders in :mod:`base64` and :mod:`binascii`. When
true, encodings with non-zero padding bits (base16/32/64) or non-canonical
encodings (base85/ascii85) are rejected. Single-character final groups in
Add a *canonical* keyword-only parameter to the base32, base64, base85,
ascii85, and Z85 decoders in :mod:`base64` and :mod:`binascii`. When true,
encodings with non-zero padding bits (base32/64) or non-canonical encodings
(base85/ascii85) are rejected. Single-character final groups in
:func:`binascii.a2b_ascii85` and :func:`binascii.a2b_base85` are now always
rejected as encoding violations, regardless of *canonical*; previously they
were silently ignored and produced no output bytes.
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